Sometimes called a Side Extension, this is one of the regular kitchen extensions found in London and southwest London. The design involves a 1.25m extension to the side of the property, which is the space between the rear rooms and the boundary wall/fence. These can have a flat roof or a pitched roof. The pitched roof must pitch down to 2.1m on the boundary wall as per regulation. Side Returns mostly feature on Victorian terraced properties, which commonly have a side alleyway in their layout.
Bespoke Design & Planning
Over 12 Years of Experience
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Insurance Backed Warranty
Price Match for
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Bespoke Design & Planning
Over 12 Years of Experience
Free Consultation & Itemised Quotes
Full Cost Transparency & Project Management
Insurance Backed Warranty
Price Match for
Like-For-Likes Quotes
The kitchen is the new living room
An elegant kitchen is a mark of the 21st Century living. It is where the family congregates for meals, chats, and downtimes. From your morning cup of tea to late-night snacks, your kitchen serves your needs all through the day. We consider the kitchen the hub of daily modern life and epicenter of your lifestyle statement. To truly benefit from this living space, you need sufficient room. Kitchen extensions Richmond does just that when your southwest London home constricts your freedom in the kitchen. Our designs ensure a seamless blend into the rest of the house while affording plenty of natural light and warm aesthetics.
Don't move. Extend in style
We can save you the hassle that comes with moving not to mention the heavy stamp duty! Adding an extra loft bedroom or enlarging the living kitchen dining space on ground floor is an economical way of transforming your home to suit growing needs. The projects can range from £40-100K depending on your requirements and can be completed within 8-16 weeks.
Build a Quote
Small Rear Flat Roof
This conversion builds a terrace kitchen extension with a flat roof. They are ideal for terraced or semi-detached homes. Flat roofs are more cost-effective. These usually extend the ground floor space of the outrigger.
Price: Starting from £45K
Large Rear Pitched Roof
This rear extension has a sloping roof for better aesthetics. Skylights bring in more natural light, and bi-fold doors open onto the garden. The larger floor space offers more living space options.
Price: Starting from £60K
Large Rear Flat Roof
It is a rear extension with a flat roof, which is economical in design. Using skylights will bring plenty of natural light to the new addition. Bi-fold doors seamlessly connect the addition to the garden.
Price: Starting from £60K
Large Rear Single Pitched Roof
Double the visual impact with the roof design for your rear extension. It is both modern and suitable for period architecture. Entertain your guests in an open-plan kitchen or a perfect orangery with oversized skylights.
Price: Starting from £70K
Large Rear Double Pitched Roof
This extension offers a more polished roof design, which blends seamlessly with existing period architecture. With extensive glazing, you can create a quiet sunlit sitting room for your kitchen well-connected to the outdoors.
Price: Starting from £70K
Small Side Infill Flat Roof
Harmonise your Victorian floor plan with this easy extension. This infill can extend your kitchen or even become a utility room. Perfect for smaller properties, a flat roof ensures less build work.
Price: Starting from £50K
Medium Side Infill Flat Roof
Utilise the awkward space of the side return of your Victorian home to add extra space to the rear of the property. A flat roof with skylights offers natural light and even head height.
Price: Starting from £60K
Large Side Infill Flat Roof
It offers plenty more space for a larger kitchen, a bathroom, a home office, or a garden room. Increase your Victorian home's square footage by unifying the old configuration for a practical, livable space.
Price: Starting from £75K
Small Side Infill Pitched Roof
Incorporate a sloping roof into your infill to complement your home's period architecture. Skylights offer natural light and extend your kitchen without using any main garden space. Ideal for small side returns.
Price: Starting from £50K
Medium Side Infill Pitched Roof
Extend your kitchen in style or create a small dining area. It offers a versatile space by seamlessly integrating redundant space at the back of your Victorian home. A pitched roof enhances the aesthetics.
Price: Starting from £60K
Large Side Infill Pitched Roof
Transform your kitchen area with an open-plan layout. Harness more natural light with skylights and create a bigger kitchen, dining area, bathroom, utility room, home office, home gym, or lounge area.
