QUALITY CONSTRUCTION | LASTING RESULTS
1st Building
Contractors Ltd
Expert Construction Services
From the ground up, we deliver high quality construction work for residential and commercial clients across London and surrounding areas.
NEW BUILDS
High quality new build homes, tailored to your needs, built to last.
EXTENSIONS
Create more space and add value to your home with expertly built extensions.
LOFT CONVERSIONS
Transform your loft into beautiful, functional living space.
STRUCTURAL WORKS
RSJs, load bearing walls, structural alterations and full structural solutions.
GROUNDWORKS
Foundations, drainage, site preparation and all aspects of groundworks.
Experienced Team
High Quality Workmanship
Fully Insured
On Time On Budget
Our Work Speaks for Itself
A Closer Look at Our Sites
Building London's Finest Homes With Craftsmanship & Integrity
With over 15 years of industry excellence, 1st Building Contractors Ltd has established an enviable reputation across London and the Home Counties for delivering premier residential extensions, bespoke new builds, architectural loft conversions, and intricate structural alterations.
Our foundation is simple: client trust and uncompromising standards. Every project benefits from dedicated in-house project managers, veteran tradesmen, transparent procurement schedules, and seamless communication from day one through to final building control sign-off.
"We treat every client's home with the exact structural rigor, discretion, and care as if it were our own family's build."
The Standards That Set Us Apart
From concept to completion, we combine technical precision with seamless communication.
Fixed-Price Quotations & No Hidden Fees
Transparent upfront itemised scopes. You receive an uncompromised breakdown of materials, labour, and timelines so there are never unwelcome surprises.
Dedicated Site & Project Manager
One single point of contact throughout the entire build. Your project manager coordinates trades, inspections, and direct daily logistics seamlessly.
Full Structural & Building Control Sign-Off
Fully insured, compliant with British Standards, and accompanied by full building regulation certificates alongside a 10-year structural warranty.
In-House Skilled Craftsmanship
Certified master builders, bespoke architectural joinery, structural steel experts, and qualified trades ensuring fine finishes at every junction.
Clean, Respectful & On Schedule
Tidy sites with dust extraction, protective coverings, strict milestone schedules, and genuine respect for you and your neighbours at all hours.
Transparent Daily/Weekly Updates
Digital progress tracking, photographic logs, and weekly milestone walkthroughs keep you fully informed every step of the transformation.
Frequently Asked Questions
Find quick answers to common questions about our building process, planning permission, and contracts.
Do you handle planning permissions and building regulations?
How long does a typical home extension or loft conversion take?
Are your quotes fixed or subject to change?
Are you fully insured and do you offer guarantees?
Can we remain living in our home during the renovation?
How do stage payments work?
Have a specific project in mind? Speak directly with our chief surveyor today.
Get in Touch Today
Free, no-obligation quote.