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Premium London construction services by Alstruct
What We Build

Our Services

A complete range of residential construction services across London. One team. One contract. From planning approvals to final handover.

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What We Do

Construction Services Built Around You

From concept to completion, every aspect of your project managed by one trusted London team — no subcontracting, no surprises.

Extensions Premium rear house extension on a London Victorian terrace

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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Kitchens Kitchen extension with an island, a rooflight and sliding doors to the garden

Kitchen Extensions

Rear, side return and wraparound kitchen-diners designed and built by one team: published costs, the separate kitchen budget, planning, party wall and programme.

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Renovations Luxury open-plan kitchen renovation in a London home

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 loft conversion with Velux skylights in London

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 Luxury basement conversion with natural light wells in London

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 Professional groundworks and foundation preparation on a London site

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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Landscaping Premium hard landscaping with porcelain patio and block paving in London

Hard Landscaping

Porcelain patios, block-paved driveways, garden walls and outdoor lighting that complete your property's transformation. Designed and installed by Alstruct.

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Joinery & Carpentry

Bespoke joinery

Fitted wardrobes, cupboards and shelving, wall panelling and shutters, doors, skirting and staircases, on their own or as part of a renovation. On our Limehouse cottage project the joinery package alone was worth over £32,000.

About our joinery
Commercial Clients

Commercial building maintenance

Alongside our residential projects we run a maintenance team for commercial premises. Since February 2025 it has completed more than 100 jobs in more than 20 Virgin Active health clubs across London and Essex, including emergency call-outs and out-of-hours repairs.

About our maintenance work
Why Choose Us

Why 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.