Southwark, Greater London
Home Extensions in Southwark
Whether it’s a small update or a full home extension in Southwark and nearby Greater London, we match you with the right local specialist 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 Southwark
Explore common options — then we’ll match you with a Southwark specialist to bring it to life.
How much does a home extension cost in Southwark?
Homeowners in Southwark usually spend in the region of £25,500–£89,500 on a home extension. 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?
A home extension in Southwark usually takes 3–6 months, though planning and material lead times can affect the schedule.
- Check planning permission. Most larger projects need planning and building-regs approval — check early.
- Hire a structural engineer. Essential where load-bearing walls are removed, for safety and compliance.
- Set a clear budget. Allow a 10–15% contingency for unforeseen costs during the build.
How it works
Our Working Process
Our hassle-free process takes you from enquiry to the perfect installer for your home extensions in Southwark.
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 Southwark: the 2025 guide
Why a home extension makes sense in Southwark
With london is the most expensive part of the uk for building work, well above the national average, a well-planned home extension in Southwark 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 Southwark
Careful planning avoids the common pitfalls. Get a detailed quote, agree milestones, and don’t choose on price alone — the cheapest option often costs more in the long run. That’s why our vetting focuses on track record, not just rates.
Local know-how for Southwark
Homes in and around Southwark 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 Southwark will factor all of this into your quote and design.
Choosing the right Southwark professional
Our free service exists to make this simple. Tell us about your home extension in Southwark, and we’ll introduce you to a trusted local pro suited to your project and budget — because the installer pays us, not you.
Vetted network
Trusted Southwark 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
Southwark questions
Home Extensions in Southwark — FAQs
The details on cost, timing and how our free matching works in Southwark.
How much does a home extension cost in Southwark?
How long does a home extension take in Southwark?
Do I need planning permission for a home extension in Southwark?
Is Renomate’s home extensions matching service free in Southwark?
How do you choose home extensions professionals in Southwark?
Start your Southwark project
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- No Hidden Fees
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Ready for your home extensions in Southwark?
From fresh ideas to trusted installers, we’re here to get your home renovation project moving—quick, simple, and stress-free.