GSM Builders
Building, renovation and roofing services based in London
About GSM Builders
GSM Builders undertakes building, renovation and refurbishment work for homeowners, landlords and businesses. Its listed services include extensions, loft conversions, roofing, kitchen fitting, bathroom renovation, painting, plastering and tiling, alongside emergency plumbing, electrical, glazing and boarding-up work.
The company says it has more than 12 years of experience. Its team includes project managers, site supervisors and tradespeople, with quantity surveyors and structural engineers among its specialist partners. It describes a process of consultation, assessment, written estimate, approval and scheduled project delivery, and says it handles planning liaison and Building Control requirements where applicable.
GSM Builders says it offers free quotes and a 12-month warranty on its work, with extended coverage for structural projects. Its stated service areas include North West London, South London, West Drayton and Hillingdon.
Accreditations
- Federation of Master Builders
Areas covered
- North West London
- South London
- West Drayton
- Hillingdon
Services
- Bathroom Renovation
- Builders
- Emergency Electricians
- Emergency Plumbers
- Emergency Roofers
- House Extensions
- Flat Roofing
- Glaziers
- House Renovations
- Loft Conversions
- Roofers
Building and renovation
- New builds
- Extensions
- Loft conversions
- Home renovation
- Property refurbishment
- Kitchen renovation
- Bathroom renovation
Finishes
- Painting and decorating
- Plastering and skimming
- Flooring
- Wallpaper removal
- Wall tiling
- Kitchen fitting
Roofing
- Roof repairs
- Roof replacements
- New roof installations
- Flat roofing
Emergency services
- Emergency plumbing
- Emergency electrician
- Emergency glazing
- Emergency boarding-up
What their website says about each service
- Bathroom Renovation
“Bathroom Renovation”
- Builders
“we provide end-to-end building solutions tailored to homeowners, landlords, and businesses.”
- Emergency Electricians
“We offer 24/7 emergency electrician services for residential, commercial, and industrial needs”
- Emergency Plumbers
“We provide fast, reliable emergency plumbing for homes, businesses, and industrial sites — with expert care, 24/7.”
- Emergency Roofers
“Emergency Roof Services”
- House Extensions
“Whether you need a home extension, renovation, or full build”
- Flat Roofing
“Specialist flat roofing services using high-performance materials for a clean, weatherproof, and low-maintenance finish.”
- Glaziers
“We offer 24/7 emergency glazing services—fast, secure glass repair and replacement for homes, shops, and commercial properties.”
- House Renovations
“From loft conversions to complete refurbishments”
- Loft Conversions
“Create extra space with stylish and functional loft conversions.”
- Roofers
“From emergency roof repairs ,leak detection to complete roof replacements and new installations”
What customers say
GSM Builders delivered our refurbishment on time and within budget. Their professionalism as construction contractors really showed throughout the project.
We hired GSM as our house builder in the UK for our extension. Excellent communication, quality workmanship, and reliable project management.
Finding trustworthy builders is hard, but GSM exceeded expectations with clear pricing and outstanding results.
Shared on gsmbltd.com.