01792 845730

House extensions

House extensions in Swansea

At Graham Mills we specialise in residential building improvement. House extensions, garage conversions, sun rooms and loft conversions form a large part of the construction work we carry out. Help can be given with design, planning and building regulations.


We at Graham Mills have completed all types of house extensions and consider ourselves specialists in this form of construction. We can offer advice on design and organise the drawing/submission of plans if required. We have built hundreds of house extensions in Swansea.




At Graham Mills Building Contractors we have undertaken countless building projects in and around Swansea over several decades. We have been awarded construction certificates and Master Builder of the Year Awards for our work as builders in Swansea & South Wales. So if you’re looking for high quality tradesman or builders in Swansea, contact Graham Mills today on 01792 845730.

If you’re looking to convert an old garage, add a conservatory or are even looking to integrate an extension on to your current house, then we can certainly help. At Graham Mills Building Contractors we offer a complete service from start to finish to help you get that perfect house extension in Swansea.

We’ve a proven track record for designing and creating stunning house extensions in Swansea. At Graham Mills Builders we’ve built hundreds of garage and loft conversions, conservatories and house extensions for happy customers in Swansea who’ve gone on to recommend us to friends and family.

If you want to see any examples of our house extensions then please check out our portfolio.