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  2. Hire a tradesperson

    Tradespeople respond

    Once your job is posted, you'll get responses from interested extension builders through the website.

  3. Leave feedback

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    Browse profiles, work history, and feedback, then choose who you wish to share your details with.

  • RAPID BEE

    Extension Builder working in Forest Hill
    Trade Member since 2016

    Let us introduce our high-quality construction company under the name of RapidBee.The company has grown from strength to strength and successfully completed many projects. We specialize in extension work, loft conversions, and internal refurbishments, from foundations to read more

    Latest Conversions - General feedback review:

    Convert garage into double en suite bedroom

    Adam and his colleagues were, overall, brilliant. They were professional, high quality and completely autonomous with getting on with the work, which is what I needed. Their quote was market rate although on the expensive side, but that's...

    By akhan1987 on

  • Smiley Builders

    Extension Builder working in Forest Hill
    Trade Member since 2009

    Smiley Builders are a highly experienced multi-trade team specialising in Extensions, Loft & Garage Conversions, Full Refurbishments, Bathrooms & Kitchens in SouthEast London. We have secured a reputation based on, first class workmanship, efficient management skills and a read more

    Latest Extensions feedback review:

    Home side and rear extension

    It was great to work with Baz / Smiley on my project. Smiley team delivered project with great experience and customer focused to the end. it was a large project with two storey side and rear extension delivered as promised to plan and...

    By jkalam83 on

  • Cornel Construction Services

    Extension Builder working in Forest Hill
    Trade Member since 2016

    Hi there, my name is Cornel,I am a self employed general builder based in Bromley. I have a professional team able to cover all aspect of building. I pride myself in delivering the best standard of both build and customer service and I will work with you from start to read more

    Latest Extensions feedback review:

    Double storey extension

    Cornel and his team are amazing. They go over and above and really try to please.I had a nightmare of complications and Cornel really helped me through it. I was nervous finding a builder because you hear so many scare stories however If...

    By nat_199 on

  • Quality Polish Builders

    Extension Builder working in Forest Hill
    Trade Member since 2015

    We are not the cheapest but we are Master Builders experienced in all aspects of building works including bespoke services. Dedicated team of craftsmen always deliver jobs to the highest standards. We provide full certification for any gas or electrical works. City&Guilds- read more

    Latest Restoration & Refurbishment feedback review:

    Kitchen, patio doors, staircase, hallways!

    Work completed : knock through internal walls, fit kitchen, replace floors, make way for new bifolds and windows, decorating throughout. Also had good carpenters and plumber contacts to carry out the additional works.... I cannot speak...

    By sevinc_82 on

  • FERARU GROUP BUILDERS LTD

    Extension Builder working in Forest Hill
    Trade Member since 2017

    I've worked in the UK for 8years now and I do my job to a high standard. read more

    Latest Extensions feedback review:

    Small side in fill extension

    Nick did a great job for my side in fill extension. He did everything from demolition, build and fitting of the flooring, kitchen and bathroom. He gave regular updates and talked through any issues. He dealt with the building inspector. His...

    By andrew26775 on

  • My Trusted Builder Ltd

    Extension Builder working in Forest Hill
    Trade Member since 2013

    When choosing My Trusted Builder know that our key focus is on customer satisfaction. We are here to add value to your project with our team of expert surveying and contracts managers. As a member of The Federation of Master Builders we are recognised for the quality of our read more

    Latest Extensions feedback review:

    Loft/first floor conversion, ground floor extension

    A massive and expensive disappointment. Alex made a big play about the quality of his work when selling his services to me. “Expensive but worth it!” said the banner put up outside my house. It was certainly expensive, however a...

    By ngates on

  • M Murphy Build

    Extension Builder working in Forest Hill
    Trade Member since 2014

    Hello! My name is Mick. I have many years experience in all areas of construction. I enjoy what I do & love creating new spaces for people, so it has to be of high quality or else there would be no satisfaction in it for me! I have done extensions, sunrooms, renovations, read more

    Latest Restoration & Refurbishment feedback review:

    Bathroom refit

    Mick and Marios was an amazing team. They refit the whole bathroom and also installed external insulation. They worked really hard in order to meet the requirements and keep the timelines. They left the place clean and tidy.The bathroom...

