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Professional Home Transformation Experts in North London
Established in North London, Firtree Build has built a reputation for delivering high-quality home improvement solutions tailored to individual client needs. Our team of skilled professionals specialises in transforming residential spaces through innovative loft conversions, house extensions, comprehensive refurbishments, and new build projects. We prioritise transparent communication, offering regular progress updates and maintaining a deposit protection scheme to ensure client security. Our commitment to excellence is demonstrated through workmanship guarantees, adherence to strict project timelines, and a focus on minimising disruption during construction phases.

With extensive experience in both traditional and modern building techniques, we provide end-to-end project management while maintaining flexibility to collaborate with external professionals such as architects and engineers. Our approach combines technical expertise with practical problem-solving to deliver spaces that enhance property value and meet evolving lifestyle requirements.
Services
Loft conversions House extensions Home refurbishment New builds Kitchen extensions Bathroom renovations Garage conversions Basement developments
Highlights and features
  • We offer guaranteed workmanship on all completed projects
  • Our deposit protection scheme ensures client financial security
  • We provide transparent, contractually fixed pricing structures
  • We maintain strict project timelines to minimise home disruption
  • We offer 24/7 client communication channels for project updates
What people say
Excellent quality work Completed on time Transparent pricing Professional management No hidden charges
Services
Loft conversions
Transform unused loft space into functional living areas with our expert conversion services. We create additional bedrooms, bathrooms, or home offices while maintaining structural integrity and building regulations compliance. Our process includes comprehensive planning, professional design consultation, and guaranteed workmanship. Clients benefit from increased property value and maximised space without extending property footprints.
House extensions
Expand your living space with custom-designed house extensions tailored to your lifestyle needs. We deliver single or double-storey extensions, garage conversions, and basement developments with full project management. Our service includes architectural planning, material selection assistance, and guaranteed completion timelines. Clients enjoy enhanced property functionality while maintaining aesthetic continuity with existing structures.
Home refurbishment
Comprehensive home modernisation solutions transforming outdated properties into contemporary living spaces. Our full-scale refurbishments cover structural modifications, kitchen and bathroom upgrades, and energy efficiency improvements. We handle all regulatory requirements while preserving property character. Clients receive tailored design options and guaranteed quality standards across all renovation phases.
New builds
Construct bespoke residential properties from foundation to completion with our new build services. We specialise in energy-efficient designs incorporating modern building technologies and materials. Our process includes site preparation, architectural development, and full interior specification. Clients benefit from 10-year structural warranties and complete customisation of living spaces to exact requirements.
People
Matt
Director
With over 15 years' experience in residential construction, Matt leads Firtree Build's project delivery team. He oversees all client projects from initial consultation through to completion, ensuring strict adherence to quality standards and project timelines while maintaining direct client communication throughout the building process.
Questions
Do you offer fixed-price contracts?
Yes, we provide fully transparent fixed-price contracts with no hidden charges or unexpected costs during the project.
What areas do you cover?
We operate throughout North London including Enfield, Hither Green, and surrounding boroughs for all residential projects.
Do you handle planning permissions?
Yes, we manage all necessary planning applications and building control requirements as part of our full-service offering.
What guarantees do you provide?
All projects include a workmanship guarantee and deposit protection scheme for complete client peace of mind.
How long do typical projects take?
Project timelines vary by scope but average 6-7 weeks for loft conversions and 10-12 weeks for full house extensions.
Reviews (4)
Barney Dines
Jan 09, 2022 Report
Matt and his team built a rear ground floor extension for us in Islington. The price was competitive, Matt was quick to reply to any questions and helpful with suggestions and ideas. The quality of the work is excellent, Claud and Wojtek are highly skilled builders and we are very happy with the finish. Matt also coordinated well with other trades that were involved and the project progressed as expected. We had some minor delays as there were some complications with the piled foundations but Matt managed this well and minimised the impact on our project. I would highly recommend Firtree to anyone
Matthew Holden
Sep 09, 2021 Report
Positive:Professionalism,Quality,Responsiveness,Value
Matt and the team were great. They did an extension for us, which we're really pleased with. Started promptly, everything went to plan and budget as expected. The quality of work is excellent and Matt managed everything smoothly.
Daniel Smith
Mar 16, 2021 Report
We recently used Firtree Building Services for our downstairs rear extension and were really pleased with the result and have no hesitation in recommending them. The job was completed on time and on budget and the quality of the finished work was excellent. We found the entire team to be very reliable and hardworking and they minimised disruption so we were able to work from home throughout the entire build. The Project was well managed and Matt was happy to give advice and suggest options at different stages. Thanks very much to Matt, Joe, Dan and Sean for all the hard work!
Nick Davidson
Jun 26, 2020 Report
Positive:Professionalism,Quality,Value
Very impressed with all the work carried out by Firtree Builders. They got the job done in the time estimated and also kept to the price quoted. Excellent quality of workmanship. Many thanks Matt and the team!