House Extension Calculator
Get an instant estimate for your house extension. Takes 60 seconds.
5-year workmanship cover • Fully insured • Same-week surveys • London specialists
Get Your Estimate
Answer a few quick questions about your home, scope and finishes. We’ll provide you with a price range immediately and email a clear PDF that you can share.
London crews who turn up on time, keep sites tidy and communicate daily.
Recent work across Fulham, Kensington, Clapham, Dulwich, Crystal Palace, Forest Hill and Balham.
About Us
All Well Property Services specialises in helping homeowners, landlords, and businesses bring their properties to life and keep them in excellent condition. As a full-service general contractor, we cover everything from large-scale construction and refurbishments to fine interior decorating and ongoing maintenance. Whether you need a construction company to manage a full build, a skilled painter and decorator for a single room, or a reliable remodeller to modernise your kitchen or bathroom, we provide a seamless service that saves time and stress.
Our Services
This text briefly introduces visitors to your main services.
House Extensions
Add space and light with rear, side return, or wraparound builds. We handle design, planning, Party Wall, structure, and Building Control, delivering a tidy, stress free programme that lifts value.
House Renovations
From kitchens and bathrooms to full refurbs, one team runs the lot with clear pricing and daily updates. Dust control, smooth scheduling, and finishes that feel good every day.
Painting & Decorating
Crisp prep, low odour paints, and sharp lines inside and out. Colour advice included. We leave rooms clean each day and finishes that last with a five year workmanship promise.
Bathroom Fittings
Design and fit made simple. Plumbing, tiling, waterproofing, ventilation, and storage done right. Modern fixtures, neat details, and a spotless handover you can use the same night.
Fast instant estimate
Get a guide price in under a minute. Save it, then book a free visit.
Fixed quote, no surprises
We confirm on site and send an itemised, fixed quote with a clear build plan.
Local, clean, respectful
London crews protect floors, control dust, and keep neighbours happy.
Planning done for you
We handle drawings, structural calcs, Party Wall and Building Control from start to sign off.