Price: Starting from £75K
Rear & Small Side Infill Pitched Roof
Fill in the side return and build a small rear extension at the same time. Add double the space and save money. A pitched infill roof and flat rear roof prevents a boxed-in design.
Price: Starting from £60K
Rear & Medium Side Infill Pitched Roof
Add more square footage to your period home by extending to the side and the rear. Our pitched infill roof enhances visual appeal, and the flat rear roof is practical and modern.
Price: Starting from £70K
Rear & Large Side Infill Pitched Roof
A larger Victorian property can boost its value with a more usable floor area. Make use of the underutilised side return for infill and create a rear addition in one project.
Price: Starting from £80K
Small Wrap-around Single Pitched Roof
Join your infill and rear extensions for a wrap-around. The single-pitched roof makes the addition visually appealing. Skylights create a light-filled large space perfect for open-plan living.
Price: Starting from £65K
Medium Wrap-around Single Pitched Roof
This extension offers two living spaces or one large kitchen area with plenty of room for modern entertaining. The single-pitched roof design saves money while maximising style with natural light from skylights.
Price: Starting from £75K
Large Wrap-around Single Pitched Roof
Discover optimal floor space for your ground floor with a roof design that is not too tricky but big on style. Create multiple rooms or living areas that blur into the garden with oversized glazed doors.
Price: Starting from £95K
Small Wrap-around Double Pitched Roof
Tiny space? No worries. The double-pitched roof design makes up for the small size with a space-maximising look. Go bold on elegance and create a stunning extension that creates uniform space at your home’s rear.
Price: Starting from £65K
Large Wrap-around Double Pitched Roof
Sunlit rooms or one big living area for all your loved ones to gather. Explore all the possibilities with this extension. Reconfigure your floor plan or extend your kitchen for the ultimate open-plan experience.
Price: Starting from £80K
Medium Wrap-around Double Pitched Roof
A polished look for your period home extension will only increase its value. The double-pitched roof wrap-around can blend in or stand out as you wish. Plenty of room for entertaining or family entertainment.
Price: Starting from £95K
Small Wrap-around Flat Roof
Functional spaces with a practical design. Give your wrap-around a minimalist profile. Join a side infill with a rear extension to create a unified space. Incorporate more glazing for space-enhancing ambience.
Price: Starting from £50K
Medium Wrap-around Flat Roof
Cost-effective design with cleaner lines for contemporary spaces. An infill and a rear extension join to form a wrap-around. Extend your kitchen and add a stylish dining room well-connected to the outdoors.
Price: Starting from £70K
Large Wrap-around Flat Roof
This addition combines a side return with a rear extension. The flat roof is economical to build, and the skylights bring in plenty of natural light. Maximise your extension capacity for spaces that set you free.
Price: Starting from £90K
Small Rear Flat Roof
This conversion builds a terrace kitchen extension with a flat roof. They are ideal for terraced or semi-detached homes. Flat roofs are more cost-effective. These usually extend the ground floor space of the outrigger.
Price: Starting from £45K
Large Rear Pitched Roof
This rear extension has a sloping roof for better aesthetics. Skylights bring in more natural light, and bi-fold doors open onto the garden. The larger floor space offers more living space options.
Price: Starting from £60K
Large Rear Flat Roof
It is a rear extension with a flat roof, which is economical in design. Using skylights will bring plenty of natural light to the new addition. Bi-fold doors seamlessly connect the addition to the garden.
Price: Starting from £60K
Large Rear Single Pitched Roof
Double the visual impact with the roof design for your rear extension. It is both modern and suitable for period architecture. Entertain your guests in an open-plan kitchen or a perfect orangery with oversized skylights.
Price: Starting from £70K
Large Rear Double Pitched Roof
This extension offers a more polished roof design, which blends seamlessly with existing period architecture. With extensive glazing, you can create a quiet sunlit sitting room for your kitchen well-connected to the outdoors.
Price: Starting from £70K
Small Side Infill Flat Roof
Harmonise your Victorian floor plan with this easy extension. This infill can extend your kitchen or even become a utility room. Perfect for smaller properties, a flat roof ensures less build work.
