House Extension Services in London
Our house extension services in London help you expand your home with smart, stylish solutions — from rear kitchen extensions and side returns to wraparound and double-storey builds.
Whether you’re planning a growing family, building a home office, or increasing property value, we’ll design and deliver the perfect extension for your needs.
👉 Book a Consultation
or call 020-805-804-05
Our House Extension Services in London
We offer a complete solution for house extension services including:
House Extension Costs in London
Prices vary depending on the size, layout, materials, and structural complexity of the extension.
Here’s a typical price range:
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Rear extension: from £40,000
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Side return: from £45,000
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Wraparound: from £65,000
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Double-storey: from £75,000
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Kitchen extension: from £45,000
Who Chooses Our House Extension Services?
We work with:
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Homeowners – needing space for growing families
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Buyers – modernising their new property
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Investors – increasing rental yield
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Sellers – looking boost market value
Not ready for a full extension? Explore our Loft Conversion Services or Full Home Renovation Services instead.
What’s Included in Our Extension Packages
Every extension project includes:
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Feasibility survey & consultation
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Architectural drawings & planning submission
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Structural calculations & building control
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Groundwork, brickwork & steel installation
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Electrics, plumbing, plastering & finishes
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Bi-fold doors, windows & rooflights (if required)
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Dedicated project manager
In short, we handle everything — so you don’t have to coordinate multiple trades.
Design and planning
Our team of experienced designers will work with you to create a bespoke design that meets your requirements.
Building work
We can handle all aspects of the building work, including foundations, walls, roofs, and installation of plumbing and electrical systems.
Interior design
We can help you choose the right materials, colours, and finishes to create a beautiful, functional living space.
Project management
We will manage your project from start to finish, ensuring that it is completed on time and within budget.
Why Choose a House Extension in London?
In London, space is precious. That’s why house extensions are one of the best ways to:
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Add extra living space without leaving your neighbourhood
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Increase property value by up to 25%
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Avoid the hassle and cost of moving
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Create open-plan layouts for modern living
Moreover, many extensions fall under permitted development — so planning permission may not be needed. We’ll guide you through the entire process.
Types of House Extensions We Offer
We build all major types of extensions to suit your home, budget, and vision.
Rear Extensions
From £40,000+
Perfect for expanding your kitchen or living room into the garden.
These are among the most popular options in London terraces and semis.
Side Return Extensions
From £45,000+
We utilise the narrow alley next to your house to extend kitchen or dining areas — great for Victorian or Edwardian homes.
Wraparound Extensions
From £65,000+
Combines rear and side return to dramatically transform the ground floor into a light-filled open-plan space.
Double-Storey Extensions
From £75,000+
Add bedrooms or bathrooms upstairs as well as ground floor living space.
Ideal for long-term family upgrades.
Kitchen Extensions
From £45,000+
Modernise and enlarge your kitchen with bi-fold doors, skylights, and new layouts designed for entertaining.
📍 Areas We Cover in London
We build house extensions across Greater London:
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North London – Camden, Islington, Finchley
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East London – Hackney, Leyton, Stratford
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South London – Clapham, Dulwich, Wimbledon
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West London – Ealing, Acton, Shepherd’s Bush
Because we understand local planning rules and property styles, we help make the process faster and smoother.
👉 Book a Consultation
or call 020-805-804-05
FAQs – House Extensions in London
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Do I need planning permission for a house extension?
Not always. Many single-storey rear or side extensions fall under permitted development. We’ll check and handle all paperwork for you.
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How long does an extension take to build?
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Can you match my existing home’s style and materials?
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Can I live at home during the works?
Book Your Free House Extension Consultation
Let’s plan your perfect extension.
Book a free home visit and receive a fixed-price quote with a clear timeline — no pushy sales, just expert advice.
👉 Return to Renovation Services in London