How it works
Post a job
Tell us about your job, and we'll alert suitable extension builders in Cardiff. It’s simple and free.
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.
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
Extension Builders working near Cardiff in South Glamorgan have an average review score of 99% positive based on 781 homeowner reviews.
Towns near Cardiff
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Ask an Extension Builder
Our vetted professionals answer your home improvement questions
- How near can my neighbour build an extention to my boundry, the size he is considering does not require plannning concent.in adition this extention is going limit view / sunlight can i object?
- Tying in to existing brickwork/ continuous cavity in new + old walls
- Can a conservatory be converted into a extension?
- Where do i start with planning a single storey extension? how much should i be paying for architects plans?