How it works
Post a job
Tell us about your job, and we'll alert suitable extension builders in Hornsey. It’s simple and free.
Tradesmen respond
Once your job is posted, you'll get responses from interested extension builders through the website.
Review and choose
Browse profiles, work history, and feedback, then choose who you wish to share your details with.
Browse Extension Builders near you
Browse extension builders near you, read profiles and contact them by inviting them to quote.
I've been working in building trade for over 20 years , I can undertake any job small and big from foundations to the roof and anything between. I can provide any references and I have insurance of £5 million. Me and my team take pride at what we do and we do it first... read more
Latest Extensions feedback review:
Side Return Extension in N4
As I write this I'm sitting in my STUNNING new extension by extension kings... Alban and his team did the most wonderful job. I'm the kind of person who needs help putting a picture up on a wall, so deciding to do an extension was a pretty...
We build, refurbish and extend buildings. Our strong regional presence allows us to foster trusting and beneficial working partnership with our customers, consultants, supply chain and local communities. read more
Latest Extensions feedback review:
Side Return/Extension
DPS completed a single story side return extension which we were really happy with. Ralf spent time with us during the beginning of the project to plan out timescales, price and ideas on finishing. The bit we most enjoyed with DPS though...
Qube Design&Build is an experienced Design & Construction company specializes in residential Extensions, Loft Conversions, Full refurbishments, New Homes and Contemporary Gardens.We undertake all design, planning & building control submissions, structural calculations and... read more
Latest Extensions feedback review:
Side Return and New Bathroom / Stairs
Working with Sam was brilliant... honestly it makes such a difference having an architect who is also in charge of the building work and vice versa. He's a great communicator, very trust worthy, efficient and with a keen eye for detail. I...
Bluelime is a one stop shop for all your planning, interior design , structural engineering and construction needs. With over 8 years worth of happy customers we pride ourselves with our honest and inventive solutions. Free initial consultations and proven track record of... read more
Latest Extensions feedback review:
kitchen extention
I have contacted blue lime today yo start this job
PAL LEE GROUP LTD is a London based full-service construction company carrying out its services over the capital. As a full-service construction firm, we have the ability to use our own team of skilled craftsmen along with a talented group of speciality contractors and other... read more
Latest Extensions feedback review:
Kitchen extension and fit out
Pal Lee carried out a kitchen side and rear extension in our flat. They have been very professional throughout the project, careful to detail and easy to communicate with. The result is outstanding. We are so pleased with the work carried...
The company’s success is built on the strong belief of quality work, attention to detail and on-time completion. Rea Construction Ltd has an in house team of builders, architects, and interior designers with all the relevant skills and qualifications which enable us to... read more
Latest Extensions feedback review:
Rear extension
We are nearly at the end of the project and so far we have nothing but positive things to say about REA Construction. Very professional and Renato is very easy to work with and flexible in his approach to the project. REA have done the job...
We are experienced and hard working team of professionals who carry out complete extension building and refurbishment projects. Our work speaks for itself. We move from a client to another purely through recommendations and our clients are always happy to share nice... read more
Latest Extensions feedback review:
General works on flat
Myco carried out some works to our leaking roof terrace which included: (i) diagnosing the cause of the leak, (ii) taking up and completely replacing everything above the roof timber joists, (iii) laying new tiling on the terrace, and (iv)...
GLORUM Limited is a London-based construction company with 10+ years of building experience in domestic and commercial projects. GLORUM Ltd is your one-stop construction company made up of highly qualified and skilled tradespeople, designers and engineers that can... read more
Latest Extensions feedback review:
Buildings extension - Permission granted
Glorum has been extremely professional and hard working. They fulfilled the deadlines given. They have good team of all trades. Their admin is strong as well. They give attention to detail and come up with new ideas and technology. Great...
We are a family run business with over 25 years experience. We specialise in loft, single and two story extensions and refurbishments. We take pride in our work, making sure the customer comes first when it comes to quality and satisfaction. It is never about how fast one... read more
Latest Extensions feedback review:
Completion of extension
David and Co Managed to turn things around for us following a previously botched extension by another builder. Davids a really pleasant person to have working for you and has a wealth of knowledge regarding construction. I wouldn't...
Hi there! My name is Gaz and I am a builder who has been in the building trade for well over 10 years. I have completed numerous jobs all over London and greater London, my specialities include; loft conversions, extensions as well as general refurbishments. My previous... read more
Latest Extensions feedback review:
Side & Rear Single Storey Extension approx 45m2
Gaz and his team were excellent from the first time we met. They provided us with ideas to better our layouts, helped with sourcing a number items and put us in contact with suppliers which helped us achieve more competitive prices. I was...
