R O Williams & Sons Ltd logo Porch extension to the front of a house Converted loft bedroom New build house with scaffolding up House under refurbishment with scaffolding up Exterior of a house with a lovely extension

New builds

Professional building services

If you're looking for expert, reliable and affordable build services throughout Blaenau Ffestiniog and surrounding areas, look no further than R O Williams & Sons Ltd. Whether you're planning to make adjustments and refurbishments to an existing property or whether you have plans for a brand new build, our team are on hand to provide you with all the building services you're going to need.  For all your building servicing needs, call R O Williams & Son Ltd today.

Our building services include:

• New builds

• Extensions

• Loft conversions

• Garage conversions

• Property refurbishment

• Re-builds

• Alterations

• Repairs

• Maintenance


In addition to providing expert building services, we also specialise in a variety of different groundwork services. For more information, click here or call today.

Looking for professional and reliable building services throughout Blaenau Ffestiniog and surrounding areas at great prices? Call:

07899 891 381


Loft and garage conversions


semi-detached house graphic