P Colohan & Co. Ltd
Basement, groundworks and concrete frame contractor in London
About P Colohan & Co. Ltd
P. Colohan & Co. Ltd. is a family-run specialist contractor established in 1972. It delivers basement, groundworks and reinforced concrete frame packages across London and the Home Counties, mainly for residential developments, social housing, offices, healthcare and leisure projects.
Its work includes excavation, underpinning, foundations, drainage, piling, waterproofing, concrete structures and external works such as paving and hard landscaping. The company works with clients and design teams on constrained urban sites and tight construction programmes, and says it maintains a 100% CSCS-compliant workforce. It reports annual turnover of approximately £18 million and experience delivering packages worth up to £10 million.
Areas covered
- London
- Home Counties
Services
Groundworks
- Foundations
- Substructures
- Drainage and services
- Bulk excavation
- Piling
- Underpinning
Basements and concrete
- Basement packages
- Reinforced concrete frames
- Steelfixing
- Waterproofing
External works
- Hard landscaping
- Paving
- Roads and footpaths
- Playground areas
What their website says about each service
- Foundations & Groundworks
“we are able to provide a full range of groundworks, including all types of foundations”
- Subsidence & Underpinning
“Over five decades, we have developed into a multi-disciplined contractor delivering: Bulk Excavation Basements … Underpinning”