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Cramped living spaces and overflowing rooms make for an uncomfortable living arrangement, no matter how much you love your home. Fortunately, turning your beautiful home into the perfect space to accommodate your changing lifestyle and growing family is easy and entirely attainable through the design and creation of home extensions.

Home extensions create the extra space required within your home without the cost and inconvenience of moving houses. They are the perfect solution to add space, comfort, and value to your home while taking into account your specific needs and budget.

A house extension allows homeowners to increase the living space within their homes, which also has the wonderful benefit of increasing the value of their property.

Home extensions can be designed to suit the specific needs and modern lifestyles of homeowners and are therefore akin to enabling property owners to design and create a part of their own home.

However, to build the ultimate extension, it is crucial to select the best home extension specialists who can guide you through this process and provide you with everything you need to make this process smooth and hindrance-free.

Home extensions can be of varying types based on the part of the property on which they are built. As such, home extensions may be categorised as:

Rear extensions –

Built on the rea of a property, rear extensions are incredibly versatile in their design and use. Rear extensions are commonly utilised to create kitchen extensions, guest rooms or even office pods.

Side return extensions –

Side return extensions utilise the area that runs along the side of a property as well as a portion of the rear. This saves a lot of valuable garden space making side return extensions highly-prized by homeowners.

Side return extensions are ideal for creating beautiful indoor-outdoor connections that are a wonderful feature in modern dining rooms.

Wrap around extensions –

Wrap around extensions are essentially a combination of rear and side extensions forming an L-shaped structure. They add incredible depth and width to a property, and can be used to create multiple rooms or open floor plans.

Multi-storey extensions –

Though double storey extensions are invariably more complex to construct compared to single storey extensions, they are seen as a cost-effective solution to adding a large amount of living space within the property. This is because multi-storey extensions effectively double the square footage of the extension without doubling the associated roofing and excavation costs.

Multi-storey extensions can be used to create additional bedrooms, bathrooms, or playrooms.

Home extensions in Thamesmead require planning permission only if they do not fall under permitted developments.

Permitted developments include developments and extensions that meet specific criteria and dimensions. Some of these criteria include:

  • Side extensions must be single-storied and must not exceed more than half the width of the original house.
  • Extensions must not be higher than the highest part of the existing roof.
  • The materials used on the exterior of the extension must be similar in appearance to the materials used on the exterior of the original house.
  • Extensions must not take up more than half the land around the original house.

Extensions that do not comply with the specifications of permitted developments, as well as those built on properties listed in conservation areas, will require planning permission.

Approval for planning permission takes up to eight weeks and requires the submission of a detailed application which should include structural diagrams of the proposed extension. In addition, building regulations approval and party wall agreements must also be considered to ensure that every aspect of the extension build complies with building guidelines and standards.

Home extensions can be customised to create the perfect space for you and feature a wide range of innovative ideas and design elements. Some of the best home extension styles in Thamesmead feature:

Kitchen extensions –

Ideal for converting small, dark kitchen-diners into beautiful, warm, and inviting spaces that are perfect for hosting intimate dinners or large celebrations. The installation of the latest fittings helps to complete the modern kitchen that suits your family’s busy lifestyle.

Loft conversions –

Converting awkward and ill-used loft spaces into functional floor space is what makes loft conversions a much sought-after extension style. They are perfect for creating extra bedrooms, bathrooms, or office nooks, and can usually be constructed without requiring planning permission.

Refurbishments –

Even without an extensive extension, the existing space can be transformed through refurbishments. Changing the layout, creating an open floor plan, and installing windows or roof lights to optimise the natural light can all help to create beautiful, bright, and airy living spaces that add an extra bit of comfort and splendour to your home.

The cost of a home extension in Thamesmead can range from £30,000 to £135,000.

This is because the cost depends on a variety of factors such as:

  • The size of the extension
  • The design/ complexity of the extension
  • Location
  • Groundwork
  • Building materials
  • Fittings and fixtures
  • Specialists’ fees, etc.

As such, it is important for homeowners to have a clear idea of their specific needs and budget.

Good Design and Build offer free consultations and quotations for proposed extensions. This allows property owners to proceed with the build and create the ultimate extension while still staying within their planned budgets.

Designing and creating a home extension can add some much-needed space and value to your home. However, it is important to approach the extension process with the best extension specialists in order to get the most out of this investment.

This is where Good Design and Build come in.

We are the foremost extension builders in South East London with decades of experience, unmatched expertise, and infinite passion and professionalism.

Our team comprises of surveyors, architects, builders, technicians, and project managers. This allows us to provide complete project management of the extension process from start to finish. This includes:

  • Survey of the location
  • Design and plan of the proposed extension
  • Securing requisite planning permission and building regulations approval
  • Contractual work
  • Technical expertise
  • Daily on-site management of the build

The extensions created effortlessly combine beauty, comfort and functionality to add freshness to your home through innovative design and a modern perspective.

Good Design and Build construct flawless home extensions that come backed by warranties and which allow you to enjoy the newly created space worry-free.

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.

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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.

Featured Projects

Interior View - Sellons Ave Project

Harlesden

Sellons Ave NW10 4HJ

The project included creating a master bedroom in the loft with an adjoining terrace.

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Fulham

Orbain Road SW6 7JZ

This project was completed in 2023 and the approximate budget was £101,000.

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Kitchen Extension in East Sheen

Lambeth

Hetherington Road SW4

We completed this stunning project for our client Angus in Lambeth.

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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.

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Leyton

Windsor Road E10

We completed this kitchen extension on Windsor Road, a charming residential street nestled in the heart of Leyton.

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What Our Clients Say

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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.

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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 Started