Price: Starting from £50K
Medium Side Infill Flat Roof
Utilise the awkward space of the side return of your Victorian home to add extra space to the rear of the property. A flat roof with skylights offers natural light and even head height.
Price: Starting from £60K
Large Side Infill Flat Roof
It offers plenty more space for a larger kitchen, a bathroom, a home office, or a garden room. Increase your Victorian home's square footage by unifying the old configuration for a practical, livable space.
Price: Starting from £75K
Small Side Infill Pitched Roof
Incorporate a sloping roof into your infill to complement your home's period architecture. Skylights offer natural light and extend your kitchen without using any main garden space. Ideal for small side returns.
Price: Starting from £50K
Medium Side Infill Pitched Roof
Extend your kitchen in style or create a small dining area. It offers a versatile space by seamlessly integrating redundant space at the back of your Victorian home. A pitched roof enhances the aesthetics.
Price: Starting from £60K
Large Side Infill Pitched Roof
Transform your kitchen area with an open-plan layout. Harness more natural light with skylights and create a bigger kitchen, dining area, bathroom, utility room, home office, home gym, or lounge area.
Price: Starting from £75K
Rear & Small Side Infill Pitched Roof
Fill in the side return and build a small rear extension at the same time. Add double the space and save money. A pitched infill roof and flat rear roof prevents a boxed-in design.
Price: Starting from £60K
Rear & Medium Side Infill Pitched Roof
Add more square footage to your period home by extending to the side and the rear. Our pitched infill roof enhances visual appeal, and the flat rear roof is practical and modern.
Price: Starting from £70K
Rear & Large Side Infill Pitched Roof
A larger Victorian property can boost its value with a more usable floor area. Make use of the underutilised side return for infill and create a rear addition in one project.
Price: Starting from £80K
Small Wrap-around Single Pitched Roof
Join your infill and rear extensions for a wrap-around. The single-pitched roof makes the addition visually appealing. Skylights create a light-filled large space perfect for open-plan living.
Price: Starting from £65K
Medium Wrap-around Single Pitched Roof
This extension offers two living spaces or one large kitchen area with plenty of room for modern entertaining. The single-pitched roof design saves money while maximising style with natural light from skylights.
Price: Starting from £75K
Large Wrap-around Single Pitched Roof
Discover optimal floor space for your ground floor with a roof design that is not too tricky but big on style. Create multiple rooms or living areas that blur into the garden with oversized glazed doors.
Price: Starting from £95K
Small Wrap-around Double Pitched Roof
Tiny space? No worries. The double-pitched roof design makes up for the small size with a space-maximising look. Go bold on elegance and create a stunning extension that creates uniform space at your home’s rear.
Price: Starting from £65K
Large Wrap-around Double Pitched Roof
Sunlit rooms or one big living area for all your loved ones to gather. Explore all the possibilities with this extension. Reconfigure your floor plan or extend your kitchen for the ultimate open-plan experience.
Price: Starting from £80K
Medium Wrap-around Double Pitched Roof
A polished look for your period home extension will only increase its value. The double-pitched roof wrap-around can blend in or stand out as you wish. Plenty of room for entertaining or family entertainment.
Price: Starting from £95K
Small Wrap-around Flat Roof
Functional spaces with a practical design. Give your wrap-around a minimalist profile. Join a side infill with a rear extension to create a unified space. Incorporate more glazing for space-enhancing ambience.
Price: Starting from £50K
Medium Wrap-around Flat Roof
Cost-effective design with cleaner lines for contemporary spaces. An infill and a rear extension join to form a wrap-around. Extend your kitchen and add a stylish dining room well-connected to the outdoors.
Price: Starting from £70K
Large Wrap-around Flat Roof
This addition combines a side return with a rear extension. The flat roof is economical to build, and the skylights bring in plenty of natural light. Maximise your extension capacity for spaces that set you free.
Price: Starting from £90K
Side Return Extension
Rear Extension
As the name suggests, only the rear of the property is extended for a room approximately measuring 5m x 3m. The extension can have a mono-pitch roof, a centre pitch roof, or a flat roof.
