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

CALTOM CONSTRUCTION LTD

House Extension

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Caltom Construction has 40 years experience in the construction industry.We specialise in reinforced concrete construction.Nationwide but usually in and around London. Thanks Colin Lavelle Caltom Construction limited

1 SD Builder Expert LTD

House Extension

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Hello ! 1ST BUILDER EXPERT LTD ! We carry out any type of work in the field of construction, interior and exterior! INTERIOR: we can do any work in any field, bathrooms and kitchens, tiles, parquet, doors, furniture, electrical, plumbing, painting, windows and much more! EXTERIOR: we can do anything: extensions, fences, pavements (any type), concrete slabs, concrete/plastic or wood gates and fences, garden maintenance, sheds, roofs, brick and much more!

TYBIM

House Extension

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TYBIM is a well-established company which has built up a first-class reputation in the construction and property maintenance sector by successfully delivering high-quality services and projects. Our core values are quality and efficiency.

Latest homeowner review

Reviewed by Howard on 9/12/2018

(The work turned out to be considerably larger than originally thought). Everything about this company was excellent. There were no extra charged. I would recommend these people based on our experience with them.

Aubrey Construction & Maintenance

House Extension

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We are a small family run business, established in 1989 in honour of our late mother, Audrey. With decades of experience, we take pride in delivering high-quality workmanship in all types of construction work; new builds, refurbishment, extensions, garage & loft conversions, patio/driveway cleaning & repointing. Every project treated with care and professionalism no matter the size.

Ionut Builder

House Extension

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Hello, I am in the field of interior and exterior construction with over 10 years of experience.

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Reviewed by Brett on 26/7/2026

Johnathan Tree Surgeons & Landscaping.

House Extension

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I am working as a tree surgery for a very long time around 10 years i am very good at this job i know how to handle the jobs

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Reviewed by Khin on 21/10/2024

Good service.

MGW Roofing & Building Group

House Extension

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At MGW GROUP we pride ourselves on our commitment to excellence, quality craftsmanship, and customer satisfaction. Our team of skilled professionals is equipped to handle a wide range of services, ensuring your property is well-maintained and protected from the elements. Our Services Roofing Services Roof Installation: Whether you’re building a new home or need a roof replacement, our experts are here to provide durable and aesthetically pleasing roofing solutions. Roof Repairs: From minor leaks to major damage, our repair services ensure your roof remains in optimal condition. Roof Inspections: Regular inspections to identify potential issues early and extend the lifespan of your roof. Property Services Gutter Installation and Cleaning: Properly functioning gutters are essential for protecting your property from water damage. We offer professional installation and thorough cleaning services.

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Reviewed by Martin on 13/12/2024

Discussed on phone, arranged to meet at the property but didn’t show up, call or text - v poor communication

BO.RO Constructions LTD

House Extension

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We take proud in our work .our priority its our costumer.We undertake all kind of work from small to big projects.For a free estimate do not hezitate to contact us.

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Reviewed by Kambiz on 15/5/2024

Very efficient

Buildwell Construction Ltd

House Extension

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We offer an end-to-end client experience to ensure customer satisfaction every time. With a proven track record of delivering exceptional results along with a dedication to quality and exceeding expectations, we've been able to build trust with our clients offering them a peace of mind while we make their dreams into a reality.

Dawid Pec

House Extension

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David Property Maintenance Ltd. We offer: full bathrooms and kitchens refurbishment, house refurbishments, plastering, all kinds of flooring fitting, tiling, painting & decorating etc. Full insurance. Free no obligation quote will be provided.

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Reviewed by Mark on 10/6/2025

Victory Builders

House Extension

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We offer high quality building work all jobs ar fully insurance electric and plumbing coming with certificate jobs available for have look to understand how we work we always leave customers happy

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Reviewed by Tot on 11/3/2024

Victor and his team did a great job with fitting the electrics in the kitchen and plasterboarding the kitchen. They left the place clean and was reasonable with the price. I will certainly use them again.

