Welcome to Cousins Builders Website. Cousins are a family run business and have been established since 2002. We are members of FMB, Construction Line and Checked and Vetted.


Our Motto - Big or small, we do 'em all!

Sun Rooms & Conservatories
New Builds
Loft Conversions

Builders in Sunderland

As a family business we bring over 40 yrs of building experience to the company.  It is this experience and professionalism that we offer to you, the customer, and as most of our work comes from recommendations, I'm sure you will be more than happy with the expertise and swiftness with which your work will be completed, and will want to pass our name on to your friends.


So if you are after a builder in Sunderland, Chester le Street, Gateshead, South Shields or Durham Cousins Builders have the scope and expertise for any of your requirements.
We cover a wide range of work from small renovation work, through to large restoration and  extensions and new builds of varying size.


Some of our services include:

  • Extensions

  • Conversions

  • Refurbishments

  • Mainenance

  • Screeding​

  • Dry Linings

  • Masonry

  • Bricklaying

  • Patios

  • Joinery

  • Block Paving

  • Slate Roofing


"Your website impressed me enough to chose Cousins. Neil , Ian and their team of employees and sub contractors were all great...."


​Customer in Chester le Street, 31 October 2013

"Builders were completely reliable, very well organised and competent. The work was completed on schedule. Very friendly, helpful..."


​Customer in Boldon Colliery, 25 November 2011

"Cousins Builders, "Ian and Neil" as we got to know them, were very clean and tidy in their over all work. Their staff on site were always on time..."


​Customer in sr5 1nu, 20 December 2010