Design · Build · Deliver

We Build
London's
Bold Ideas.

Bonars Construction is your go-to expert for new builds, extensions and general refurbishments — turning ambitious ideas into beautifully finished homes across the capital.

Have a Project in Mind → View Our Work
Est. London
Bonars Construction high-end London renovation project featuring contemporary architecture and finished interiors
10M+ Invested in
Client Projects
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50+
Completed Projects
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100%
Client Satisfaction
/ 03
£10M+
Investments in Projects
/ 04
15+
Years Building London
What We Do

Full-Service Construction.

From minor refurbishments to multi-million pound developments — you name it, we do it. Our broad range of services means we can be the driving force throughout your project, from loft conversions to basements and beyond.

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New Builds

Ground-up construction of bold, contemporary homes — engineered for the way London lives today.

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Home Extensions

Side, rear and wrap-around extensions that add space, light and lasting value to your property.

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Loft Conversions

Unlock the potential above your head — from dormers to mansards, designed and built to spec.

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Full Refurbishment

Strip back, rebuild and reimagine. Complete home renovations delivered on budget and on time.

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Basement Excavation

Maximise your footprint below ground with structural expertise and meticulous waterproofing.

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High-End Fit-Out

Bespoke joinery, premium finishes and exacting detail — the Bonars signature on every room.

Our Story

Creating the future of London homes.

Construction can be complicated — but we are not. Bonars Construction's vision is to be a bold, growing business chosen by clients for its service-led ideas and unwavering craft.

We are an established construction company with a team of experienced professionals who ensure your home makeover looks incredible and is delivered on budget and on time.

"Exciting construction ideas are our thing. That's why we can be confident we will meet even the most demanding clients' requirements."
— The Bonars Philosophy
Est. London
Interior fit-out completed by Bonars Construction showing meticulous finishing and craftsmanship
On Budget · On Time
How We Work

From concept to completion.

01

Consultation

We sit down, listen carefully and shape the brief around how you actually live — no jargon, no pressure.

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02

Design & Quote

Our team translates your ideas into clear drawings and a transparent, itemised budget — fixed before we begin.

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03

Build

Experienced tradespeople, rigorous site management and weekly progress updates throughout the construction phase.

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04

Handover

Snagged, polished and signed off. We hand back a home that exceeds the brief — backed by our guarantees.

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Selected Work

Recent projects.

Discuss Yours →
Full house refurbishment project by Bonars Construction in North London
Full Refurbishment · NW London

Victorian Terrace Reimagined

 Loft conversion with skylights completed by Bonars Construction
Loft Conversion

Dormer Master Suite

 Rear glass extension built by Bonars Construction
Rear Extension

Glazed Garden Room

 Basement excavation project completed under a London property
Basement · High-End Fit-Out

Cinema Level Below Ground

 New build contemporary home constructed by Bonars Construction in London
New Build · Multi-Million Pound Development

Contemporary Family Home, Hampstead

Bonars took our tired three-bed and gave us a home we didn't know was possible. On budget, on time, and genuinely exciting to walk through.

Mr & Mrs Halverson Full House Renovation · Kentish Town
Get In Touch

Have a project in mind?

We're your go-to experts for new builds, extensions and general refurbishments. Call the studio or send the brief — we'll come back to you within one working day.

☎
Call the Studio
+44 7950 481462
⚲
Visit Us
Studio 302, Babel Studios
158b Kentish Town Rd, London NW5 2AG
Request a Quote
Call Now Get Quote