Extension Builders in West Calder
Find extension builders covering West Calder, Livingston, East Calder and surrounding areas. Local and Livingston-based extension builders who serve the EH55 area for house extensions, conversions, structural alterations, and new builds.
Free directory of extension builders in West Calder and West Calder & West Lothian for house extensions, conversions, structural alterations, and new builds. No sign-up, no fees — contact West Calder extension builders directly.
Extension Builders Listed in West Calder
- James Gorman Stonemasons & Builders — Building and stonework services in Broxburn4. (Broxburn)
Areas Covered by West Calder Extension Builders
- West Calder — postcodes: EH55
- Polbeth — postcodes: EH55
- Harburn & Addiewell — postcodes: EH55
Frequently Asked Questions — Extension Builders in West Calder
Do I need a building warrant for an extension in West Calder?
Yes — almost all extensions in Scotland require a building warrant from your local council. This is separate from planning permission. Your builder should handle the building warrant application, working with a structural engineer for drawings and calculations.
How much does a house extension cost in West Calder?
A single-storey rear extension typically costs £1,200–£1,800 per square metre; two-storey £1,000–£1,500 per sqm. A typical 4m × 5m single-storey extension might cost £25,000–£45,000 all-in. Always get at least 3 detailed quotes.
Do extension builders from Livingston cover West Calder?
Yes — West Calder is close to Livingston and most Livingston-based extension builders cover West Calder, East Calder as standard.
What qualifications should an extension builder in West Calder have?
Your builder should carry public liability insurance (at least £2 million), employer's liability if they have staff, and provide references. FMB or NHBC membership is a good sign. They should manage building warrants, structural engineers, and building control inspections.
How do I compare quotes from West Calder extension builders?
Get at least 3 written quotes and compare: specification of foundations, blockwork, roof, windows, and finishes; building warrant inclusion; structural engineer's fees; payment schedule; timeline; and defects liability period.