CALL US TODAY ON 07793 498 860

Complete re-Roofing and removal of old chimney.
“Re-roofing of a very old roof with a removal of a chimney and placement of a Velux window was professionally carried out in a friendly and polite manner we were very well pleased with the work done and found that they were always on time and very productive in there work they even managed to remove a stubborn old water tank from the loft :))) Would Highly recommend this company to anyone. Will defiantly be using there services again if needed.”

Customer in Edgware

10 October 2016

Leak in roof.

“Had a leak in the roof. Kevin identified and fixed the problem. He kept me fully informed and did an excellent job. Highly recommended and would definitely use this company again.”

Customer in Rickmansworth

9 July 2016

For more testimonials of our work, take a look at our Check A Trade profile by clicking here.

Or take a look at our Rated People page by clicking here.


Our specialists who have had over 18 years of experience in the trade feel exactly the same, making sure they give you the best service possible. They will make sure that you feel comfortable throughout the roofing process, guiding you throughout the whole process from design to the finish of the build while trying their best to cause as little inconvenience to you as possible.

We offer a wide range of roofing services here at K O'Brien Roofing & Building, suiting a variety of roofing needs. These services include:

  • GRP Fibreglass Specialists
  • Compound and Flat Roofing Specialists
  • Chimneys Dormer/Roof Windows
  • Felt Roofing
  • Leadworks
  • Moss Removal
  • Pitched Roofing
  • Polycarbonate Roofing
  • Roofing Repairs

All of our services are covered by our Public Liability Insurance with a value of up to £1,000,000 and are completed by our trained specialists.

We are based in Watford and cover Watford and the surrounding areas.

If you have any questions on these services or if the service you require is not listed above, please do not hesitate to contact us on 07793 498 860 or contact ushere.



At K O'Brien Roofing & Building, we believe the roof is the most important part of your house, keeping you and your family safe, comfortable and warm throughout the year. This is why all of our work is to the highest standard possible as we know how important a good roof can be for you and your house.