LOCAL BUILDERS · HILLINGDON
Hire Top Builders in Hillingdon
Are you looking for skilled and reliable builders in Hillingdon? GSM Builders offers expert construction services for residential and commercial projects, including home extensions, loft conversions, renovations, and new builds.
With years of experience, our team understands local regulations and delivers tailored solutions that match your vision and budget. From consultation to completion, we ensure a smooth, high-quality building experience with clear communication at every step.
Whether you’re planning a small upgrade or a major project, you can count on us for workmanship you can trust. Choose GSM Builders your dependable construction partner.
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 HILLINGDON
Building services in Hillingdon
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 →
Trusted Building Experts Near You
Work with trusted building experts near you in Hillingdon. Our experienced team handles everything from home improvements to full builds with precision and care. We focus on quality craftsmanship ensuring your project is completed on time and to the highest standard.
Quality Services Built to Last
As the leading construction company in Hillingdon, we provide a comprehensive range of building services for residential, commercial, and industrial projects. From initial concept to final completion, our experienced team collaborates closely with clients to bring their unique visions to life, on time and within budget.
Get Reliable Building Services at Affordable Prices
As the best construction company in Hillingdon, we offer affordable solutions personalised to your project needs whether it’s a home extension, loft conversion, renovation, or new build. Our skilled team delivers professional results with attention to detail, clear communication, and full compliance with local building standards. We work closely with you to stay within budget while never compromising on quality or safety.
Why Choose GSM Builders in Hillingdon?
We’re proud to be trusted builders in Hillingdon with a strong track record of delivering projects on time and within budget. Our solid reputation is built on reliability, clear communication, and customer satisfaction. With a team of highly trained professionals, we handle everything from loft conversions and roofing to renovations and complete new builds, always with skill and precision.
We never cut corners on quality. Every project is completed using premium, long-lasting materials to ensure results that meet the highest standards. Our pricing is competitive, with flexible packages designed to fit different budgets without compromising on service.
Get a written quote
Tell us about your project in Hillingdon 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 construction services do you offer in Hillingdon?
We offer a full range of services including home extensions, loft conversions, renovations, roofing, and new builds for both residential and commercial properties.
Do you help with planning permissions and building regulations?
Yes, our team is experienced in handling local planning permissions and ensures that all work complies with Hillingdon’s building regulations.
How much does a building project cost?
Yes, we carry all necessary insurance and certifications to ensure safety and compliance throughout your project.
How long will my project take to complete?
Timelines depend on the type and complexity of the project. We’ll give you a clear schedule during the planning phase and keep you updated throughout.
NEARBY
Also building in these areas
Hayes Uxbridge Ruislip Southall Greenford Ealing Acton Hounslow Harrow West Drayton Harmondsworth Sipson Iver Colnbrook All areas →
Ready to talk about your project in Hillingdon?
Free site visits anywhere in West London. Written quotes within a week.
Working out a budget before you call anyone? Our 2026 guide to house renovation costs in West London sets out what a full refurbishment runs to across Hillingdon, room by room, and what moves the number most.