Forge Build — London extensions, lofts, and refurbishments

We offer trade discounts

Design. Build. Transform.
Forge Build creates exceptional spaces

From high-end extensions and luxury lofts to complete refurbishments — we deliver craftsmanship, innovation, and precision in every project.

Book a Free Consultation Explore Our Services

Our Services

Comprehensive solutions tailored to your architectural vision

Book a Free Site Visit Today

Get expert advice from our team on design, planning, and construction. We’ll visit your property, discuss your goals, and provide a detailed fixed-price quote — all completely free of charge.

Book My Free Site Visit

Why Choose Forge Build

The benchmark for quality and craftsmanship in London

Transparent Pricing

No hidden costs with our fixed-price contracts

On-Time Delivery

95% of projects completed on or before deadline

10-Year Warranty

Industry-leading guarantee on all our work

Accredited Team

CHAS, FMB and SafeContractor approved

Featured Projects

View our portfolio of completed design & build projects

Kensington & Chelsea kitchen extension by Forge Build
KENSINGTON & CHELSEA

Kitchen Extension

Rear glass roof, crittall-style doors and bespoke cabinetry.

View details
Islington loft conversion master suite by Forge Build
ISLINGTON

Loft Conversion

Mansard roof with ensuite; maximised daylight and smart storage.

View details
Westminster luxury bathroom remodel by Forge Build
WESTMINSTER

Bathroom Remodel

Marble surfaces, walk-in shower, WRAS-compliant upgrades.

View details

Our Process

A structured approach ensuring quality at every stage

1

Initial Consultation

On-site meeting to discuss your vision and requirements

2

Design & Planning

Architectural drawings and planning applications

3

Construction

Managed build process with weekly updates

4

Completion

Final walkthrough and 10-year warranty

Client Testimonials

What our clients say about working with Forge Build

Google reviews for Forge Build 4.9/5 • 300+ reviews
CHAS accredited Federation of Master Builders SafeContractor TrustMark
“Forge Build transformed our Victorian terrace with a stunning rear extension. Their attention to detail and project management was exceptional.”

Sarah & James W.

Notting Hill, London

“The loft conversion has given us two beautiful bedrooms and completely changed how we use our home. The team was professional and clean.”

Michael T.

Camden, London

“From design to completion, Forge Build delivered exactly what we wanted. The fixed-price contract gave us peace of mind throughout.”

Emma & David R.

Hampstead, London

Areas We Cover

Forge Build proudly serves homeowners and developers across London and the South East, delivering extensions, conversions, and full refurbishments to the highest standards.

Camden Islington Kensington & Chelsea Hampstead Notting Hill Hammersmith & Fulham Barnet Westminster Ealing Wandsworth Haringey Hackney

Don't see your area listed? We may still be able to help!

Call us to check: 020 3355 6146

FAQs

Do you handle planning permission?

Yes. We manage drawings, planning and building control from start to finish.

Are your quotes fixed-price?

Yes. After survey and scope sign-off, we issue a fixed-price contract.

What warranty do you provide?

A 10-year structural warranty and manufacturer warranties on materials.

Start Your Project Today

Request a free consultation with our design team to discuss your requirements.

Call Us

+44 (0)20 3355 6146

Email Us

info@forgebuild.co.uk

Visit Us

86-90 Paul Street, London EC2A 4NE

Get a Free Quote

Prefer WhatsApp? Chat now →