We are a family run building company , originally established in the East End of London back in 1971 , now operating from Essex, covering the whole of London and Essex. Approved by trading standards with a £5million public liability insurance. read more
Latest Extensions client reference:
J&N completed a two storey extension at the back of the house and added an en-suite to an existing bedroom. All the team were very polite and friendly and I had no qualms about leaving them in the house whilst we were at work. The work that...
We are RIBA registered architects with a wide range of experience of over 25 years within architecture, design and construction. We are experienced at new builds, full refurbishments, extensions and conversions, and have completed numerous residential and commercial projects... read more
Latest Extensions client reference:
Phil was great to work with, listened carefully to our aims and came up with lots of great ideas many of which we went along with. Once we decided how to proceed, he managed the process all the way through planning, including making...
At Geo Sky we have more than 10 years of experience in carrying out all aspects of the works related to your kitchen and bathroom starting from simply replacing the worktop, repairing the kitchen and bathroom units or design and complete refurbishment of your kitchen and... read more
Latest Extensions feedback review:
Single storey rear extension N5
We recently had a single storey rear extension and refurbishment of our flat completed by Geosky. From start to finish they were an absolute pleasure to work with, which I think is pretty rare to find! Their communication is 10/10, we had a...
We are family run business and have been in the trade since 2001. Our professional team will always give the best they can to achieve optimal results and most important for us are the finishing details and customer satisfaction. We can provide a range of different services... read more
Latest Extensions feedback review:
Rear Extension single storey
I am very happy with the work undertaken by Ionut and his team. From the initial engagement Ionut came prepared with the plans and talked through the job requirements to understand what we were looking to achieve. During the build I...
AMG places great emphasis on the importance of up to date methods of design and construction. As a key player at the forefront within the market place we specialize in building Extensions, Loft conversions, Drylining, ceilings, painting and decorating to complete internal... read more
Latest Extensions client reference:
Stefan did an extension for my flat from the installation of structural steel, to the roof, and demolition. To building the shell and all cosmetic work inside. I am very happy with the work. Time keeping was good, pricing was good he was...
Signature 1 Construction LTD is a family run business with over 20 years experience in the building industry. We specialise in extensions, loft conversions and full house refurbs. Every job we undertake we take great care of the clients house and are experienced project... read more
Latest Extensions feedback review:
Care Home Extension
I highly recommend signature 1 construction, the experience has been great from the start. Marin and his team are great and always explain each stage of the build and happy to answer any questions/anxieties you may have. Costa the foreman...
Mark and his team of 8 have over 100 years of trade experience between them. Each member of the team has honed their craft in a specific trade from bricklaying to plastering, extensions to renovations. Working so close to each other and as a team, they create extensions and... read more
Latest Extensions feedback review:
Kitchen extension
Mark and his team did an amazing job on our extension. We will shout it out from the rooftops. They walked us through all aspects of the build and where so friendly and clean. If we ever extend anything else we will look them up.
Our priority is your satisfaction. Take advantage of our professionalism and years of experience in the market. In addition, our trained staff will take care of the fastest and most effective solutions to your contract. Of course there is the personal approach and high care. read more
Latest Extensions feedback review:
Two storey side extension
This was our first project, and we were exceptionally fortunate to find Bujar. We're actually getting tired of hearing our family and friends tell us how lucky we are and how amazing he sounds. One of the most honest, trustworthy, and...
Craft of London are an established building company, specialising in design and build projects, creating bespoke interiors and homes. Our workmanship is of the best standard in London for either small, medium or grand designs. read more
Latest Extensions client reference:
Kel organized and project managed the taking down of a load bearing wall between our kitchen and conservatory and the following work to put it all back in order. Excellent communication throughout and a high quality of finish has left us...
Based in East London, Pioneer Concepts aim to improve the style, design and value of your property by offering design and build services that cater to all those needs. Pioneer Concepts can provide all building work services & technologies you require to transform your ideas... read more
Latest Extensions feedback review:
Ground floor rear single extension approx 15m2
Marcin and his fantastic team from Pioneer Concepts started our rear single storey kitchen extension at the end of July. This was the biggest project we have ever planned and we are so glad we chose Pioneer concepts. Marcin provided us with...
Trusted by experts
Don’t just take our word for it, homeowners love MyBuilder too. We’re proud to be rated by Mumsnet.