The quick way to find a local Cellar & Basement Conversion specialist in Knebworth

IMPRESS EUROPE LTD

Cellar & Basement Conversion

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Impress Europe Ltd is a full service construction company offering comprehensive solutions for residential, commercial and industrial projects. From design and planning to building and finishing, we handle everything - including new builds, extensions, loft conversions, renovations, landscaping and custom projects. Our team of skilled professionals are committed to delivering quality, safety and excellence in every job. We pride ourselves on reliability, clear communication and building long lasting relationships with our clients. Choose Impress Europe for all your construction needs - one company, every solution.

Simicus Construction LTD

Cellar & Basement Conversion

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This is Simicus Construction Ltd, we are a team of builders with over 20 years of experience in the Construction Industry.

Derick's Home Improvements

Cellar & Basement Conversion

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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.

AJW Specialists

Cellar & Basement Conversion

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We are a diverse and efficient business covering all aspects of the building trade. Myself I studied at college as a bricklayer city guilds qualified. I can turn my hand to most jobs and look to offer a friendly and reliable service.

DMP Building

Cellar & Basement Conversion

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We are company run building over 6 years of experience enhancing homes off all types. We are highly versatile, and have the expertise and equipment to undertake any builder work to mach your vosion. We work hard to provide results that are nothing but the best for our respected costumers and we ensure to deliver a flawless finish and complect project on time. Thanks so much for considering our bid, and please contact us more about your project.

GL BUILDING AND LANDSCAPING SERVICES

Cellar & Basement Conversion

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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

Latest homeowner review

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.

A-TECH BUILDING SERVICES LTD

Cellar & Basement Conversion

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A-TECH BUILDING SERVICES LTD is a building company based in St Albans & Toddington, we are a family run business who pride ourselves on our workmanship. All our staff are time served and have many years experience in their given trade. Please see our website.

Latest homeowner review

Reviewed by Shahim on 21/1/2026

SAS RESOLVE LTD

Cellar & Basement Conversion

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GETTING YOUR PROPERTY REPAIRED IS OUR NO.1 PRIORITY. We are Concept Claims Solutions Buckinghamshire. An end to end project management service to return residential and commercial premises back to their pre-loss condition following our tried and tested processes and systems. With over 20 years of experience; Our system allows the complete cradle to grave management of both a property insurance claim and private renovation job from first notification through to settlement. As Principle Contractors, we undertake all aspects of property repair, rectification and renovation. SAS Resolve Ltd trading as Concept Claims Solutions (North Bucks) is an Appointed Representative of Citrus Compliance. Citrus Compliance is a trading name of Andrew Smith which is authorised and regulated by the Financial Conduct Authority. Concept Claim Solutions (North Bucks) is a franchise owned and operated under license, with a registered name of SAS Resolve Ltd. Registered Address: Jubilee House, East Beach, Lytham St.Annes, Lancashire, United Kingdom, FY8 5FT. Registered in England. Please note that photos are for illustration purposes only.

bs building service

Cellar & Basement Conversion

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B S Building Services

Latest homeowner review

Reviewed by Mick on 27/7/2025

Bartek arrived promptly explained what we needed doing took pictures Recieved a quote from him happy with everything 2 weeks later on Sat morning arrived completed work's exactly what we wanted proficient and cleaned totally when finished would 100% hire him again

JJ'S Landscapers

Cellar & Basement Conversion

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JJ's Landscapers is a reputable landscaping company that brings over a decade of valuable experience to homeowners. Our primary goal is to create and maintain breathtaking outdoor spaces that surpass our customers' expectations. We understand the importance of personalized service, which is why we prioritize our clients' visions and requirements above all else. Our dedicated team of professionals excels in a wide range of landscaping services, including lawn maintenance, garden design, irrigation systems, hardscaping, and more. By hiring JJ's Landscapers, homeowners can expect meticulous attention to detail, timely project completion, and an unwavering commitment to customer satisfaction. We take pride in transforming ordinary properties into stunning havens, enhancing curb appeal, and providing a tranquil environment for relaxation and enjoyment

Capital Builders

Cellar & Basement Conversion

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www.capitalbuilders.uk The Secret of our successful projects is the provision of upmost customer’s satisfaction. All our projects are carried out by a team of skilled and highly qualified professionals by using the most up to date techniques, materials and tools which will fulfill every single requirement of the customer. The quality of our work is always to the highest standards regardless of the size of complexity of the job. We try to make sure that all our services are reasonably priced; this is to make sure that our customers get the best value for money. Therefore, the majority of our work is through repeat business and from word of mouth recommendations.

Latest homeowner review

Reviewed by Franco on 26/7/2026

Ray has done excellent job unsulating our loft and boardering it up. He and his team were quick, tidy and professional. We are happy with the result, and are also impressed that they tidied up everything after themselves. We will definetely recommend them and hire again in the future.