    By panos92176 on

  • Don Buildings Ltd

    Extension Builder working in Forest Hill
    Trade Member since 2008

    Don Buildings Ltd Client satisfaction is our primary concern and goal. If you are looking for top quality efficient and professional service, so look no further Don Buildings Ltd is here for you For and on behalf of Don Buildings Ltd, Donatas read more

    Latest Extensions feedback review:

    Kitchen extension and general works around property

    Overall the experience with Don was really pleasant and the quality of the work is amazing. He supported me throughout my concerns during the build, helped me secure the party wall agreement, gave me some great recommendations and honestly...

    By violette88004 on

  • FF Solutions Ltd

    Extension Builder working in Forest Hill
    Trade Member since 2018

    FF Solutions Ltd is a London based building company with an excellent reputation. Delivering project managed high standard workmanship with customer focus. FF Solutions provides a complete service from design to completion or working in partnership with your chosen read more

    Latest Extensions feedback review:

    Detached extension

    FF Solutions did a fantastic job on our single storey extension with ensuite. Jay would give me daily updates as to what works were taking place and his attention fo detail is fantastic. His suggestions for cerfain aspects of the works were...

    By david51142_25 on

  • Prestige Building Design Ltd

    Extension Builder working in Forest Hill
    Trade Member since 2018

    My name is Warren & has been in the building industry for over 35yrs Began as a carpenter and has developed & moved into all area and aspect of the building industry covering from the least to the greatest, Prestige Building Design Ltd. Are a team of Multi-Skill tradesman, read more

    Latest Extensions feedback review:

    Single storey rear extension in SE27

    Warren and his team have been fantastic to work with over the last 6/7 months. We’ve been very happy with their professionalism and craftsmanship, any issues or problems that occurred were resolved immediately. Warren provided a very...

    By jessica39653 on

  • Tangible Contractors

    Extension Builder working in Forest Hill
    Trade Member since 2016

    Tangible Contractors aims to make renovation and extension projects hassle free and it’s a service that’s being eagerly snapped up for use on both residential and commercial properties alike. Throughout the process, clients of Tangible Contractors receive bi-weekly read more

    Latest Extensions feedback review:

    Kitchen / Dining Room Refurb and Extension

    Lance and his team did a good job remodelling our kitchen and dining room and building an extension at the back. The work was completed on time and the issues that arose were dealt with professionally. There were some additional costs...

    By kay48733 on

  • Musawir Architecture Limited

    Extension Builder working in Forest Hill
    Trade Member since 2020

    We are fully qualified & established architectural design team, with high success rates in obtaining residential and commercial planning approval. A multi-disciplinary consultancy with 10 years combined experience. We provide services for all projects, new builds, read more

    Latest Extensions feedback review:

    Quote for 2 storey extension (bedroom/playroom)

    Abul was very professional and went through our extension plans thoroughly, making sure he understood exactly what it was we were after and made some suggestions himself. He has been very easy to contact with any queries, a great service.

    By beth_miller_23 on

  • A&I Building Services

    Extension Builder working in Forest Hill
    Trade Member since 2017

    With over 20 years of experience in the commercial and residential sectors in the UK, A&I BUILDING SERVICES addresses needs within the construction industry, undertaking a wide range of jobs. Types of work we normally undertake range from foundation to final decorations. read more

    Latest Restoration & Refurbishment feedback review:

    Kitchen and utility room refurbishment

    I have nothing but praise and the highest recommendation for Nick. From the outset he was very generous with his time, insightful with his ideas and very positive in his attitude. He is quick in his responses via email/phone and is always...

    By davinac-g on

  • Professional Polish Builders (London)

    Extension Builder working in Forest Hill
    Trade Member since 2016

    I'm a builder (carpenter) with 19 years of experience in England. I do loft conversions and extensions - all building works. Carpentry and joinery is my main profession. I have a qualified bricklayer, electrician, plumber and others on my team who are happy to help. All read more

    Latest Hard Flooring feedback review:

    Flooring installation

    Adam and his colleague Martin did a stellar job installing laminate flooring throughout my flat, and all for a reasonable charge. The flat had a lot of furniture and they worked around it, moving it as they went. They worked very...