Prime Build

House Extension

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Prime Build – We Build It Like It’s Our Own At Prime Build, we’re all about quality work, honest communication, and bringing your ideas to life. Whether you’re building your dream home, giving your place a much-needed update, or taking on a commercial project, we’ve got your back from start to finish. We’re a team of experienced builders who take pride in doing things right—no cutting corners, no surprise costs, just solid work and great results. What We Do: - Renovations & extensions - Custom builds - Kitchens and bathrooms - Groundworks - Bricklaying - Carpentry - Plastering - Commercial projects - Project management - Property development - We cover all aspects of the building trade Why Work With Us? - We’re licensed, insured, and easy to deal with - Clear quotes, no hidden fees - We show up, keep our word, and stick to timelines - Friendly team that treats your project like our own - Quality materials + skilled craftsmanship = lasting results At the end of the day, we love what we do—and we think it shows in every project we take on. If you’re ready to build something great, get in touch with us and let’s make it happen.

Latest homeowner review

Reviewed by Bruce on 29/1/2026

Hi Danny and co did a great job fixing my fire doors. Quick efficient and good workmanship. Will definitely use again infact I am

Derick's Home Improvements

House Extension

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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.

J.H BRICKWORK

House Extension

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Specialist in any type of brickwork house’s, extensions and garden walls etc no job to small reasonable quotes and a high standard of work.

Drayton Property Services

House Extension

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Drayton Property Services are a local family run business with over 50 years of experience. Our experience allows us to provide a wide range of services and advice, resulting in happy and satisfied customers. We aim to provide a top quality service, from a prompt response to your enquiry through to the completed works.

Latest homeowner review

Reviewed by Alistair on 13/8/2026

B.W Building Solutions

House Extension

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20+ years experience BW Building Solutions is built on a foundation of reputation, knowledge, and customer satisfaction. Specialists in Roofing, Loft Conversions, and Extensions, we cover all building needs, including Plastering  Joinery  Drainage Plumbing  Decking  Driveways and more..........

King Plumbing & Heating

House Extension

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I am a independent Plumbing and heating Engineer, I have been in the field for around 8 years. I take my work seriously and take pride in my work, and want to be of best service to each customer I meet. thanks wayne

Latest homeowner review

Reviewed by Gary on 23/7/2023

Excellent service!

Kris Guss

House Extension

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Construction & Renovation

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Reviewed by Jack on 13/12/2018

Kris was contracted to renovate my 4 bed home: chimney breast removal, structural engineering work to open up the living area and open plan kitchen, replastering walls including tearing down dated artex ceiling. Even out the floor of an old home with uneven planes and complete tiling and wood flooring, completely renovated two bathrooms and installing a utility room and a boiler, including a lot of plumbing work! He completed the job to a very high standard and is very reliable! On time & on budget!

THE GCD GROUP LTD

House Extension

View ProfileRequest a quote07908748102

GCD Developments is a multi-disciplinary property practice, covering property development, project management, architecture and interior design across London and United Kingdom. Whilst every project is unique, the philosophy behind each is unwavering: at GCD we strive to craft environments which are not just beautiful, but faultlessly functional.

Neil Chamberlain Property Services

House Extension

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Neil Chamberlain Neil has over 30 years of experience in the construction industry, where he has gained a comprehensive level of knowledge and a thorough and in-depth understanding of most trades and skills. Neil commenced his career in construction as a sub-contractor building loft conversions, primarily in West London, and was awarded by The Federation of Master Builders for an exceptional conversion in Wimbledon. Neils recognised high standard of work has secured many diverse construction projects, including the substantial renovation of Period Houses, including listed buildings, single and double storey extensions, detached new build projects, an award winning Chelsea landscaping and garden design, as well as commercial buildings. Neil has worked as part of a team, as a main contractor and has also project managed all elements required in completing building projects large and small successfully. Property Service, (NPS) is a family owned and run business, bringing an extensive level of ability to benefit our clients projects. Whether you require property maintenance or are planning something more substantial our team will assess your requirements and put in place a tailored package for you, from an appropriately detailed quotation on smaller projects, to an all encompassing design and build service, including - planning, building control and a detailed costed schedule of works, we have the experience and background to meet your requirements.