What is the average price guide for building services in Merthyr Tydfil?

In Merthyr Tydfil, the average prices for key building services in 2026 are as follows: a house extension typically costs between £1,200 and £2,500 per square metre. This range can vary based on the type of extension and materials chosen. For a loft conversion, expect to pay around £25,000 to £50,000, depending on the complexity and whether you require dormer windows or extra insulation. Finally, a garage conversion is generally more affordable, ranging from £8,000 to £15,000.

It's important to hire professionals who are certified for these projects. Make sure they are registered with relevant bodies such as NICEIC for electrical work or Gas Safe for any gas installations during the renovation. Always request to see their certifications and check their reviews.

Merthyr Tydfil has seen a rise in building projects, so it's always best to get multiple quotes and check local regulations before starting.

Looking for professionals in your area? Find vetted providers on TradeMatch.