    By tehenshaw on

  • Build and Create Construction Ltd

    Extension Builder working in Forest Hill
    Trade Member since 2017

    We are a team of 8 craftsmen, specialising in refurbishments, extensions and lofts. As members of the Federation of Master Builders and the National Federation of Builders, we take great care to complete each job with a high end finish. Our aim is to make our clients vision read more

    Latest Extensions client reference:

    Clinton provided my client with a service and an extension that was out of this world and beyond all expectations. From day one to the follow up care, Clinton and his team were professional, timely, honest, creative and just a delight to...

    Reference taken by MyBuilder on

  • Excell Building and Construction Ltd

    Extension Builder working in Forest Hill
    Trade Member since 2014

    Our company is building reputation step by step and have the best recommendations from our clients. read more

    Latest Extensions client reference:

    I thought Yuriy was fantastic. He built a side-return extension and did a flat conversion for me. He delivered the project on time and on budget. He has a great team of people and his Project Manger/joiner called Michael was also fantastic....

    Reference taken by MyBuilder on

  • Lords Builders and Developers

    Extension Builder working in Forest Hill
    Trade Member since 2022

    We are experienced team who can put together a plan designed explicitly to suit your needs and working environment. We are offering the following 😀: Unique styles, Exceptional services, Innovative design and Personal attention. read more

    Latest Extensions client reference:

    New roof on 1930’s semi-detached house. This work was completed quickly and effectively within the estimated time scale. Workers were polite and hardworking. Two velux windows have also made the roof space airy and accessible.

    Reference taken by MyBuilder on

  • VABuild LTD

    Extension Builder working in Forest Hill
    Trade Member since 2013

    VABuild Limited has been providing building services to both private and commercial clients in London and surrounding areas since 2000. We have an unrivalled reputation for quality and reliability. We always focus to build strong relationships with our customers. read more

    Latest Restoration & Refurbishment feedback review:

    3 bed house full refurb

    Vidas was a pleasure to work with. We had a full house refurbishment done, electrics, ceilings, skirting, doors, architraves, new floors throughout the whole house, bathroom, kitchen, front door, full re-plastering, replacing a small window...

    By rosie_98 on

  • mns building services

    Extension Builder working in Forest Hill
    Trade Member since 2018

    we are specialise in kitchen extensions and loft conversions, refurbishments, bathroom and kitchen installations since 2005 (as a solo trader and 2014 as a ltd company) read more

    Latest Extensions feedback review:

    House extension terraced house 3.5m x 5.5m

    You can trust MNS to take care of the job to a good standard!! Built a rear extension for us in a terraced house with all materials having to go through the house and managed it without damaging the property. Experienced company that...

    By desc12345 on

  • Sebastian's Builders

    Extension Builder working in Forest Hill
    Trade Member since 2017

    My business comprises of general building works, including extensions, loft conversions and house refurbishments. I also undertake smaller works including bathrooms, kitchens garden patios and fencing. I have been in the building trade for 15 years starting as a dry lining read more

    Latest Tiling feedback review:

    Tiles repair

    Sebastien is a nice and polite guy!. He repaired our bathtub and did a great job👍🏼. We are very satisfied with his work and will definitely hire him again!. I recommend him to everyone!.

    By sylvia94170 on

What can extension builders do?

MyBuilder is the simplest way to find a reviewed and vetted extension in your local area. We can connect you with local extension builders near you, so you can choose the ideal tradesperson for your project with confidence.

Whether your plans are big or small, we can help you find a skilled extension builder to support you with your job. Your contact details are only shared with tradespeople you want to speak to, so you can check out their credentials, read honest customer reviews and get free quotes to compare.

There are lots of jobs that extension builders can help with, including:

  • Extending your home with an extra room
  • Two+ storey extensions
  • Adding partition walls to create more rooms
  • Building annexes or external structures

Top Extension Builder Reviews

99%

Extension Builders working near Forest Hill in South London have an average review score of 99% positive based on 3,508 homeowner reviews.

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