Wrap around or L-shaped
The design creates an extension that wraps around the side and the rear of the property to create an L shape. It provides a large kitchen living area that opens on to the garden. The structure will have a flat or pitched roof. This type needs your neighbour’s permission to build, or your neighbour must have an existing structure that exceeds 2.1m in height.
Just as much as a loft conversion, a house extension falls under permitted development rights and does not need planning permission. However, these limitations and conditions apply:
- You do not live in a protected area or a conservation area
- Only half the land area around the house gets utilised for extension
- Extensions do not rise higher than the highest part of the existing roof
Our designs are bespoke and represent your individual needs across the board. We offer full project management from beginning to end. Our costs are transparent and available for you to review from the start. We always work within the budget set aside and procure the best materials and services your money can buy. Our builders and architects make sure the interior and exterior bring out the best in your home.
A Side Return Extension costs £35,000 and upwards
A Rear Extension can cost around £40,000.
The Wrap Around Extension will cost you £55,000
A Double Storey Extension is the most expensive, costing £65, 000, upwards
Get a free consultation and a free itemised quote from Good Design & Build to ace the extension strategy best suited for your home.
How we deliver projects
Our process is simple and divided into two distinct phases with separate contracts: Design and Build. As a client you only commit to one phase at a time depending on what stage of the process you are in. Each phase consists of three stages as described below.
1. Design
This is the kick-off point for your project. We carry out a complete architectural measured survey of the property. This allows us to create accurate CAD design drawings. This is followed by a design meeting to start discussing your ideas in more detail.
2. Planning
At this stage we finalise the designs with you and start preparing planning applications as needed. We place a high priority on ensuring that plans, designs and schedules are all based on a thorough and detailed understanding of planning guidelines. We co-ordinate with local authorities until the decision is made, and the planning approval is secured.
3. Technical
Once the planning consent is secured, we translate the design drawings into more detailed technical drawings for the purposes of building control and construction. This also includes specifications and structural calculations. At this stage, we will also submit to you our ‘no obligation’ quote for the build phase.
4. Pre-build
90% of our clients decide to stick with us after the design phase is completed. Once the build contract is signed, we kick off the process by making sure all the pre-build processes are complete. These include assistance with party wall agreements, Thames Water build over agreement, submitting building control application, and preparing method statements etc as needed. This stage ends with a pre-start meeting with your foreman before the actual build begins.
5. Build
One of our foremen will be dedicated to your project and will be on-site to manage everyday works. Our project managers will be overseeing the works to make sure they are completed to high standards, within your budget and on time. Throughout the process we will keep you updated with the progress and coordinate the works with third parties such as kitchen or flooring suppliers. We will also advise and guide you to choose any suppliers if needed.
6. Handover
As the build draws to finish, we will help to iron out any ‘snags’ to make sure everything is completed to your satisfaction. We will put together all necessary certificates such as gas, electricity and building control completion along with warranties for glazing, boiler etc. At the final completion meeting, we will hand you these documents, together with the keys to your house. Needless to say, you can contact us any time after this, if you want us to look at something.
This is the kick-off point for your project. We carry out a complete architectural measured survey of the property. This allows us to create accurate CAD design drawings. This is followed by a design meeting to start discussing your ideas in more detail.
At this stage we finalise the designs with you and start preparing planning applications as needed. We place a high priority on ensuring that plans, designs and schedules are all based on a thorough and detailed understanding of planning guidelines. We co-ordinate with local authorities until the decision is made, and the planning approval is secured.
Once the planning consent is secured, we translate the design drawings into more detailed technical drawings for the purposes of building control and construction. This also includes specifications and structural calculations. At this stage, we will also submit to you our ‘no obligation’ quote for the build phase.
90% of our clients decide to stick with us after the design phase is completed. Once the build contract is signed, we kick off the process by making sure all the pre-build processes are complete. These include assistance with party wall agreements, Thames Water build over agreement, submitting building control application, and preparing method statements etc as needed. This stage ends with a pre-start meeting with your foreman before the actual build begins.
