It depends on the size and type of extension. Small porches or flat roof extensions are very reasonably priced. More substantial two storey extensions can be expensive. In general, the price is roughly proportional to the amount of space you add to your home.
Abergorlech
Abergorlech is a village in Carmarthenshire, Wales. It is situated on the banks of the River Cothi, which has the Grade II* listed Pont Cothi bridge running across it.
Abergorlech lies on the boundary of the Brechfa Forest, which has lots of mountain bike trails. The Black Lion, the village pub, greets walkers and bikers. It has a stone floor that is over 300 years old.
Abergorlech is in the community of Llanfihangel Rhos-y-Corn, which has a population of only 468.
If your house in Abergorlech requires a replacement [product], it's best to do a comparison of no less than three quotations from trusted firms to get the best price.