London's Trusted Builders

Extensions, Conversions
& Refurbishments

From extensions and loft conversions to full refurbishments, A1 Home Developments delivers quality craftsmanship across London. On time, on budget, built to last.

Get a Free Quote View Our Work
15+ Years Experience
500+ Projects Completed
100% Fully Insured
5* Google Rating
What We Do

Our Services

Extensions, conversions, refurbishments, and more — tailored to your needs

Extensions

Add valuable space to your home with expertly built extensions — side return, rear, wrap-around, or single and double storey.

Loft Conversions

Unlock your home's potential with a professionally built loft conversion. Dormer, hip-to-gable, mansard, and velux options available.

Refurbishments

Complete or partial refurbishments to transform your property. Kitchens, bathrooms, open-plan living, and full house renovations.

Driveways & Landscaping

Transform your outdoor space with block paving, resin-bound driveways, patios, fencing, and full garden landscaping.

Media Walls

Bespoke media walls with integrated lighting, electric fireplaces, and storage. A stunning centrepiece for any living room.

Renovations

Breathe new life into your property with full or partial renovations. Structural alterations, plastering, decorating, and finishing.

Our Portfolio

Recent Projects

A selection of our latest work across London

Rear extension in London

Rear Extension

London

Loft conversion in London

Loft Conversion

London

Full house refurbishment in London

Full Refurbishment

London

Bespoke media wall in London

Media Wall

London

Block paving driveway in London

Driveway

London

Kitchen renovation in London

Kitchen Renovation

London

Why Choose Us

Built on Trust,
Delivered with Pride

With over 15 years of experience across London, we've built our reputation on reliability, quality workmanship, and transparent communication. Every project is managed personally from start to finish.

  • Fully insured and certified
  • Transparent pricing — no hidden costs
  • Dedicated project manager for every job
  • Clean, respectful, and punctual teams
  • 10-year structural guarantee on all builds
  • Free, no-obligation quotes
A1 Home Developments team on site
What Our Clients Say

Testimonials

★★★★★

"A1 completely transformed our Victorian terrace. The loft conversion and rear extension gave us so much more space. Professional from start to finish, and they kept the site immaculate."

James & Sarah T. Loft Conversion & Extension, Hackney
★★★★★

"We had our entire kitchen and bathroom renovated. The quality of the tiling, plumbing, and joinery was outstanding. They came in on budget and actually finished a day early!"

Priya M. Kitchen & Bathroom Renovation, Islington
★★★★★

"Used A1 for a full office refit. They worked weekends to meet our deadline and the result was brilliant. Our team loves the new space. Highly recommend for commercial work."

David R. Commercial Fit-Out, Shoreditch
★★★★★

"Our flat roof had been leaking for months. A1 came out within two days, gave an honest quote, and had the new roof done in a week. Brilliant communication throughout."

Michael K. Roofing, Brixton
★★★★★

"We hired A1 for our garden — new patio, fencing, and a complete redesign. It's like having a brand new outdoor room. The landscaping team were friendly and really skilled."

Laura & Tom H. Landscaping, Wimbledon
★★★★★

"Third time using A1 — that says it all really. This time it was a new build garage with an office above. Perfect build quality and always a pleasure to deal with."

About Us

A1 Home Developments

We are a London-based building and construction company with over 15 years of experience delivering exceptional results for homeowners and businesses alike.

Founded on the principles of quality, integrity, and reliability, we take pride in every project — from a simple bathroom refresh to a complete new build. Our skilled team of tradespeople are fully qualified, insured, and committed to exceeding your expectations.

We believe great building work starts with great communication. That's why every client gets a dedicated project manager, regular updates, and complete transparency on costs and timelines.

Fully Insured NHBC Registered FMB Member
Get In Touch

Request a Free Quote

Tell us about your project and we'll get back to you within 24 hours with a no-obligation quote.

Call Us 07979 797 250
Serving All London Boroughs

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