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Craig got in touch quickly, gave me a rough estimate over the phone and answered all my questions. Surveyor arrived on time, gave instant quote. Price was good. Michael and (another) Craig turned up to do the job on the day, time given. Good, tidy job. Can't fault anything, from start to finish!! Would recommend!

Mary

George and his team are experienced builders, replaced my front door with a custom frame/sidelights and raising the floor level in the hallway quite quickly - in fact, they were the only who came next day, gave a quote straightaway and were ready to start in just couple of days. They also had all the necessary tools and materials, were ready to buy something additional quickly on the day - if further adjustments were required to fit everything as I asked. Thanks a lot for your help, guys!

Dmitry

Highly recommend. These guys did a fantastic job of constructing our pergola and decking. Very hardworking and reliable. The job was completed in the time frame agreed and to a very high standard. We would 100% use them again.

Holly

Browse reliable Builders in Knebworth

Take a look at rated Builders serving Knebworth, read reviews and submit your job for free.

KCL Design LTD specialises in the installation and restoration of hardwood flooring. We offer high quality service all at a competitive price! Please don't hesitate to call us for a free quotation.

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Reviewed by Charlie on 3/7/2025

Highly recommend Kris! He originally came to sand 15 of our steps, but he was doing such a great job that we asked him to complete the remaining 14 as well. Kris was reliable, punctual, and communicative throughout. He was also really flexible when we needed to pause the work for a few days to host guests, which we really appreciated. He gave us great advice along the way, and the stairs now look absolutely amazing. Thank you, Kris!

Plum Building Services Ltd is a building company based in London. We work for both landlords and private home owners on new builds, extensions, refurbishments, repair and maintenance. No job is too big or too small. Quality is our guarantee.

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Reviewed by Philippa on 28/10/2025

Greetings. My name is Hughie. I have over 20 years of experience in plumbing, leak detection, and bathroom installations. My team and I pride ourselves on delivering the best quality work to our clients and ensuring all clients are happy with our work and service. We also have Tradesmen who can undertake any work you may require, who always look to go the extra step for our clients. Our main focus is leak detection, we have all the necessary high-tech equipment to efficiently diagnose and quickly repair ANY leak, blockage or drainage issue, we are available 24/7 to come out to your premises to swiftly resolve any issue you are facing. We have full Public Liability Insurance, and offer discounts to the vulnerable and OAPs, Hope to be in contact shortly, Hughie

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Reviewed by Kike on 23/12/2024

AVOID AT ALL COST and it is the right company. Don’t pay him or his partner Nick Moules any money. Nick will probably visit your home within a couple of hours of posting the job (making you feel confident that your job will be finished as quickly as you need it to be) send you links to the materials to be purchased, ask for deposit and then stop all forms of communication. They will quote +/- £20 to the other tradesmen. Should be banned on this site.

Lightelectrics.co.uk Light electrics & renovations bring excellence to the electrical industry whether thats changing a socket, installing spot lights to a full house rewire! We cover everything! With our latest expansion we are now able to offer complete refurbishments on properties as well as construction and building requirements. With a combined 30 years experience across these industries, there’s nothing we can’t handle!

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Reviewed by Margaret on 5/12/2025

I’m happy with the work Reece done. I would be happy to recommend him

PASSAS FLOORING SERVICES SUPPLY, FIT & RESTORE QUALITY BESPOKE FLOORING TO THROUGHOUT LONDON AND ABROAD. WE SPECIALISE IN WOOD FLOORS, PARQUET FLOORS,ENGINEERED FLOORS AND SOUND PROOFING FLOORING IN LONDON.

