Lambeth, Greater London

Home Extensions in Lambeth

For a home extension in the Lambeth area, Renomate does the hard part: finding a reliable, insured local expert then introduce you personally. One simple enquiry, one trusted match.

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What can we help you with?

Free · no obligation · about 30 seconds

Typical Lambeth cost£25,500–£89,500
Typical timeline3–6 months
Our fee to youFree

Popular options

Home Extensions styles & ideas in Lambeth

Explore common options — then we’ll match you with a Lambeth specialist to bring it to life.

Two-Storey Extension

Adds a room downstairs and a bedroom or bathroom above.

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Side Return Extension

Fills the narrow gap at the side to widen your space.

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Wraparound Extension

Combines side and rear for a large L-shaped living area.

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Over-Structure Extension

Builds a new room above an existing single-storey part.

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How much does a home extension cost in Lambeth?

A home extension in Lambeth usually falls in the £25,500–£89,500 range, though every project is different. 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. What you pay depends mainly on single vs double storey and floor area and foundations and structural work, plus 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?

In Lambeth, expect a typical home extension to take about 3–6 months once work begins.

  • 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 Lambeth.

1

Fill in Our Form

Tell us what kind of project you’re planning, and your contact details.

2

Introductory Call

We’ll give you a quick call to learn more about what you need and with what budget.

3

We Match You Up

We match you with an approved installer who fits your project requirements.

Local guide

Home Extensions in Lambeth: the 2025 guide

Why a home extension makes sense in Lambeth

For many Lambeth homeowners, a home extension is the practical alternative to moving. A well-built extension typically adds both significant living space and long-term property value.

Planning your home extension in Lambeth

Think through how you’ll use the space long term, agree a written scope and schedule, and check insurance and guarantees — the fundamentals that keep a Lambeth project on track.

Local know-how for Lambeth

Property in Lambeth tends to reflect Greater London: Victorian and Georgian terraces, flat conversions and new-build apartments on tight urban plots. The style of local homes matters for a home extension — party-wall agreements, borough-specific planning and widespread conservation areas all apply. A local specialist who knows Lambeth will factor all of this into your quote and design.

Choosing the right Lambeth professional

Instead of gambling on an online listing, let us introduce you to a Lambeth specialist we’ve already vetted for qualifications, insurance and real customer feedback.

Vetted network

Trusted Lambeth 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

Lambeth questions

Home Extensions in Lambeth — FAQs

The details on cost, timing and how our free matching works in Lambeth.

How much does a home extension cost in Lambeth?
A home extension in Lambeth usually falls in the £25,500–£89,500 range, though every project is different. 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. What you pay depends mainly on single vs double storey and floor area and foundations and structural work, plus 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.
How long does a home extension take in Lambeth?
In Lambeth, expect a typical home extension to take about 3–6 months once work begins. Your matched installer will give you a firm schedule once they’ve seen the project.
Do I need planning permission for a home extension in Lambeth?
It depends on the size and type of project and your property. Tight sites, party-wall agreements with neighbours and borough-specific planning rules make an experienced local specialist especially valuable. Your matched Lambeth specialist will tell you exactly what applies and can handle approvals for you.
Is Renomate’s home extensions matching service free in Lambeth?
Yes — it’s completely free for homeowners in Lambeth and across Greater London. We’re paid a small fee by the installer only once your project is confirmed, so we always work in your interest.
How do you choose home extensions professionals in Lambeth?
Every professional we introduce in Lambeth is vetted for experience, qualifications, insurance and customer feedback. We check the details so you deal only with trusted, proven local specialists.

Start your Lambeth project

Free, friendly, no obligation.

  • 100% Free Service
  • No Hidden Fees
  • Friendly, Expert Support
  • Installers Pay Us, Not You

Nearby

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Ready when you are

Ready for your home extensions in Lambeth?

From fresh ideas to trusted installers, we’re here to get your home renovation project moving—quick, simple, and stress-free.

Get my free quote 01952 928 231
Get a free quote