One of our foremen will be dedicated to your project and will be on-site to manage everyday works. Our project managers will be overseeing the works to make sure they are completed to high standards, within your budget and on time. Throughout the process we will keep you updated with the progress and coordinate the works with third parties such as kitchen or flooring suppliers. We will also advise and guide you to choose any suppliers if needed.
As the build draws to finish, we will help to iron out any ‘snags’ to make sure everything is completed to your satisfaction. We will put together all necessary certificates such as gas, electricity and building control completion along with warranties for glazing, boiler etc. At the final completion meeting, we will hand you these documents, together with the keys to your house. Needless to say, you can contact us any time after this, if you want us to look at something.
What Our Clients Say
Thank you to Amol and his entire team
“Thank you to Amol and his entire team for delivering us a fantastic extension to our newly purchased home. The guys were friendly and very professional during all stages”
Lisa
Twickenham TW2
Thank you Good Design & Build…
“Originally, we’d planned on this being a property to rent out to others. Since the loft conversion, we’ve fallen back in love with the place – and have now decided to move back here.”
George Banks
Richmond TW10
I would like to thank GDB…
“I would like to thank GDB for all of their hard work, ideas and inspiration and for being so approachable and easy to deal with during the our rear extension. I would happily recommend them to anyone thinking of starting a building project”
Debra
Mortlake SW14
My wife and I would like to say a huge thank you
“My wife and I would like to say a huge thank you to all the team at Good Design & Build. From the planning stage all the way through to completion they were meticulous with their design and helping us achieve our vision of our dream family home. We were supported all the way through, even when we wanted to make significant structural changes during the build. We are over the moon with the results achieved and quality of the building work and finishing is excellent. THANK YOU GOOD DESIGN & BUILD!!”
Xerxes Dalal
Potters Bar EN6
Good Design provided the architectural services
“Good Design provided the architectural services as well as building work. It was great to have both bundled into one. They were very flexible and great to work with - nothing was too much trouble. I would highly recommend them.”
Louise Murray
Twickenham TW1
We thoroughly enjoyed working with Amol
“We thoroughly enjoyed working with Amol and the Good Design & Build team on our recent house extension. We've been so happy with how the team helped design, plan and deliver the extension. Always very patient and informative of how the process will run, the team did a fantastic job and we're delighted with the results. The biggest compliment I can give them is that I'd happily work with Amol and the team again :).”
Benjamin Hammond
Twickenham TW11
Featured Projects
Harlesden
Sellons Ave NW10 4HJ
The project included creating a master bedroom in the loft with an adjoining terrace.
Learn more
Fulham
Orbain Road SW6 7JZ
This project was completed in 2023 and the approximate budget was £101,000.
Learn more
Lambeth
Hetherington Road SW4
We completed this stunning project for our client Angus in Lambeth.
Learn more
Teddington
Station Road SW4 7PA
We completed this exciting project for our clients on Station Road, a quaint residential area in the heart of Teddington.
Learn more
Leyton
Windsor Road E10
We completed this kitchen extension on Windsor Road, a charming residential street nestled in the heart of Leyton.
Learn more
Harlesden
Sellons Ave NW10 4HJ
The project included creating a master bedroom in the loft with an adjoining terrace.
Learn more
Fulham
Orbain Road SW6 7JZ
This project was completed in 2023 and the approximate budget was £101,000.
Learn more
Lambeth
Hetherington Road SW4
We completed this stunning project for our client Angus in Lambeth.
Learn more
Teddington
Station Road SW4 7PA
We completed this exciting project for our clients on Station Road, a quaint residential area in the heart of Teddington.
Learn more
Leyton
Windsor Road E10
We completed this kitchen extension on Windsor Road, a charming residential street nestled in the heart of Leyton.
Learn more
Build a Quote!
Let's get started with building your own bespoke quote for your dream extension. Tell us as much in detail as possible to get most accurate price.
Get StartedBuild a Quote!
Let's get started with building your own bespoke quote for your dream extension. Tell us as much in detail as possible to get most accurate price.
Get Started