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Viktor and his team thanks so very much for all your hard work these guys know how to give a professional job very approachable nothing too much trouble they just get on with the job so we didn't have too worry would have them back in a heartbeat

Linda

Andy was super fast getting touch, provided a great service at a reasonable price and kept me well appraised of all aspects of the job throughout. I am very happy with the service provided and would highly recommend him.

James

Lee and his team worked incredibly hard and communicated well to let us know when they would be doing the work. They were always professional and courteous and often worked on weekends to speed up the work. We are really pleased with the quality of the finish and would thoroughly recommend the company.

Ian

Browse reliable Loft Conversion Specialists in Welwyn

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TCL Building and Landscapes, friendly professional service.

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Reviewed by Paul on 8/3/2024

Quick response and turn around

I prioritise in providing a good quality bespoke service for customers. I have more than 30 years experience in the business with a large clientele. I specialise in home renovations, no job is too big.

I am a building contractor specialising in residential renovations, extensions, and loft conversions. I work closely with homeowners to deliver well-managed projects, clear timelines, and quality workmanship from start to finish. My services cover full and partial renovations, property extensions, loft conversions, and general building works. I focus on proper planning, coordination of trades, and maintaining high standards throughout every stage of the project. I have hands-on experience across a range of residential building projects and ensure all work is carried out safely, professionally, and in line with current building standards. I only work with experienced and reliable trades, and I make sure sites are kept organized and respectful of the client�s home. Clear communication, honest pricing, and attention to detail are key to how I work. My aim is to deliver durable, well-finished results that add real value to the property and give clients confidence throughout the build.

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Reviewed by Austin on 11/3/2026

Great person to work with.

Alexander's Carpentry Ltd was founded in 2005 specialising in Carpentry & Joinery. Company has gradually expanded offering best possible customer service and employing excellent skilled trades people. We offer variety of services from bespoke fitted furniture to complete property refurb as well as retail and office fit out service. 90% of our work comes from repeat customers and recommendations.

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Reviewed by Sean on 26/11/2016

Big thank you to Alex and his team. Excellent refurbishment of my kitchen and bathroom. Finished to a very high standard. Alex has a great eye for detail and takes much pride in his work. He has been flexible and accommodating with his work schedule, and understanding of delays that I caused. There were no unexpected costs and excellent value. Highly recommended.

Our company is made out of hard working individuals with more than 30 years experience in the construction industry. We are specialised in loft conversions even though we can do any construction related work in any buildings. We have experience in loft conversions, painting, tiles placement, shutter carpenter work, brick work, laminate flooring, insulation placement, kitchen and bathroom fitting, plasterboard placement and many more. As we are new to this website we would appreciate some positive feedback after finishing the related work.

Hello, I have been a plasterer for 18 years and building for 25 years. Plastering is my main trade but I am a good brick layer and general builder.

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Reviewed by Ema on 30/5/2017

Polite speedy response, unfortunately needed the job completed asap and he was busy this week. Would contact again for future work

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Go Pro

Loft Conversion Specialist

Protect your most valuable asset and the contents inside; hire Gopro Roofing to provide you with first class roofing services for very affordable and competitive prices. At Gopro roofing we specialise in providing high quality roofing installations for residential, commercial and industrial clients throughout London and the Home Counties. Drawing on over 30 years of industry experience, we offer the complete roofing service, providing everything from flat roofing and single ply systems to green roofs, waterproofing systems and chimney refurbishment. We specialise in all aspects of roofing services, including: * Single ply systems * Pluvitec * Lead work * Topseal systems * Europolymers * Waterproofing * Velux windows * Flat roofs * Guttering * Cladding, fascias and soffits * Rooflights * Insulation * Carpentry * Pointing * Maintenance. * New roofs * Emergency repairs We have a reliable, honest and highly skilled team of roofers, which enables us to offer you one of the most professional and cost effective services, not only in London but throughout the South East. We offer the complete roofing service; from major re-roofing projects to minor domestic roof repairs that are not only competitively priced but also providing you with peace of mind.

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Reviewed by Marilyn on 20/4/2025

Here At Redwood Roofing and Building Ltd, we are a family-run business built on a foundation of trust, craftsmanship, and dedication to excellence. Led by Managing Director Mr. Patrick O’Brien, our company has earned a strong reputation for delivering reliable, high-quality roofing and building services across the region. We believe that our next job is only as good as our last, which is why we treat every project—no matter how big or small—with the same level of care, attention, and professionalism. From the very first consultation through to project completion, we work closely with our customers to ensure that every detail is handled with precision and pride. Our team is made up of skilled, fully qualified tradesmen who share our commitment to quality workmanship and exceptional customer service. We take pride in the standards we uphold and the results we achieve. Every roof we repair, replace, or construct is built to last—because we understand that your home is one of your most important investments. We only use the finest materials available on the market, ensuring durability, weather resistance, and long-term performance. Whether it’s a new roof installation, flat roofing, roof repairs, fascia and soffit replacement, or general building work, we never cut corners. Our goal is to provide a service that not only meets but exceeds expectations—leaving every customer completely satisfied. Reliability and honesty are at the heart of everything we do. We arrive on time, keep our promises, and maintain transparent communication throughout every stage of the job. Our customers appreciate our straightforward approach, professional attitude, and dedication to doing things the right way. At Redwood Roofing and Building Ltd, we don’t just build and repair roofs—we build lasting relationships based on integrity, workmanship, and trust. We take immense pride in the reputation we’ve earned as a dependable local business that always goes the extra mile for our clients. If you’re looking for a trusted, family-run company that combines traditional values with modern expertise, look no further than Redwood Roofing and Building Ltd. We would be delighted to discuss your project and provide a free, no-obligation quotation. Redwood Roofing and Building Ltd – Quality, Integrity, Reliability.

