# Home Extensions in London, Greater London > Find trusted, vetted home extensions specialists in London, Greater London. Free matching, honest local cost guide, no obligation — with Renomate. Source: https://renomate.co.uk/home-extensions-in-london --- London, Greater London # Home Extensions in London Need a home extension in London? Renomate introduces you to vetted specialists who cover your area so you can get quotes and get started with confidence. ### What can we help you with? Free · no obligation · about 30 seconds Popular options ## Home Extensions styles & ideas in London Explore common options — then we’ll match you with a London specialist to bring it to life. ### Single-Storey Rear Extension Extends the back of the house for open-plan living. ### Side Return Extension Fills the narrow gap at the side to widen your space. ### Wraparound Extension Combines side and rear for a large L-shaped living area. ### Garage Conversion + Extension Reclaim and expand under-used space. ## How much does a home extension cost in London? Budgets for a home extension in London generally land between £25,500–£89,500. London is the most expensive part of the UK for building work, well above the national average — Greater London labour and materials are a real factor. The biggest cost drivers are single vs double storey and floor area, foundations and structural work, and planning, glazing and finish quality. Getting two or three quotes is the best way to see a fair local price, which is exactly what our free matching service arranges. Figures are a 2025 guide only — your matched installer will give you an accurate, no-obligation quote. ## How long does it take? Once started, expect around 3–6 months for a London home extension. - **Check planning permission.** Most larger projects need planning and building-regs approval — check early. - **Match your materials.** Choose brick and finishes that harmonise with your existing home. - **Plan for the long term.** Design for how you’ll use the space in five and ten years, not just now. How it works ## Our Working Process Our hassle-free process takes you from enquiry to the perfect installer for your home extensions in London. ### Fill in Our Form Tell us what kind of project you’re planning, and your contact details. ### Introductory Call We’ll give you a quick call to learn more about what you need and with what budget. ### We Match You Up We match you with an approved installer who fits your project requirements. Local guide ## Home Extensions in London: the 2025 guide ### Why a home extension makes sense in London With london is the most expensive part of the uk for building work, well above the national average, a well-planned home extension in London can offer strong value for money. A well-built extension typically adds both significant living space and long-term property value. ### Planning your home extension in London In Greater London, tight sites, party-wall agreements with neighbours and borough-specific planning rules make an experienced local specialist especially valuable. Factor that in early, budget a sensible contingency, and get everything in writing before work starts. ### Local know-how for London Homes in and around London include Victorian and Georgian terraces, flat conversions and new-build apartments on tight urban plots. Those property types influence the best way to plan a home extension — party-wall agreements, borough-specific planning and widespread conservation areas all apply. A local specialist who knows London will factor all of this into your quote and design. ### Choosing the right London professional Choosing the right person is the hardest part. Rather than sifting through directories and reviews, Renomate does the legwork — we match you with a vetted London specialist for your home extension, check their credentials, and introduce you personally. ### Other renovations in London Vetted network ## Trusted London home extensions specialists We don’t just find you an installer — we find the right one. Every professional we introduce is vetted for experience, qualifications, insurance and a proven track record. ### Local Extension Specialist Professional · Qualified · Insured ### Local Project Manager Professional · Qualified · Insured ### Local Planning Expert Professional · Qualified · Insured London questions ## Home Extensions in London — FAQs The details on cost, timing and how our free matching works in London. ### How much does a home extension cost in London? ### How long does a home extension take in London? ### Do I need planning permission for a home extension in London? ### Is Renomate’s home extensions matching service free in London? ### How do you choose home extensions professionals in London? ### Start your London project Free, friendly, no obligation. - 100% Free Service - No Hidden Fees - Friendly, Expert Support - Installers Pay Us, Not You Nearby ## Home Extensions across London Ready when you are ## Ready for your home extensions in London? From fresh ideas to trusted installers, we’re here to get your home renovation project moving—quick, simple, and stress-free.