Trusted Building Contractors
House extensions, loft conversions, garage conversions, new builds and premium fit-out across Slough, Maidenhead, Windsor, Reading and the Thames Valley. Fixed price. CITB certified. 15+ years.
What We Build
One contractor for every stage of your build. Fixed price from day one. Directly employed trades. No sub-contracting to unknown labour.

From £35,000
Single-storey, double-storey, side-return and wraparound. Planning support included. Adds 10–15% to property value.
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From £27,500
Dormer, hip-to-gable, Velux and Mansard. Creates bedroom, en-suite or home office without losing garden space.
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From £15,000
Home office, bedroom, gym or utility. Typically no planning permission required. Building regs handled by us.
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Bespoke pricing
Ground-up new build for self-builders and developers. Full project management. JCT contracts available.
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From £8,000
High-specification installations. Bespoke joinery, premium tiling, full electrical and plumbing.
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From £40,000
Structural works, BS 8102-compliant waterproofing and full fit-out. 10-year waterproofing warranty included.
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Why ASUKA247
Homeowners across Berkshire choose ASUKA247 because we deliver what we quote, finish when we say we will, and leave the site clean. Every time.
Fully itemised, fixed-price quote before any work starts. No hidden costs. The price we quote is the price you pay.
Our trades are directly employed. We never sub-contract to unknown labour. Every operative is vetted and works to our standard.
CITB Fire Safety in Buildings certified. Full public liability and employers liability. All work to building regulations standard.
You receive weekly photo reports throughout your project. You always know exactly where your build stands.
How We Work
We visit your property, assess feasibility and discuss your vision. No charge, no obligation.
Fully itemised fixed-price quote within 48 hours. Clear scope, clear cost, no surprises.
We coordinate planning permission, building regs, party wall notices and materials.
Directly employed team. On programme. Weekly photo reports throughout the build.
Snagging completed. Building regs sign-off obtained. Full documentation provided.
Recent Work

Slough, Berkshire

Maidenhead

Windsor

Wokingham

Reading
Client Reviews
"ASUKA247 built our double-storey rear extension in Maidenhead. From the initial quote to handover the process was completely transparent. The fixed price held, they finished on time, and the quality is exceptional."
"Our garage conversion in Slough was completed in five weeks — on time and exactly to the quoted price. The team was professional, tidy and the finish is superb. We now have a home office we are genuinely proud of."
"The kitchen renovation was handled seamlessly. One contractor, one invoice, zero headaches. ASUKA247 coordinated everything and the weekly photo updates meant I always knew what was happening on site."
Get Started
Tell us about your project and we will arrange a free site visit. Fixed-price quote delivered within 48 hours. No obligation.