Richmond upon Thames, Greater London

Home Extensions in Richmond upon Thames

Getting a home extension in Richmond upon Thames and nearby Greater London shouldn’t be a gamble — we match you with checked, local experts and stay on hand to help throughout. Getting started takes under a minute.

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What can we help you with?

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Typical Richmond upon Thames cost£25,500–£89,500
Typical timeline3–6 months
Our fee to youFree

Popular options

Home Extensions styles & ideas in Richmond upon Thames

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

Single-Storey Rear Extension

Extends the back of the house for open-plan living.

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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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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 Richmond upon Thames?

As a 2025 guide, most homeowners in Richmond upon Thames pay somewhere between £25,500–£89,500 for 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. Price comes down to single vs double storey and floor area, foundations and structural work and planning, glazing and finish quality more than anything else. 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?

Typical Richmond upon Thames home extensions timescales run to about 3–6 months on site.

  • Check planning permission. Most larger projects need planning and building-regs approval — check early.
  • Plan for the long term. Design for how you’ll use the space in five and ten years, not just now.
  • 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 Richmond upon Thames.

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 Richmond upon Thames: the 2025 guide

Why a home extension makes sense in Richmond upon Thames

With london is the most expensive part of the uk for building work, well above the national average, a well-planned home extension in Richmond upon Thames 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 Richmond upon Thames

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 Richmond upon Thames

The housing across Greater London spans Victorian and Georgian terraces, flat conversions and new-build apartments on tight urban plots. That mix shapes how a home extension is approached here — party-wall agreements, borough-specific planning and widespread conservation areas all apply. A local specialist who knows Richmond upon Thames will factor all of this into your quote and design.

Choosing the right Richmond upon Thames professional

We’ve done the checking so you don’t have to — share your home extension plans and we’ll connect you with a proven local professional who’s right for the job.

Vetted network

Trusted Richmond upon Thames 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

Richmond upon Thames questions

Home Extensions in Richmond upon Thames — FAQs

The details on cost, timing and how our free matching works in Richmond upon Thames.

How much does a home extension cost in Richmond upon Thames?
As a 2025 guide, most homeowners in Richmond upon Thames pay somewhere between £25,500–£89,500 for 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. Price comes down to single vs double storey and floor area, foundations and structural work and planning, glazing and finish quality more than anything else. 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 Richmond upon Thames?
Typical Richmond upon Thames home extensions timescales run to about 3–6 months on site. 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 Richmond upon Thames?
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 Richmond upon Thames specialist will tell you exactly what applies and can handle approvals for you.
Is Renomate’s home extensions matching service free in Richmond upon Thames?
Yes — it’s completely free for homeowners in Richmond upon Thames 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 Richmond upon Thames?
Every professional we introduce in Richmond upon Thames is vetted for experience, qualifications, insurance and customer feedback. We check the details so you deal only with trusted, proven local specialists.

Start your Richmond upon Thames project

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  • Installers Pay Us, Not You

Nearby

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Ready for your home extensions in Richmond upon Thames?

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

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