Islington, Greater London

Home Extensions in Islington

Getting a home extensions in Islington shouldn’t be a gamble — we match you with checked, local experts — completely free, with no obligation. Tell us about your project and we’ll do the rest.

Free home extensions quote

Matched with a trusted Islington 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 Islington

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

Single-Storey Rear Extension

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

Enquire

Two-Storey Extension

Adds a room downstairs and a bedroom or bathroom above.

Enquire

Side Return Extension

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

Enquire

Wraparound Extension

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

Enquire

Over-Structure Extension

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

Enquire

Garage Conversion + Extension

Reclaim and expand under-used space.

Enquire

How much does a home extension cost in Islington?

In Islington, 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?

In Islington, 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.
  • 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 Islington.

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 Islington: the 2025 guide

Why a home extension makes sense in Islington

Homes across Islington 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

Before you start, it pays to plan properly: set a realistic budget with a 10–15% contingency, confirm exactly what’s included in each quote, and check whether any permissions or building-regulations approvals apply. A good local specialist will guide you through all of this.

Choosing the right professional in Islington

Our free service exists to make this simple. Tell us about your home extension in Islington, and we’ll introduce you to a trusted local pro suited to your project and budget — completely free, because the installer pays us, not you.

Vetted network

Trusted Islington 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

Islington questions

Home Extensions in Islington — FAQs

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

How much does a home extension cost in Islington?
In Islington, 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 Islington?
In Islington, 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.
Is Renomate’s home extensions matching service free in Islington?
Yes — it’s completely free for homeowners in Islington 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 Islington?
Every professional we introduce in Islington is vetted for experience, qualifications, insurance and customer feedback. We check the details so you deal only with trusted, proven local specialists.

Start your Islington project

Free, friendly, no obligation.

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

Ready when you are

Ready for your home extensions in Islington?

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