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    Post a job

    Tell us about your job, and we'll alert suitable extension builders in Lewisham. It’s simple and free.

  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 Lewisham
    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 Extensions feedback review:

    Rear extension - Planning in place

    Absolutely fantastic from start to finish. We looked to hire Rapid Bee from the reviews we read. It took 2 years to get them but it was definitely worth the wait. We hired Rapid Bee to do a single storey rear extension and side extension....

    By yemi_66 on

  • Quality Polish Builders

    Extension Builder working in Lewisham
    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 Extensions feedback review:

    single extension

    After a rogue builder left me with 18 (eighteen) structural issues. Lez and his crew came in transformed my failed extension into a masterpiece. All aspects of the job was done to the highest quality and utmost care and attention to...

    By nancy_640 on

  • Cornel Construction Services

    Extension Builder working in Lewisham
    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:

    Side and rear extension

    Cornel, Jonny, Peter and the rest of the guys are all great. Never seen a group of builders work so hard! They take the time to check they are finishing everything how you want it and are good at suggesting alternatives that might be...

    By wilko1983 on

  • FERARU GROUP BUILDERS LTD

    Extension Builder working in Lewisham
    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:

    Kitchen extension

    Nick has done extensive works for me including removing a supporting wall, putting two kitchens, two shower rooms, and insulating rooms. He has been well communicative through out the works and he & his team were polite and pleasant to work...

    By soo_52 on

  • My Trusted Builder Ltd

    Extension Builder working in Lewisham
    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

  • FF Solutions Ltd

    Extension Builder working in Lewisham
    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:

    Two storey side extension, and single storey rear

    Jay and his team have been fantastic throughout the whole build. I've been incredibly impressed with not only their quality of work, but the speed they've carried this out whilst maintaining brilliant levels of attention to detail. On a...

    By jackw_21 on

  • M Murphy Build

    Extension Builder working in Lewisham
    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 Carpentry feedback review:

    Skirting and architrave installation

    Great service from Mick and Dan. Helped with a bunch of other jobs whilst working on the main one. Super helpful, knowledgable, trustworthy and friendly. They're currently working on our new bathroom. Highly recommended!

    By tamhirris on

  • Musawir Architecture Limited

    Extension Builder working in Lewisham
    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

  • Lucian Morosanu

    Extension Builder working in Lewisham
    Trade Member since 2017

    We are two professional experienced builders: Lucian Morosanu and Laurentiu Turcu. We are offering a range of services such as extensions, renovations, new builds and all hard and soft landscaping including free quotations. With more than 10 years of practical knowledge read more

    Latest Conversions - General feedback review:

    Convert ensuite outbuild to studio flat

    Lucian and his team were excellent. They were extremely knowledgeable, helpful, patient and managed difficult building tasks (tricky angles and materials) to create a studio apartment I am very happy with. Thank you!

    By user_im0 on

  • Don Buildings Ltd

    Extension Builder working in Lewisham
    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 Carpentry feedback review:

    Hang/adjust doors in BR1

    Second time I have used Don. Great job as always. Completed on time and for a very reasonable price. Not phased by anything, makes helpful suggestions. Recommended.

    By james_tallack on

  • Build and Create Construction Ltd

    Extension Builder working in Lewisham
    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:

    Build and Create completed a 28sqm rear extension, refurbished the ground floor of the house, installed 2 high-spec bathrooms and built a bespoke patio around the house. They were an excellent choice for a very large and complicated...

    Reference taken by MyBuilder on

  • Lords Builders and Developers

    Extension Builder working in Lewisham
    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:

    Had full internal refubrishment and extention. They did excellent job with no issues at all. Kept all their deadlines. Have recomended them to family and friends.

    Reference taken by MyBuilder on

  • VABuild LTD

    Extension Builder working in Lewisham
    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

  • Seymour Building Services

    Extension Builder working in Lewisham
    Trade Member since 2014

    Seymour Building Services would look after your complete project. We would organise all our tradesmen so the right trades are there at the right time. This leaves you with no headaches. Just one number to call for our friendly help and advice. read more

    Latest Extensions feedback review:

    Rebuild existing extension/lean to

    Kenny and team did a brilliant job replacing my old lean-to porch area for a new smart extension with windows, door and even a cat flap. They were on time, organised, efficient and took away all the old materials and rubbish. Kenny was...

    By anon-210613004502407495 on

  • Excell Building and Construction Ltd

    Extension Builder working in Lewisham
    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

  • Professional Polish Builders (London)

    Extension Builder working in Lewisham
    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 Extensions feedback review:

    Kitchen extension

    Professional Polish builders (london) ltd,?this is a suitable name for this company. They built an extension and loft for me in the time standards set. They aren’t a cheap service but the professionalism of this boys goes beyond and...

    By tadeusz09 on

  • Gibbons & Sons

    Extension Builder working in Lewisham
    Trade Member since 2019

    Gibbons & Sons are a family run business and been trading for 30 years. Our areas of business are extensions, kitchen fits, summer houses, loft conversions & general building. read more

    Latest Extensions feedback review:

    Rear Extension

    We chose Gibbons and Sons for our Loft extension and new bathroom as they was one of the few firms who we contacted and was more then happy for us to view their workmanship during and after the build so we good see the quality of their...

    By nikki_791 on

  • Calin Coroian

    Extension Builder working in Lewisham
    Trade Member since 2016

    Hi,my name is Calin Coroian i m a General Builder, new and maintenance,i do all other aspects of building work with 20 years experience and passion on my work to make all my customers happy.I have a professional team of hard workers.I l will pleased to get you in touch with read more

    Latest Carpentry feedback review:

    Mdf panelling in hall

    As soon as o had posted my job Calin got in touch he came round and gave me a sensible quote unlike some others I'd received both he and Ronnie worked their socks off for 2 whole days working till 8 pm to get my job done when someone had...

    By anon-221217004502710593 on

  • T&S Construction

    Extension Builder working in Lewisham
    Trade Member since 2012

    Ive been in building work all my life and im very good so people say theres not many builders like me ,try me and i bet you have me back i can show my work . read more

    Latest Extensions feedback review:

    Side Extension, Bedroom & Bathroom

    Tom is a very competent builder, who has attention to details. Tom continuously went out of his way to find ways to meet my requirements, Whenever we had atypical challenge during my extension Tom's default position was "let's find a work...

    By sri_32 on

  • Swift Building Masters

    Extension Builder working in Lewisham
    Trade Member since 2010

    General Builder of over 40 years Experience. Carpentry & Joinery Background. I have worked on large and small Projects, Repair, Refurbishment, Extensions, Loft conversions and New-builds. Recently become a member of Federation of Master Builders. ALL WORK QUALITY ASSURED read more

    Latest Restoration & Refurbishment feedback review:

    Erection of an external metal staircase

    Following on from a difficult situation with a neigbour Swift builders were able to reinstate my metal external staircase in a speedy and efficient manner. They consulted all the way through, was very pleasant and positive in their...

    By lynne_gregson 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 Lewisham in South London have an average review score of 99% positive based on 3,691 homeowner reviews.

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