Built right.
Built to last.
London's trusted builders for extensions, lofts, kitchens, bathrooms and garden rooms. Family-run, fully insured, and rated 5★ by our clients.
What we do
Our Services
House Extensions
Single & double-storey extensions, kitchen-diners, side returns.
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Loft Conversions
Dormer, Velux and hip-to-gable conversions — add bedrooms & en-suites.
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Kitchens
Full kitchen design & installation with stone and quartz finishes.
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Garden Rooms
Cedar-clad garden offices, studios and outbuildings.
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Bathrooms
Full bathroom refits, wet rooms and luxury tiling.
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Porches & Façades
Bespoke porches, brickwork and external rendering.
Learn moreWhy choose us
Honest builders. Real craftsmanship.
We're a small, family-run team based in East London. Every project — big or small — gets the same attention to detail and respect for your home.
- Free no-obligation quotes
- Transparent fixed pricing
- All trades in-house — no subcontractor surprises
- Clean, respectful site management
- Workmanship guarantee on every job
5.0 ★★★★★
What clients say
"I am very happy with the work they did for me, in my home in barking. Thanks guys"
"Fantastic work boys, highly recommend."
From foundation to finish
An Extension, Start to Finish
Every project we take on, we manage from the first brick of the footings to the last lick of paint — here's a real London extension we delivered.
01 · Foundations
Footings & engineering brick
02 · Structure
Steel beams in place
03 · Render
Walls rendered & ready
04 · Finished
Extension + dormer complete
Recent Kitchen Fit
Shaker kitchen, fully fitted
Cabinetry, worktops, splashback, plumbing and electrics — handled end-to-end.
Outdoor
Garden & Paving
Tired patios transformed into clean, modern porcelain-paved gardens — base, drainage, tiling and finishing all done in-house.
Bathrooms & Wet Rooms
Bathrooms built to relax in.
From full strip-outs and waterproofing to luxury fittings — brushed gold, patterned floors, walk-in showers and underfloor heating. Tiled, plumbed and finished by our own team.
- Full strip-out & waterproofing
- Wall & floor tiling — porcelain, marble, patterned
- Walk-in showers & wet rooms
- Brushed-gold & chrome fixtures
See our work on Instagram
@nasri.salimbuilders
Specialists in loft conversions, extensions & extensive home renovations.
- 20 years experience in the industry
- DM for a free no-obligation quote
Got a project in mind?
Get a free quote — no obligation, fast response.