The quick way to find a local House Extension specialist in Alton

In Square Construction Ltd.

House Extension

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*INSQUARE CONSTRUCTION LTD – Trusted Experts in Comprehensive Building Solutions* At INSQUARE CONSTRUCTION LTD, we specialise in delivering high-quality construction services across a wide range of projects, both large and small. Whether you’re looking to expand your home with a loft conversion, add an extension, or completely redesign your bathroom, our experienced team is here to bring your vision to life. With a dedicated team of skilled builders, electricians, plumbers, and interior specialists, we provide everything from design and installation to final finishes such as painting and decorating. Our expertise extends to exterior works as well, ensuring your property looks exceptional both inside and out. Having gained years of experience working for various firms and as independent contractors, we decided to combine our skills and knowledge to create a company that prioritises quality workmanship, reliability, and customer satisfaction. By collaborating with trusted subcontractors for larger projects, we ensure that every job is completed on time and to the highest standard. At INSQUARE CONSTRUCTION LTD, we pride ourselves on offering a comprehensive service tailored to meet the unique needs of each client. From initial consultation to project completion, you can trust us to provide professional, efficient, and cost-effective solutions for all your construction and renovation needs.

EcoHeights Roofing & Building LTD

House Extension

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⭐⭐⭐⭐⭐We are a family based company with years experience we thrive to be the best and trusted roofing and building company in London with or team haveing there training with some of the top schools in London you know for sure your getting the best at a reasonable cost every time with every project .⭐⭐⭐⭐⭐

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Reviewed by Daniel on 28/4/2026

Bradley Steel

House Extension

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Over 20 years experience within the construction industry , all work fully gauranteed and carried out to the highest standard .

Carswells Plumbing

House Extension

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Carswells construction & plumbing has been established over 10 year for a during that period of time we have built our business on reputation, word of mouth and dedication in order to provide our customers with the best possible services in all Building works specialise in extensions all building work & bathroom fitting.

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Reviewed by P on 20/10/2024

I recently had Luke and his team widen an opening between two rooms in my property, which was a sizeable job requiring the installation of a steel beam. The work was managed efficiently, and great care was taken throughout the project. I’m very pleased with the results and would highly recommend Luke and his team for their professionalism and attention to detail.

UNIQUE LOFTS LIMITED

House Extension

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We are a specialist Loft Conversion company with over 15 years experience. We offer a complete solution, design, planning and construction for your project. With references all over London you are welcome to view past projects. Call for a free quotation.

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Reviewed by Paul on 21/5/2022

Had a very positive with Mark and the Unique Lofts team for our loft conversion. I would highly recommend them. Michael and Brad (our team) were friendly, dedicated and hardworking. Our neighbours, who had the skip chute cross their garden, also shared how considerate and friendly they were. Michael kept me in the loop, followed up on my enquiries and gave some really helpful advice in moving airing cupboards and opening up the loft space for more natural light. All in all, highly recommended.

ASPRAY LIMITED

House Extension

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Our award-winning claims management service aims to help policyholders throughout the UK make successful buildings insurance claims caused by storms, burst pipes, accidental damage, fire, floods or other events which lead to the property owners needing to make an insurance claim. We project manage and carry out the required repairs using our fully vetted contractors. Aspray always strive to reinstate the property to its pre-incident condition as swiftly as possible. Aspray Ltd are authorised and regulated by the Financial Conduct Authority for claims handling only.

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Reviewed by John on 14/5/2023

Time 2 Refurb Interiors

House Extension

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Family team covering most trades. Hard working very tidy. Always aim to please. No job is to large or small. We cover almost every trade and do complete refurbishments inside and out. New extentions large and small. Garage conversion to little outside home office.

CW Fencing & Landscaping

House Extension

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We are Hampshire/surrey based landscaping professionals with over 10 years experience in the trade. We cover all aspects of landscaping. We pride ourselves with quality work at a competitive price. No job is too big or too small. Our services include - Fencing Turfing Paving Brickwork Artificial grass Driveways Repointing Garden maintenance

Apex Construction

House Extension

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Extensions · Renovations & Refurbishments · New Builds · Annexes · Groundworks & Landscaping Apex Construction Construction is a professional residential construction company based in Portsmouth , delivering well‑managed building projects across South West and West Surrey, Hampshire and West Sussex. ​ We work with homeowners who value clarity, proper planning and a proactive approach - people who want their project handled professionally, without constant involvement or uncertainty. Many of our projects are secured through direct appointment via word of mouth and repeat clients, reflecting the level of trust, accountability and continuity our clients expect. ​ Our approach is best suited to clients who value quality, organised delivery and the confidence of knowing their project is in safe hands. Our pricing is fair and competitive for the level of workmanship, management and service we provide, with a focus on delivering long‑term value rather than headline cost. ​ As well as taking responsibility for managing the build, we work collaboratively with our clients to ensure key decisions are clear, expectations are aligned and the finished result reflects what matters most to them. ​ While some projects are larger in scope, we also work on smaller, well‑considered projects for clients who value professionalism, sensible pricing and a hassle‑free delivery. Projects are clearly defined, properly planned and delivered in full, with many clients choosing to continue working with us on subsequent projects once trust and understanding are established.

