House Extensions London
Transform your home with a custom rear, side return, or wraparound extension. From groundworks to structural steel, architectural glazing, and handover.
Extension Options
Extension Designs
We build all types of house extensions across London and surrounding counties.
Rear Extensions
Extend into your garden to create a spacious open-plan kitchen, dining and living area.
- Open-plan layout
- Bifold / sliding glass doors
- Roof lanterns & skylights
- Structural steel RSJs
Side Return Extensions
Transform unused side alleyways into bright, wide family living space in period terrace homes.
- Maximized floor area
- Glass side return roof
- Infilled passage design
- Seamless garden access
Wraparound Extensions
Combine rear and side return extensions for maximum ground floor transformation.
- Maximum space creation
- Zoned open-plan living
- Underfloor heating throughout
- Bespoke architectural finish
What We Offer
Complete Build Management
From foundations to final inspection, we coordinate every trade.
Groundworks & Foundations
Trench fill, strip foundations, or piling engineered for your soil type and structural loads.
Structural Steelwork
Calculation and installation of steel RSJs to support open-plan knocked-through walls.
Glazing & Bifold Doors
High-performance aluminium bifolds, sliding glass doors, roof lanterns, and Velux skylights.
Brickwork & Masonry
Matching existing period brickwork, cavity insulation, and weatherproof rendering.
Roofing & Insulation
Flat green roofs, EPDM rubber membranes, pitched slate roofs, and PIR insulation.
Building Regs Sign-Off
Full coordination with local authority or approved inspector for final completion certificates.
Start Your Extension Project
Contact us today to arrange a free site consultation and fixed-price quote.