Builders in London
Home Extensions, Renovations, Loft Conversions & Roofing
Trusted London builders delivering high quality home extensions and renovations. Fully managed from start to finish with clear pricing and reliable timelines.
Fully Insured • Free Quotes • 5 Star Rated • Local London Builders
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Our Building Services in London
ABOUT AJ CONTRACTORS BUILDER
Trusted Builders for Home Extensions and Renovations in London
We provide a complete range of residential construction services, tailored to your property, budget and long-term goals.
Ready to start your residential construction project in London?
- 5.0 Customer Rating
- Fully Insured
- Local & Family-Run
Trusted by Homeowners
Across London and surrounding areas
End-to-End Project Management
From planning and design to completion
Experienced & Reliable
Over a decade delivering quality builds
Ready to start your residential construction project in London?
Fully Certified and Approved Building Contractors
All our work meets current UK building regulations and safety standards, with full certification from recognised industry bodies.
OUR SERVICES
Our Residential Building Services
We offer expert residential construction services across London, specialising in loft conversions, home extensions, and full property renovations. Every project is delivered with care, compliance, and skilled workmanship you can trust.
From rear extensions to side-return and wraparound extensions, we help homeowners add valuable living space with expert project management.
We deliver full and partial property renovations, transforming kitchens, bathrooms and living spaces into modern, functional homes designed around your needs.
Maximise unused roof space with professionally designed loft conversions that add space and value to your home.
We also provide roofing services and structural building work, including new roof installations, beam replacements and chimney removals, all completed safely and in line with UK building regulations.
Modernise and refresh your home with expert property refurbishments in London. We upgrade tired spaces with clean finishes and attention to every detail.
We handle your entire project with clear timelines, budget control and reliable communication. End-to-end construction project management you can trust.
WHY CHOOSE US
Why Choose AJ Contractors Builder
A trusted residential construction company delivering quality, transparency, and reliability across London.
15+ Years of Residential Construction Experience
With over 15 years of experience, we deliver reliable residential construction services across London, built to last and completed to the highest standards.
Fully Insured and Compliant Construction Services
All construction work is fully insured and meets UK building regulations. You’re covered at every stage with certified, safe and professional work.
Local and Family-Run London Builders
As a family-run company based in East London, we’re proud to offer honest service, clear communication and strong client relationships.
End-to-End Project Management
From design to final finishes, we handle your project from start to finish — keeping things organised, on time and within budget.
Trusted by Homeowners Across London
Homeowners across London choose us for our quality, transparency and commitment to delivering excellent results every time.
Clean, Respectful and Safe Worksites
Our team works safely, cleanly and respectfully in your home, reducing disruption and keeping your property tidy throughout the build.
Looking for expert builders for your home in London?
Whether you’re planning a loft conversion, home extension, or full renovation, our team is ready to help. We work across East London and surrounding areas, delivering trusted results with clear communication and top-quality craftsmanship.
OUR WORK
Recent Projects
A selection of our recent residential construction projects across London.
OUR PROCESS
How We Work
Our clear and structured construction process ensures your project runs smoothly from the first consultation through to planning, build, completion and final handover.
We specialise in loft conversions and home extensions across East London, transforming homes with smart designs tailored to your needs.
Consultation & Planning
We begin with a friendly consultation to understand your ideas, assess the space and create a clear plan that sets your project off to a strong start.
Design & Approvals
Our team works closely with you to develop designs, manage building control and handle approvals so that everything is compliant and stress free.
Build & Project Management
We manage the full build using skilled tradespeople, clear communication and quality control at every stage to keep things running smoothly.
Completion & Handover
Once everything is complete, we carry out final checks and hand over your finished space. It will be clean, safe and ready to enjoy from day one.
Why East London Homeowners Choose AJ Contractors Builder
With over 18 years of experience delivering loft conversions, home extensions and full property renovations, AJ Contractors Builder provides reliable, high-quality residential building services across East London. Every project is completed with a focus on structural integrity, safety and clear communication from start to finish.
What Our Clients Say
Rated 5.0 on Google by homeowners across East London
Dee Flood
I had a loft conversion along with 1st floor restructuring done by AJ Contractors Builder. Being such a large job to complete i was obviously nervous to find the right builder to trust. AJ contractors and Mohammed in particular exceeded my expectations. The work was done very quickly, to the timescale promised, and most importantly to an excellent standard . The finish is top quality.
Mohammed and is an excellent communicator always keeping us informed at every step.
All the team are skilled at their roles, they work cleanly, and are very respectful.
We are over the moon with our new loft, en-suite and refurbished first floor.
All in all I couldn’t fault them and would have no hesitation in recommending them for any type of home renovation, loft conversion or extension. Don’t hesitate.
Amir G
I am extremely happy with the work carried out by AJ Contractors on my house renovation and loft extension. From start to finish, the team was reliable, professional, and always on time. The quality of their workmanship is of a very high standard, and they paid great attention to detail throughout the project. Communication was excellent, and everything was completed exactly as agreed. I would highly recommend AJ Contractors to anyone looking for high-quality building work.
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Sumiyah_177 1
I would highly recommend Aj contractors for all your building work I recently had my kitchen extension done and couldn’t be more pleased with the results ,quality of workmanship is outstanding and overall communication and time was perfect and seamless. Everything was prompt and I am super happy with my upgraded kitchen.
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Osama Khan
Asked him for quote, carried out the quote same day.
Very satisfied with the quality of the work and communication was really good. Muhammad was very cooperative from start to end of the project. Would definitely recomend him for any future building work.
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Homeowners across East London trust AJ Contractors Builder for our reliability, workmanship and clear communication. Here’s what a few of our clients had to say about working with us.
More Client Testimonials
AJ Contractors completed our home renovation in London to a high standard. The team were professional, efficient and tidy throughout, keeping us informed at every stage.
The quality of workmanship is excellent and the finished result has completely refreshed our home. We would happily recommend them to anyone planning a renovation.
⭐⭐⭐⭐⭐
Rated 5.0 by homeowners across London