HOUSE EXTENSIONS · RENOVATIONS · STRUCTURAL ALTERATIONS
Carefully managed residential building work across Purley, South London & Surrey
Clear scopes, careful coordination and straightforward communication from the first conversation to the finished work.
Start Your Project
Good building work needs good coordination.
Harrington Builders carries out house extensions, renovations, structural alterations and wider residential refurbishment. We keep the scope clear, coordinate the trades and information around the build, and keep communication straightforward throughout. Stuart remains directly involved in the project, supported by our site team and specialist trades.

SELECTED WORK
A closer look at the projects.
Extensions, renovations and structural work by Harrington Builders — shown through the build as well as the finished spaces.
View all projects →SERVICES
What we build.
Five areas of work that often overlap within the same project. The detail lives on the service pages; the homepage just gives you the shape of what we do.
OUR APPROACH
Define it properly. Coordinate it carefully. Build it well.
Clear information, clear responsibility and a managed route from drawings and scope through construction and handover.
See our approach →What clients say
Areas we work in
Based in Purley, Harrington Builders works across Banstead, Caterham, Coulsdon, Kenley, Kingswood, Sanderstead, Warlingham, Woldingham, Woodcote and surrounding parts of South London and Surrey.
See Areas We WorkCLIENT PORTAL · IN DEVELOPMENT
A clearer place for project information.
We’re developing a dedicated project workspace to keep drawings, documents, conversations, decisions and valuations together, so clients and the project team can follow the current information more easily.
See what we’re building →Planning building work?
Tell us about your project, send over your drawings, or call to discuss what you have in mind.


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