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Reviewed by Paul on 7/10/2025

Gutter repair/replacement/cleaning work on my roof carried out to a high standard and to my full satisfaction. Guys were all polite and professional. Would not hesitate to use again.

Danny General Builders specialises in structural work, extensions, refurbishing, loft conversions, roofing, fitting bathrooms and kitchens, and painting and decorating. All employees have more than 10 years experience and are insured.

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Reviewed by paul on 1/8/2023

Danny did an absolutely great job with my set of alcove shelves. He was friendly, diligent, extremely polite and did an excellent job. Highly recommend

I have 16 years experience with all building and landscaping works. I am a City and Guilds qualified plasterer. Spent beginning of my career assessing and carrying out damp proofing, then learnt and carried out work in all different trades whilst contracting for Westminster council. All my work is carried out to the highest standard and will not leave the job until customer is happy. I only take on one project at a time, thus being able to give ultimate service. Fully insured up to £5 million My services: Extensions Refurbishments Conversions Plastering Damp proofing Driveways Patios Garden walls Fencing Turfing Artificial grass Decorating Tiling Handyman service Groundwork’s Flooring

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Reviewed by Peter on 5/4/2023

Communicated well, completed the job to a high standard within the quoted timeframe and left the room clear and tidy after the work was done. Explained things clearly, gave me some useful advice about redecorating and was an all-round nice guy with professional attitude.

We are a family run business that carried out all forms of work to your Domestic and commercial needs in the home maintenance and cleaning industry. We are the all in one contractor offering a truly flexible service to suit our client’s needs.

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Reviewed by David on 9/5/2023

Janos and Peter did a wonderful job stripping out the old bathroom and installing a new one. Every aspect of the job was perfect. They were punctual, tidy workers and nothing was too much trouble for them. The finished job was outstanding. I can not recommened highly enough. Just great.

Hi I’m alin, I’ve got over 20yrs experience in construction and building. With over 20 years’ experience, i focus on providing all types of building and construction maintenance, giving each customer an outstanding quality of service with competitive prices and the highest finish, which is made to last. I’m skilled in drylining, plastering,carpeting, painting and decorating,extensions,tiling,plumbing electricity, electrical ?etc

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Reviewed by Sarj on 30/3/2026

Marshfield Roofing is a trusted and reliable roofing service provider with over a decade of experience in the industry. As a sole trader, I take immense pride in delivering high-quality workmanship and ensuring customer satisfaction. Fully insured and committed to excellence, I offer a comprehensive range of services including repairs, new roof installations, moss removal, gutter and fascia maintenance, and pressure washing. No job is too small for Marshfield Roofing. Whether it's a minor repair or a complete roof replacement, I approach each project with professionalism and attention to detail. With a focus on reliability and integrity, I strive to exceed customer expectations and provide durable solutions that stand the test of time. Clients can trust Marshfield Roofing for dependable service, transparent communication, and competitive pricing. With a solid reputation built on years of dedicated service, I am committed to maintaining the highest standards of craftsmanship and ensuring the longevity and integrity of every roof I work on.

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Reviewed by Daljit on 11/3/2023

Great work, super attitude and great client relationship

My company under takes most home improvement work ie:fencing flooring painting decking paving etc

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Reviewed by Andy on 21/8/2015

Ken came round, agreed a price and date to do the work then just didn't turn up. Not the best really.

General maintenance with many years experience on plumbing and carpentry and decorating City&guilds qualification

ID GENERAL BUILDERS are aLondon based building firm that have the skils and experien?e to fulfil your construction needs If you are thinking about commencing work on your property and need a professional firm to provider afree no-obligation quotation why give us a call on and see how we can help

Welcome to Dan Construction! You've come to the right place, we pride ourselves on being the best at what we do. We have a team with a wealth of experience in the industry that will do the utmost to ensure you are happy with the service. Please get in touch for a free obligation quote.

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Reviewed by Mark on 3/3/2023

Do not trust this man! He did a runner without completing the work, and the work completed is shoddy. Avoid like the plague, and save yourself the headache

Platinum Project is a professional home improvement company working across London, High Wycombe and surrounding areas, serving both residential and commercial clients. We focus on quality workmanship, clean finishes and well managed projects, delivered with clear communication and attention to detail. For full details about our services and recent projects, please visit our website.

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Reviewed by Meghan on 2/4/2024

Stellian and his colleagues were amazing! They went out of their way to make sure their work was high quality and long lasting. They were always on-time and communicated at each stage

All kind of work undertaken with the experience of 14 years !!

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Reviewed by Jonathan on 13/5/2025

Help with a job in the garden removing bushes. Very helpful, friendly and punctual with completion of the job. Would recommended for further use.

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