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Reviewed by Daniel on 6/7/2025

we are a proud professional family run business with over 100 years combined experience team members we take on all exterior property work all work comes with our standard company guarantee SAFE CHOICE ROOFING ITS YOUR CHOICE TO CHOOSE THE SAFE WAY

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Reviewed by Ssatu on 22/12/2025

Roof repair done - the roof is still leaking, warranty certificate not produced. Have tried to contact them - emails and phone numbers not responding - whatsapp messages too - no response. Need to reach out to me to resolve this job.

hello, I am a responsible person, I have more than 10 years of experience in construction, painting and decorating, flooring, tiling, carpentry, plumbing, and more... I do my best to keep the client happy... contact me if you want a good quote for your work! I Regards:ION

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Reviewed by Tracey on 8/2/2026

We are very happy with the refitted Kitchen and all bedrooms redecorated, and carpet Ion laid for us. Ion was reliable, hard working, efficient, friendly, and keen to help us ensure we had the right kitchen, and bedroom redecoration for our needs. Ion took pride in his work, and ensured it was finished to a high quality, and completed it in a timely manner. Thank you Ion, we will definitely be using you, for further work .

We specialise in all type of carpentry services in London and surrounding areas,from installing shelvs,fitting doors, to fitted wardrobes and new storage units,fit kitchens,flooring,decking etc. Don't hesitate to call us for a free quote!

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Reviewed by Robert on 30/6/2024

Simply great, came round took notes, went through all we wanted, gave quote including materials, required 50% up front rest on completion, turn up as agreed, said it would take a week but done in 4 days! We added a few minor things as we remembered them but no hassle, added them in. Very happy with results.

Empire Roof Care is a trusted roofing company with over 20 years of experience providing high-quality roofing services. Specializing in everything from roof repairs to complete new roof installations, we offer a wide range of solutions including fiberglass roofs, felt roofs, and comprehensive guttering services and all chimney work. Our team is dedicated to delivering exceptional craftsmanship, attention to detail, and customer satisfaction. Whether you need a quick repair or a full roof replacement, Empire Roof Care is committed to ensuring the longevity and protection of your property with reliable, professional service. We are fully insured up to 2 million. All work is fully guaranteed we also do free drone Surveys

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Reviewed by Nick on 4/2/2026

O'reilly's gutters is a family run business we have been operating in Bedfordshire and some of the surrounding areas 15 years we specialize in gutter cleaning gutter repairs gutter installation gutter replacement facial and soffits replacements and repairs also we do minor roof repairs

Property Renovation & Decorating Services "Excellence in Construction, Passion for Detail" With over 17 years of solid experience in the construction industry, our team provides comprehensive renovation and interior decorating solutions designed to bring your vision to life. Led by Emy, a professional renowned for his rigor, integrity, and craftsmanship, we are committed to delivering every project to the highest standards of quality. Our Services We offer a wide range of construction and finishing services, professionally managed from initial concept to final handover: Extensions & Conversions: Expert loft conversions, home extensions, and new builds. Full Renovations: Complete modernization of houses and apartments, including bespoke kitchen and bathroom installations. Premium Finishes: High-end interior and exterior painting, professional plastering, and precision tiling. Flooring: Installation of solid wood, engineered flooring, and carpet fitting. General Building: Structural repairs, general maintenance, and full-scale property refurbishments. Why Choose Us? Our reputation is built on four core pillars that ensure every client receives exceptional service: Attention to Detail: We believe perfection is in the finishing touches; every task is executed with surgical precision. Timeliness: We respect your schedule and strictly adhere to agreed deadlines. Transparency: Open communication and honest, competitive estimates with no hidden costs. Proven Expertise: Over 17 years of successful projects and satisfied homeowners. Contact Us for a Free Estimate Ready to start your home transformation? Contact us today for a free consultation and a personalized quote.

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Reviewed by David on 19/11/2025

Sinevir Construction is your trusted partner in construction with over 15 years of experience. We offer a full range of services, including plumbing, tiling, bricklaying, plastering, carpentry, bathroom installations, and building homes from the ground up. We guarantee high quality, adherence to standards, and timely project completion. Our team of professionals uses the best materials and advanced technologies to ensure durability and reliability. We also provide competitive prices, offering an excellent balance of quality and cost. We value open collaboration and consider all your preferences at every stage of the project. Clients choose us for our professionalism, accuracy, and commitment to quality. With Sinevir Construction, your construction dreams become reality, backed by superior results and the best fair pricing.

