London, United Kingdom
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PRIMEBUILDS
Portfolio

Selected London Builds

A curated selection of residential extensions, luxury townhouse refurbishments, and commercial fit-outs across Greater London.

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Interactive Studies

Before & After Transformations

Camden Victorian Rear & Kitchen Extension

Camden, London
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Completed: Camden Victorian Rear & Kitchen Extension
Completed Prime Build
Before: Camden Victorian Rear & Kitchen Extension
Prior Raw Shell

Regents Park Mansard Master Loft Suite

Regents Park, London
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Completed: Regents Park Mansard Master Loft Suite
Completed Master Suite
Before: Regents Park Mansard Master Loft Suite
Prior Raw Attic

Completed Projects

5 Projects
The Chelsea Townhouse Modernization
Refurbishment
London20 Weeks
Royal Borough of Kensington and Chelsea£320,000

The Chelsea Townhouse Modernization

A complete four-storey Victorian townhouse transformation featuring open-plan basement engineering, Crittall glass extensions, and bespoke acoustic isolation.

Floor Area310 m²
Added Value+28%
Energy RatingB (From E)
Project LeadSenior Prime Builds Team
Camden Townhouse Rear & Kitchen Extension
Residential
London14 Weeks
Camden£165,000

Camden Townhouse Rear & Kitchen Extension

Side-return and rear wrap-around extension with black Crittall architectural doors, polished marble waterfall island, and flush courtyard integration.

New Floor Space+54 m²
Natural Daylight Gain+180%
Completion SpeedOn Schedule
Client Satisfaction10/10 Score
Regents Park Master Suite Loft Conversion
Conversion
London9 Weeks
Westminster / Regents Park£78,000

Regents Park Master Suite Loft Conversion

Bespoke Mansard loft conversion creating an expansive master sanctuary with triple Velux rooflights, exposed architectural oak trusses, and luxury wetroom.

Ceiling Height2.65 m
Added Bedrooms1 Luxury Suite
Property Equity+£120,000
Acoustic Rating54 dB Attenuation
Mayfair Headquarters Commercial Fit-Out
Commercial
London12 Weeks
City of Westminster / Mayfair£290,000

Mayfair Headquarters Commercial Fit-Out

Cat B commercial fit-out for a premier London private equity firm featuring acoustic glass meeting suites, reception joinery, and HVAC engineering.

Workplace Capacity45 Stations
Acoustic SeclusionRw 48dB
Turnover Time12 Weeks Dead
BREEAM StandardVery Good
Kensington Luxury Wetroom & Spa Sanctuary
Residential
London5 Weeks
Kensington£38,000

Kensington Luxury Wetroom & Spa Sanctuary

A bespoke master wetroom utilizing bookmatched Italian Calacatta marble slabs, a floating navy vanity, and frameless walk-in rainfall enclosure.

Waterproofing100% Guaranteed
Floor HeatingZoned Touchscreen
Finish LevelUltra-Prime
DeflectionZero Tolerance