BM Promanage Ltd

House Extension

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BM Pro Manage is a premium building company specializing in high-quality view extensions to expand properties, loft conversions, and luxury bathrooms and kitchens. The company is dedicated to delivering exceptional craftsmanship, innovative designs, and bespoke solutions tailored to each client’s needs. With a strong focus on quality, aesthetics, and functionality, BM Pro Manage transforms living spaces to enhance both comfort and value.

Latest homeowner review

Reviewed by John on 22/5/2025

I feel fortunate to have found Bartek and his band of builders. They have done some excellent work for me, very tidily and well done, and the price was fair. I recommend him without reservation. He is helpful, gives good advice, and always looks for the most economical solution without cutting corners. I give him five stars without hesitation.

DJS buildings services&maintenance

House Extension

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Bathroom fitter kitchen fitter General builder no job to small Your home respect always In trade 30 years learned on jobs as a young man older wiser professional work with pride

Latest homeowner review

Reviewed by Terry on 18/9/2024

Derek contacted me straight away to arrange a visit and quote. Straight away Derek’s presentation and attention to detail pleased me. This project was to update my mother in laws downstairs shower room, Derek recommended a retail outlet for the equipment with assistance over choices. We chose and accepted his quote, which included dismantling the existing fixtures and some build parts of the cramped room. All waste was removed, the project was completed 100% in just over 6 days to satisfaction, recommended.

CBS

House Extension

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At Chiossone Building Services we provide a wide range of services within the construction industry. With 7+ years in the building industry, CBS have the skills required to provide a stress free high standard of work. From completely renovating your garden/home, to making a simple change within your household, we will approach the job professionally and strive to make you happy with the end result. Thank you for taking the time to read my profile, looking forward to building my profile and reputation! Please check my social media pages for the most up to date photos of my projects. Marco Chiossone

OPENMIND BUILDERS LTD

House Extension

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Open Mind Construction has been established with the aim of offering affordability, reliability and quick action to fulfil customers expectations on every occasion. Our qualified and experienced team will do it's best to complete the task and satisfy the client. We are able to cope with every task whether you need full property refurbishment or just a small maintenance. We are covered by public liability insurance. We give free quotes with no obligations so please feel free to give us a call!

Bisley Builders LTD

House Extension

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Bisley Builders bring over 40 years of experience across all areas of construction, delivering high-quality workmanship on projects of all sizes. We specialise in extensions, refurbishments, new builds, loft conversions, and all aspects of building and groundworks. Our expertise also covers hard landscaping and driveways, creating durable, practical, and visually appealing outdoor spaces that add long-term value to your property. From initial planning through to completion, we pride ourselves on reliability, attention to detail, and clear communication, ensuring every project is completed on time, within budget, and to the highest standard.

ROTHSCHILD CONSTRUCTION LTD

House Extension

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Rothschild Construction Ltd. is a well-established carpentry and construction company based in Surrey, boasting over 25 years of experience in the industry. Specializing in general carpentry jobs, full project management, conversions, and cabinetry projects, the company is dedicated to delivering high-quality craftsmanship and comprehensive construction services. With a wealth of expertise accumulated over decades, Rothschild Construction Ltd. is equipped to handle a diverse range of projects, from smaller carpentry tasks to larger and more complex construction endeavours. The company's commitment to excellence is reflected in its meticulous approach to project management, ensuring that every detail is carefully considered and executed to meet or exceed client expectations. Whether clients are seeking skilled carpentry work, complete project management services, property conversions, or custom cabinetry solutions, Rothschild Construction Ltd. prides itself on providing top-notch service. The company likely has a proven track record of successfully completing projects, earning the trust of clients through reliability, professionalism, and a focus on delivering outstanding results. As a reputable construction company, Rothschild Construction Ltd. may also emphasize collaboration and communication throughout the construction process, ensuring that clients are informed and involved in decision-making at every stage. The company's dedication to customer satisfaction and its extensive experience make it a reliable choice for individuals and businesses in Surrey looking to undertake construction or carpentry projects.

Gareth Lewis Developments

House Extension

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Gareth Lewis Developments Ltd is as well established company boasting an outstanding amount of knowledge and experience in the Construction Industry. We have a highly trained dedicated team covering all aspects of domestic and commercial projects.

Latest homeowner review

Reviewed by David on 10/6/2011

Very helpful and good advice. Good quality workmanship.

GLS Carpentry

House Extension

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GLS Carpentry is a professional and efficient Carpentry and construction company based in Portsmouth, Hamspshire. Director George Simmonds is a hands on owner striving to lead his team to produce high quality craftsmanship on all project he oversees. With over 10 years experience in the building trade, George prides himself and his company on a strong work ethic and care about every quality and detail of his work which resinates to each member of the team

Kubel LTD

House Extension

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Our company KUBEL LTD has a team of specialist with more than ten years of experience in the field of construction, reconstruction of houses, roofs, extensions, gardens... Please, see pictures of our works below.