Brentwood, Essex

Home Extensions in Brentwood

Renomate helps homeowners in Brentwood find reliable home extensions specialists then introduce you personally. One simple enquiry, one trusted match.

Get a Free Quote 01952 928 231

Free home extensions quote

Matched with a trusted Brentwood specialist.

No spam, no pressure. We’ll call to understand your project, then match you with a vetted local pro.

Typical cost£20,000–£70,000
Typical timeline3–6 months
Our fee to youFree

Popular options

Home Extensions styles & ideas in Brentwood

Explore common options — then we’ll match you with a Brentwood 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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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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Garage Conversion + Extension

Reclaim and expand under-used space.

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How much does a home extension cost in Brentwood?

In Brentwood, a home extension typically costs between £20,000–£70,000, depending on the project. The biggest factors 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?

Most home extensions projects in Brentwood take around 3–6 months, depending on scope and specification.

  • 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.
  • Match your materials. Choose brick and finishes that harmonise with your existing home.

How it works

Our Working Process

Our hassle-free process takes you from enquiry to the perfect installer for your home extensions in Brentwood.

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 Brentwood: the 2025 guide

Why a home extension makes sense in Brentwood

Homes across Brentwood range from period properties to newer builds, and a home extension is one of the smartest ways to make yours work harder for you. A well-built extension typically adds both significant living space and long-term property value.

Planning your home extension

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.

Choosing the right professional in Brentwood

Finding a trustworthy tradesperson in Brentwood takes time most people don’t have. We take it off your plate: describe your home extension, and we’ll connect you with a local, insured professional we’ve already checked.

Vetted network

Trusted Brentwood 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

Brentwood questions

Home Extensions in Brentwood — FAQs

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

How much does a home extension cost in Brentwood?
In Brentwood, a home extension typically costs between £20,000–£70,000, depending on the project. The biggest factors 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.
How long does a home extension take in Brentwood?
Most home extensions projects in Brentwood take around 3–6 months, depending on scope and specification. Your matched installer will give you a firm schedule once they’ve seen the project.
Is Renomate’s home extensions matching service free in Brentwood?
Yes — it’s completely free for homeowners in Brentwood and across Essex. 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 Brentwood?
Every professional we introduce in Brentwood is vetted for experience, qualifications, insurance and customer feedback. We check the details so you deal only with trusted, proven local specialists.

Start your Brentwood 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 Brentwood?

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