Exclusive Property Maintenance LTD

Cellar & Basement Conversion

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We are proud to be a top rated, reliable and well respected company with a fantastic team of experts providing outstanding levels of service when it comes to plumbing painting tiling bathroom and kitchen fitting and full house renovations in London and surrounding areas. We carry out all types of work, no matter the size - from small plumbing maintenance jobs such as leaking taps or burst pipes and other domestic work, right up to large installations such as Full house renovation. All of our work is fully guaranteed and we offer professional and efficient Handyman services near you at a competitive cost. Our aim is total customer satisfaction. Not only do we retain our client's custom over many years, they also become our ambassadors recommending us to their relatives, friends, neighbours and business associates.

Latest homeowner review

Reviewed by Wayne on 17/7/2025

Shout out to my brother from another mother. Pleasure having Nik and his boys Ray, Rod and John working on this project. Sometimes in life you have to take a leap of faith and Nik has 100% restored that faith with extreme commitment and professionalism on top of a beautiful finish.

JW Son Roofing

Cellar & Basement Conversion

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JW Son Roofing Raising the Standard in Roofing At JW Son Roofing, ltd we don’t just build roofs—we build confidence, security, and peace of mind. Your roof is your property’s first line of defence against the British weather. It protects everything beneath it, from your family and belongings to your business and investment. That’s why we believe every roof deserves expert craftsmanship, premium materials, and uncompromising attention to detail. Our reputation has been built on hard work, honesty, and consistently delivering outstanding results. Every project we undertake, whether it’s a small repair or a complete new roof installation, receives the same dedication to quality and customer satisfaction. When you choose JW Son Roofing, you’re choosing a roofing company that takes genuine pride in every tile laid, every ridge secured, and every customer served. Why Homeowners Trust JW Son Roofing Choosing the right roofing contractor can make all the difference. That’s why so many homeowners and businesses continue to recommend JW Son Roofing. We understand that investing in your roof is one of the most important decisions you’ll make for your property. That’s why we focus on delivering exceptional workmanship, transparent pricing, and outstanding customer care from the very first phone call. Our aim is simple: To provide roofing solutions that are built to last, competitively priced, professionally installed, and backed by a commitment to excellence. Complete Roofing Services Whatever your roofing requirements, JW Son Roofing has the knowledge, experience, and equipment to get the job done properly. We specialise in: • New Roof Installations • Complete Roof Replacements • Roof Repairs • Emergency Roof Repairs • Slate Roofing • Tiled Roofing • Flat Roofing Systems • Garage Roofs • Extension Roofs • Porch Roofs • Chimney Repairs • Chimney Repointing • Lead Flashing • Ridge Tile Repairs • Dry Ridge Systems • Dry Verge Systems • Fascias • Soffits • Guttering • Downpipes • Roof Cleaning • Moss Removal • Storm Damage Repairs • Roof Inspections No matter the size of the project, we approach every job with professionalism, precision, and pride. Built to Last Anyone can put tiles on a roof. Not everyone can build a roof that lasts for decades. At JW Son Roofing, we believe quality starts long before the first tile is fitted. It begins with careful planning, quality materials, skilled workmanship, signed John

Latest homeowner review

Reviewed by Richard on 4/9/2026

PRIME UK CONTRACTORS LTD

Cellar & Basement Conversion

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WHAT WE OFFER BUILDING SERVICES Prime UK Contractors is a London-based construction company providing high quality work for a reasonable price. Our projects are always finished on time. Our priority is the satisfaction of our clients. Our team consists of skilled, experienced builders who will help you execute your dream project. Services we offer: Loft Conversions House Extensions Complete Remodelling Kitchen Remodelling Bathroom Remodelling Plastering Cladding Home Interior Carpentry Decorating Drylining and Plastering Steel Frame Systems Dry Lining

MJJ Builders

Cellar & Basement Conversion

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MJJ BUILDERS LIMITED .

Latest homeowner review

Reviewed by Kate on 7/7/2023

Great service, very quick response time, really helpful collecting and installing a new washing machine. Would highly recommend. Thank you

ZAMFIR LTD

Cellar & Basement Conversion

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I am a self employed, multi skilled handyman, I have over 30 years of experience in civil and residential construction, experience gained on sites around the world, such as: Italy, France, Belgium and Luxembourg, (Europe) Kuala Lumpur, Nagasaki, Mali , Singapore, (Asia) Sao Paolo, Rio de Janeiro, Salvador and Recife (South America). I'm in England to learn English better, and during this time I'm working to win. I can execute the whole range of construction works from the foundation of a house to the key. They have a team of collaborators of up to 8 people, all with good manual and building experience

First Choice Roofing & Damp Specialists

Cellar & Basement Conversion

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First Choice Roofing & Damp Specialist is a trusted roofing and damp proofing company dedicated to delivering high-quality workmanship and reliable solutions for homeowners and businesses. With years of experience in the industry, we specialise in all aspects of roofing, including roof repairs, new roof installations, flat roofs, chimney repairs, fascias, soffits, guttering, and emergency roofing services. We are also experts in damp proofing, condensation control, timber treatments, and property preservation, helping to protect homes from moisture damage and structural issues. At First Choice Roofing & Damp Specialist, we pride ourselves on honest advice, competitive pricing, and exceptional customer service. Every project is completed to the highest standards using quality materials, ensuring long-lasting results and complete customer satisfaction. Whether you need a minor roof repair, a complete roof replacement, or professional damp treatment, our experienced team is committed to providing dependable,