
Our Services
A complete range of residential construction services across London. One team. One contract. From planning approvals to final handover.
Construction Services Built Around You
From concept to completion, every aspect of your project managed by one trusted London team — no subcontracting, no surprises.

House Extensions
Rear, side and wrap-around extensions that add real living space to your London home. Planning, structural work and finishing — all handled by Alstruct.
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Home Renovations
Full house refurbishments that transform tired properties into stunning contemporary homes. Kitchens, bathrooms, entire floors — Alstruct does it all.
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Loft Conversions
Dormer, hip-to-gable, mansard and Velux conversions that unlock your home's hidden potential. New bedrooms, offices and living space, designed and built by Alstruct.
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Basement Conversions
Expert excavation, underpinning and tanking to create luxury living space beneath your home. Fully building-regs compliant, end-to-end project management by Alstruct.
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Groundworks & Drainage
Foundations, drainage systems, underpinning and site preparation carried out by our in-house groundworks team — the bedrock of every Alstruct build.
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Hard Landscaping
Porcelain patios, block-paved driveways, garden walls and outdoor lighting that complete your property's transformation. Designed and installed by Alstruct.
Explore LandscapingWhy Homeowners Choose Alstruct
Fully Certified
CHAS Elite, Constructionline Gold and FMB accredited. Your project is in safe, qualified hands.
One-Stop Solution
Design, planning, structural work and finishing trades — all managed by one team under one roof.
On Time & On Budget
Transparent pricing and realistic timelines. No hidden costs, no nasty surprises.
Experienced Team
Skilled tradespeople with years of experience delivering residential projects across every London borough.