LOCAL BUILDERS · NORTH WEST LONDON
Expert Builders in North West London
Looking for reliable builders in North West London? You’re in the right place. We’re a local team with years of experience in everything from house extensions new builds and loft conversions to full property refurbishments.
Whether you’re planning a small upgrade or a major renovation, we’re here to bring your vision to life with skill, care, and attention to detail. Trust GSM Builders for reliable, high-quality construction services
12-month workmanship warranty
Written into every contract
Building Control certified
Completion certificate on every project
Fully insured
Public & employer’s liability
Based in Hayes UB3
Building in West London since 2019
WHAT WE DO IN NORTH WEST LONDON
Building services in North West London
Extensions, lofts and full refurbishments are most of our work. We also take on smaller jobs on their own.
House Extensions Loft Conversions Refurbishment Renovation Kitchen Fitting Flooring Painting & Decorating Plastering & Skimming Roofing Wall Tiling Wallpaper Removal Emergency Services All services →
Request a Free Construction Quote
Request a free construction quote from experienced builders in North West London. We provide transparent pricing and expert guidance for your project. From renovations to new builds our professional team ensures high quality results tailored to your needs and budget.
Top Construction Company in North West London
GSM Builders Ltd is a leading name among builders in North West London, known for delivering quality craftsmanship and dependable service. With years of hands-on experience, our team offers a full range of construction solutions at fair, transparent prices. From house extensions and property refurbishments to new build projects, we approach every job with care, attention to detail, and a commitment to excellence.
We believe great building starts with listening to our clients, sticking to timelines, and delivering results that last. If you’re searching for a reliable construction company in north west that works with honesty and pride, GSM Builders is here to turn your vision into reality.
Why Choose GSM Builders?
Choosing GSM Builders means choosing experience, reliability, and quality. As trusted builders in North West London, we bring a personal approach to every project, big or small. Our team is known for clear communication, honest pricing, and attention to detail from start to finish. We work closely with you to understand your goals and deliver results that exceed expectations. Whether it’s a home extension, renovation, or a new build, we complete every job with pride and professionalism.
Get a written quote
Tell us about your project in North West London and we’ll come out, measure up and send an itemised price. Usually within a week.
GSM Builders Ltd
13 Leven Way, Hayes UB3 2SR
Mon to Sat 8am, 6pm
HOW WE WORK
One team, start to certificate
01
Free site survey
We measure, check drains and planning, and give you an itemised written quote.
02
Drawings & approvals
Plans, structural calculations, planning or prior approval, Party Wall notices where needed.
03
The build
A dedicated site manager, agreed payment stages, and the house kept liveable.
04
Sign-off
Building Control completion certificate, snagging, 12-month workmanship warranty.
FAQ
Common questions
What types of building services do you offer?
We offer a full range of services including house extensions, loft conversions, kitchen and bathroom refurbishments, full property renovations, roofing and new builds. Whether it’s a small upgrade or a major project, we’ve got you covered.
Are your quotes free and without obligation?
Yes, all our quotes are completely free with no obligation. We’ll visit your property, discuss your requirements, and provide a detailed, transparent quote tailored to your project.
How long will my project take to complete?
Project timelines depend on the scope and complexity of the work. We always aim to stay on schedule and keep you updated throughout the process. We’ll give you a realistic time estimate before we begin.
Do you work in all areas of North West London?
Yes, we cover all of North West London.
NEARBY
Also building in these areas
Hayes Hillingdon Uxbridge Ruislip Southall Greenford Ealing Acton Hounslow Harrow West Drayton Harmondsworth Sipson Iver All areas →
Ready to talk about your project in North West London?
Free site visits anywhere in West London. Written quotes within a week.