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Reviewed by Raz on 28/9/2025

Outstanding job. Completely transformed the space. The guys were flexible (with my availability), worked really hard and kept me informed throughout the process. Will definitely get them in again to quote on other work I need to have done.

Providing a professional Painting, Decorating and Plastering Service both Internal & External. My services include but are not limited to; Plastering- Skimming Internal Painting & Decorating Door / Window Painting External Wall Painting I pride myself and am dedicated to providing high quality workmanship to ensure all of my customers are completely happy and satisfied.

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Reviewed by Joe on 11/12/2025

Vio and his team went above and beyond to deliver outstanding service. Their professionalism and dedication truly set them apart, and it’s clear why they’ve earned a five-star rating. I’m grateful for the excellent support and wish them continued success

Wallace Roofing Ltd — Reliable, high-quality roofing services you can count on. Specialising in roof repairs, replacements, and new installations. Fully insured, dependable workmanship, and customer satisfaction guaranteed.

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Reviewed by Kate on 15/1/2026

I am so pleased with the work that Alfie has done. He started work quickly, was trustworthy and very reasonably priced. I will definitely contact him again if I need further work on my house. Highly recommend.

services maintenance?

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Reviewed by SPENCER on 3/2/2026

Alex's Decors: Your Trusted Partner in Painting, Decorating, and Handyman Services Welcome to Alex's Decors, proudly serving the St Albans community and surrounding areas with over 5 years of dedicated experience. We specialize in providing top-notch painting, decorating, and handyman services to both residential and commercial clients. Our Services: Painting and Decorating: Interior and exterior painting Wallpaper installation and removal Decorative finishes Color consultation and design advice Surface preparation and repairs Handyman Services: Furniture assembly and installation Carpentry repairs and installations General home maintenance and repairs Fixture and fitting replacements Fencing Why Choose Alex's Decors? Expertise and Experience: With over 5 years in the industry, our skilled team brings a wealth of knowledge and craftsmanship to every project. Quality and Attention to Detail: We pride ourselves on delivering high-quality results, ensuring every detail meets your expectations. Reliability and Trustworthiness: Our commitment to reliability means you can trust us to complete your projects on time and within budget. Customer Satisfaction: We prioritize our clients’ needs and work closely with them to achieve their vision, ensuring complete satisfaction with our services. At Alex's Decors, we believe in transforming spaces and enhancing the beauty and functionality of your home or business. Whether it's a fresh coat of paint, a new look for your interiors, or fixing those nagging repair issues, we are here to help. Contact us today for a free consultation and let us bring your vision to life!i

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Reviewed by TONY on 10/10/2024

I'm afraid that Alex DECORs had to return to site as he had over-drilled into the brickwork and the metal gate hinges started to fail after 2 weeks! . I even had to spend another £16 on strong adhesive to complete the repair. Incompetent. And he refused to issue me with an invoice. Please avoid.

Here at Prestige building contractors we cater for an array of different services from waste removal to full renovations and extensions or even maintenance for your existing property. Please don’t hesitate to contact us for a free friendly quotation or any assistance.

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Reviewed by Nicholas on 23/1/2026

Danny from Prestige got in touch within minutes of the job being posted. He promised to come first thing the following morning, and kept his promise. He fixed a leaky spigot and a tap corroded into no longer turning. I was very satisfied with his work.

Been trading for over 35 years now

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Reviewed by Jacqui on 26/8/2025

All the work was completed smoothly and to a great standard. Pleasant guy to deal with.

We offer a comprehensive range of building services to residential and commercial customer. With a professional team of experienced trades men such as plumbers,electricians,decorators and carpenters.We cover all aspects of work from start to finish.

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Reviewed by Colin on 6/9/2024

Jan and David were immediately available to refurbish our downstairs toilet. Was very polite and did a lot of other stuffs for us as well. It's looks a look better than before and we are happy with it.

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