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Business Details
Trusted Home Builders in North London
Firtree Build has established itself as a leading North London building company specialising in high-quality home improvements. With extensive expertise in loft conversions, house extensions, home refurbishments, and new builds, we prioritise client collaboration to exceed expectations. Our skilled team combines technical proficiency with a commitment to transparent communication, offering deposit protection schemes, realistic project timelines, and workmanship guarantees.

We ensure minimal disruption through regular progress meetings while maintaining rigorous health and safety standards. Our approach integrates architectural planning, structural calculations, and building control sign-offs to deliver tailored solutions that enhance property value and meet evolving domestic needs.
Services
Loft Conversions House Extensions Home Refurbishment New Builds Kitchen Extensions
Highlights and features
  • We offer over 20 years of experience in residential construction and renovations
  • Our team provides regular progress meetings for transparent communication
  • Deposit protection schemes ensure your investment is secure
  • Realistic project schedules minimise disruption to your daily life
  • Workmanship guarantee provides complete peace of mind
What people say
Excellent quality of work Smooth project management Met budget expectations Timely communication Highly skilled team
Services
Loft Conversions
Transform unused loft space into functional living areas while adding significant property value. Our conversions include internal, dormer, and roof-off options tailored to structural requirements. Professional management of planning permissions, architectural design, and building regulations ensures seamless execution from initial consultation to final certification.
House Extensions
Create additional living space with custom single or double-storey extensions. We handle all aspects from feasibility surveys through to completion, including planning applications and structural engineering. Options include garage conversions, basement developments, and orangery additions that harmonise with existing property aesthetics.
Home Refurbishment
Comprehensive property upgrades ranging from partial modernisations to full-scale renovations. Services cover complete interior redesigns, bathroom and kitchen overhauls, and energy efficiency improvements. Our process includes detailed assessments, design consultations, and regulatory compliance management to deliver modern, functional living spaces.
New Builds
Design and construct bespoke residential properties to exact specifications. From initial concept development through material selection to final certification, our new builds incorporate modern energy-efficient standards. Options include integrated smart home systems, dedicated workspaces, and customised layout configurations tailored to contemporary living requirements.
Kitchen Extensions
Expand kitchen areas to create spacious, functional cooking and socialising environments. Our extensions incorporate modern design principles with practical storage solutions. Projects include structural modifications, utility relocations, and seamless integration with existing property architecture to enhance both usability and aesthetic appeal.
Questions
What home improvement services do you specialise in?
We specialise in loft conversions, house extensions, complete property refurbishments, and new build constructions across North London.
Do you handle planning permissions and building regulations?
Yes, we manage all planning applications, structural calculations, and building control sign-offs as part of our comprehensive service package.
How long do typical projects take to complete?
Project timelines vary by scope but average 6-7 weeks for permitted development loft conversions and 3-6 months for major extensions or refurbishments.
What guarantees do you offer for completed work?
We provide comprehensive workmanship guarantees covering all construction aspects with responsive post-completion support for any issues that may arise.
Can you work with existing architectural designs?
Yes, we can implement client-provided designs or collaborate with appointed architects to realise specific vision requirements.