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Your Trusted Loft Conversion Specialists in London
Established with a commitment to quality and customer satisfaction, we specialise in loft conversions across London, Essex, and Hertfordshire. Our team of qualified tradesmen brings over 15 years of industry expertise to every project, ensuring certified workmanship that adheres to the highest standards. We pride ourselves on delivering a seamless one-to-one service, from initial consultation to completion, without subcontracting any aspect of the work.

Backed by a 10-year insurance guarantee and regular inspections, our process includes structural steelwork, insulation, fire safety compliance, and NIC certification. With show lofts available on request and a focus on minimising disruption, we combine technical precision with client-centric communication to transform residential spaces efficiently and reliably.
Services
Loft conversions Bathroom installations Dormer windows Velux windows Structural insulation
Highlights and features
  • We offer 15+ years of specialist loft conversion experience
  • Our fully qualified team handles all work in-house
  • 10-year insurance-backed guarantee on every project
  • No subcontractors used at any stage of the process
  • Free no-obligation quotations with detailed planning
What people say
Friendly and helpful staff Excellent quality of work Completed before deadline Professional and reliable Stress-free process
Services
Loft conversions
We specialise in comprehensive loft conversions that maximise residential space while maintaining structural integrity. Our process includes architectural planning, steel beam installation, and insulation to create functional living areas. Clients benefit from our in-house expertise and 10-year insurance-backed guarantees.
Dormer windows
Custom dormer window installations enhance natural light and headroom in converted loft spaces. Our team ensures precise fitting and weatherproofing while matching existing roof aesthetics. This service improves both functionality and property value through professional execution.
Structural insulation
Post-conversion insulation services maintain energy efficiency in transformed loft spaces. We use high-performance materials to meet building regulations while preserving comfort. This critical phase ensures year-round temperature control and reduced energy costs for homeowners.
Fire safety systems
We install certified fire doors and smoke alarm systems as part of our safety compliance package. This service ensures regulatory adherence while protecting occupants. Our NIC-certified installations provide peace of mind and meet insurance requirements for converted spaces.
Bathroom installations
Integrated bathroom installations complete loft conversion projects with modern plumbing solutions. Our team handles pipework, fixtures, and waterproofing to create functional ensuite facilities. This service adds significant value through practical space utilisation and contemporary design.
Questions
What areas do you cover for loft conversions?
We operate across London, Essex, and Hertfordshire, including specific locations like Harlow, Hertford, and Stevenage. Our service radius extends to all major towns in these regions.
Do you use subcontractors for any work?
No, we exclusively use our own qualified tradesmen for every project phase. This ensures consistent quality control and direct accountability throughout the conversion process.
What guarantees do you offer?
Every project includes a 10-year insurance-backed guarantee covering structural elements. We also provide NIC certificates and complete documentation for all safety compliance measures.
How long does a typical conversion take?
Most projects take 6-8 weeks depending on scope. We maintain strict timelines while minimising household disruption through efficient scaffolding and phased material delivery.
Can you help with planning permissions?
Yes, we handle architectural drawings submission and obtain necessary approvals. Our process includes detailed layout plans and dimensional specifications to secure required permissions.
How do I get a quote?
Contact us for a free, no-obligation consultation where we'll assess your space and provide a detailed quotation covering all aspects of your proposed conversion.
Reviews (5)
Debbie Newton
Jan 27, 2022 Report
I'm glad others had a good experience, but sadly this was not my 79 y/o mums experience.
9 months overrun, tiles falling and hastily put back, 2x4 for skirting, leaking guttering, a damaged flat roof and to top it off, an invitation to sort our differences outside!!!!!!!!!! Maybe this company works well with supervision, but on this occasion, they let our mum down. I could not recommend this company to anyone who is vulnerable by the job they did..
Ben Roberts
Jan 20, 2022 Report
We were recommended Trendy lofts by our neighbour who couldnt speak more highly of them. Reasonably priced and the team guided us through the conversion from start to finish. It was completed a lot quicker than expected. Perry and Jack were always responsive and Jannine was very helpful, keeping us up to date. would definitely recommend!
Nazim Ullah
Oct 14, 2021 Report
Positive:Professionalism,Punctuality,Quality,Value
Trendy Loft team were competitively priced and very helpful. More importantly, their contract team provided a quality, professional finish with continual advice from start. Very friendly company and certainly recommend them (will use them again if we ever move!). Thanks Zara
Tom Smith
Jun 08, 2021 Report
Perry and the team provide a first class service and would highly recommend to anyone. The team they have are efficient and clean and provide excellent feedback throughout the whole process.
Josh and Mitch as the builders were amazing and couldnt have asked for a more polite and pleasant team to work on the initial build. Happy to report everything is finished and to our satisfaction.
Emrah Piro
Nov 09, 2020 Report
We had a great experience with Trendy lofts. They worked quick, clean and nothing was too much trouble. Highly recommended.