12 from adjacent districts — postcode shown on each card.
extension builder · St Albans · AL1 3JJ
✦ Local pricing insight
Builder in AL4 typically charge £35–£65/hr
Indicative pricing from market data — request quotes for exact figures.
✦ Builder cost calculator
Based on builder rates in AL4, St Albans.
The calculator gives you a range. For a real number tailored to your job, get free quotes from up to 5 verified builders serving AL4.
Domifyr lists 4 verified builders serving AL4 and the surrounding postcodes. All builders on Domifyr have been identity-verified and hold valid insurance. Certification status is displayed on every profile.
Typical hourly rates for builders in AL4 range from £35 to £65, with a callout fee around £80. St Albans sits in the higher-value Home Counties bracket with pricing reflecting proximity to London and affluent client base. Fixed-price quotes are available for most standard work — request one through Domifyr for free.
| Job | Typical range |
|---|---|
| House extensions | £35,000–£85,000 |
| Loft conversions | £28,000–£65,000 |
| Garage conversions | £12,000–£28,000 |
| Structural alterations | £3,500–£15,000 |
| Bricklaying | £800–£1,400 |
| Groundwork and foundations | £5,000–£18,000 |
| Rendering | £2,500–£8,500 |
| New builds | £180,000–£450,000 |
Indicative ranges from market data — actual quotes vary by scope, access, materials, and timing. Request quotes through Domifyr for accurate figures.
Typical builders in AL4 charge £35–£65 per hour, with a callout fee around £80. Emergency callouts are typically 40% higher. St Albans sits in the higher-value Home Counties bracket with pricing reflecting proximity to London and affluent client base.
Most builders in AL4 can quote within 24 hours for standard work. For emergencies (leaks, lockouts, no heating), expect a response in 1–3 hours.
Yes — all builders on Domifyr are identity-verified and insured. Certification status is displayed on every profile.
About the author
Senior Editor, Building & Renovation · 15years' experience · RIBA Part 1 & Part 2 qualified
RIBA-trained, now writes about UK extensions, loft conversions and planning. 15 years covering UK building regulations.