OUR BUILDING SERVICES
Building Services in London
AJ Contractors Builder provides reliable building services in London, helping homeowners improve, extend and transform their properties with quality workmanship, clear communication and careful project management.
Why Choose Us
- Fully insured building work
- Clear communication from start to finish
- Building control compliant approach
- Quality workmanship on every project
- Free quote and honest advice
Explore Our Building Services
Choose from our main building services across London, including loft conversions, home extensions, renovations, roofing and structural work.
Create valuable extra space with dormer, Velux and hip-to-gable loft conversions designed around your home.
Add more living space with rear, side return and double storey extensions built with care and attention to detail.
Transform outdated spaces with full home renovations, layout improvements and modern interior upgrades.
Reliable roof repairs, roof replacements, flat roofing, pitched roofing and dormer roofing work for London homes
Safe structural alterations, RSJ installation, load bearing wall removal and steel beam work.
Professional Residential Builders Across London
AJ Contractors Builder provide professional residential building services across London, trusted by homeowners for quality, reliability and long-lasting results.
We specialise in loft conversions, home extensions, property renovations, roofing services and structural work, delivering expert craftsmanship and complete project management from start to finish.
With over 15 years of experience, our team works closely with clients across Greater London to transform properties through carefully planned construction solutions.
Every project is delivered with high standards, structural integrity and close attention to detail.
Additional Construction Services
A range of supporting services available as part of our construction projects.
Plastering
Smooth internal finishes and professional surface preparation
Painting and decorating
High-quality interior and exterior finishes
Carpentry and joinery
Bespoke woodwork and structural timber solutions
Exterior rendering
Durable, weather-resistant finishes for modern and traditional homes
Wall and floor tiling
Kitchens, bathrooms, and living areas finished to a high standard
Foundation digging and groundwork
Strong structural preparation for extensions and new builds
Why Homeowners Choose AJ Contractors Builder
Trusted by homeowners across London for quality workmanship and reliable residential building services.
15+ Years of Residential Construction Experience
With over 15 years of experience, we deliver high-quality residential construction projects across London, built to last and completed to professional standards.
Fully Insured & Compliant Construction Services
All construction work is fully insured, giving homeowners complete peace of mind and protection throughout every stage of the project.
Local & Family-Run London Builders
As a local, family-run construction company in London, we take pride in honest service, clear communication, and long-term client relationships.
End-to-End Project Management
From planning and design to build and final finishes, we manage your residential construction project from start to finish.
Trusted by Homeowners Across London
We are trusted by homeowners across London for our reliability, quality workmanship, and commitment to delivering projects on time and within budget.
Clean, Respectful & Safe Worksites
Our team works cleanly and respectfully in your home, minimising disruption while maintaining a safe and organised work environment.
Our home renovation services in London breathe new life into tired spaces, combining modern design with practical functionality.
- Complete kitchen and bathroom renovations
- Interior redesign and modernization
- Structural alterations and improvements
- Energy-efficient upgrades
- Period property restoration

We also specialise in
Home Extensions, Loft Conversions, Roof Works and Structural Work all in London.
Create additional living space with our expertly crafted house extension services in London, designed to complement your home perfectly.
- Single and double-storey extensions
- Side return and rear extensions
- Wrap-around extensions
- Kitchen extensions with bi-fold doors
- Planning permission support
We also specialise in
Home Renovations, Loft Conversions, Roof Works and Structural Work all in London.
Unlock your home’s hidden potential with our expertly designed loft conversion services in London, tailored to maximise space and value.
- Dormer loft conversions
- Hip-to-gable conversions
- Mansard conversions
- Velux conversions
- En-suite bathroom installation

We also specialise in
Home renovations, House Extensions, Roof Works and Structural Work all in London.
ROOFING SERVICES
Our roofing services in London include roof repairs, new roof installations and full roof replacements, carried out by experienced professionals using high quality materials and reliable workmanship built to last.
- Roof repairs and leak detection
- New roof installations and replacements
- Flat and pitched roofing systems
- Chimney repairs and leadwork
- Fascias, soffits and guttering
We also specialise in
Home renovations, House Extensions, Roof Works and Structural Work all in London.
STRUCTURAL SERVICES
Our structural work services in London include load-bearing wall removal, RSJ steel beam installation and structural alterations, carried out safely by experienced professionals in line with UK building regulations.
- Load bearing wall removal
- Steel beam (RSJ) installation
- Structural alterations and reinforcements
- Open plan layout conversions
- Structural repairs and support work
We also specialise in
Home Renovations, House Extensions, Loft Conversions and Structural Work all in London.