Professional construction estimating services across Essex — covering all towns. County-specific cost data, 24-hour turnaround, serving Chelmsford, Colchester, Southend-on-Sea and beyond.
Essex is one of the most active construction markets in the East of England, driven by strong London commuter demand, major new housing developments, and extensive residential renovation and extension work. We cover the entire county — from the M11 corridor towns to the Essex coast — with Essex-specific cost data reflecting the county's unique mix of commuter belt premiums and competitive local subcontractor rates.
Construction costs in Essex can vary 15–20% between the premium M11 corridor towns (Brentwood, Epping, Loughton) and the more competitive coastal and northern areas (Clacton, Harwich, Saffron Walden). Our Essex estimates are calibrated to your specific town, not a county-wide average.
Full construction estimating and consultancy services available across Essex county.
Indicative cost ranges for common construction projects in Essex. All figures are calibrated to local labour rates, material costs, and subcontractor pricing.
| Project Type | Cost Range |
|---|---|
| Single-Storey Extension (20m²) | £32,000 – £55,000 |
| Double-Storey Extension (40m²) | £60,000 – £105,000 |
| Loft Conversion (Dormer) | £36,000 – £62,000 |
| New Build (per m²) | £1,700 – £2,700/m² |
| Bungalow Extension | £35,000 – £60,000 |
| Groundworks (per m²) | £115 – £210/m² |
These are indicative cost ranges based on our Essex cost database (updated quarterly). For a precise estimate tailored to your specific project, contact us.
We provide construction estimating services in all of the following locations across Essex county.
Tell us your Essex project details. We'll provide a quote within 1 hour and a full detailed estimate within 24 hours — calibrated to Essex construction costs.
Real questions from contractors, developers, and homeowners in Essex — answered with locally-calibrated cost data.
House extension costs in Essex vary significantly by location. In Chelmsford, Brentwood, and the M11 corridor, a single-storey 20m² rear extension typically costs £35,000–£55,000 due to higher London commuter belt premiums. In more northern and coastal parts of Essex (Colchester, Clacton, Braintree), the same extension might cost £30,000–£45,000. These figures include standard foundations, brick/block construction, pitched roof, mid-range windows and doors, basic plumbing and electrics, and plastering. Conservation area requirements in historic Essex towns can add 10–15% to costs.
Loft conversions in Essex range from £24,000 for a basic Velux conversion to £62,000+ for a full dormer with en-suite. A standard dormer loft conversion with double bedroom and en-suite typically costs £36,000–£50,000, with South Essex and commuter belt locations at the higher end. Our estimates include all structural work, insulation, staircase, windows, plumbing, and electrics.
Yes — we cover the entire county of Essex, from major towns like Chelmsford, Colchester, and Southend to smaller towns and villages like Maldon, Saffron Walden, Braintree, Witham, and everywhere in between. Our cost data is calibrated to your specific Essex location. We understand the significant cost variations across the county — from premium commuter belt areas near the M25 to more competitive coastal and northern locations.
We provide a quote within 1 hour and a full detailed estimate within 24 hours. Our Essex estimates use county-specific cost data updated quarterly, calibrated to your specific town or village. Send us your project type, size, postcode, and any drawings or specifications. We cover everything from residential extensions and loft conversions to new builds and commercial projects across the entire county.
Yes — construction costs in South Essex (Brentwood, Loughton, Epping, Billericay, Grays) are typically 10–20% higher than in North Essex (Colchester, Braintree, Harwich) and the Essex coast (Clacton, Southend). This is driven by higher labour rates, stronger demand, and the proximity to London's construction market. Our estimates are calibrated to your specific Essex postcode, not a county-wide average.
The ranges above are indicative. For an accurate estimate calibrated to your specific Essex project, location, and specification — get in touch.
With 38+ years of UK construction estimating experience, we bring deep regional knowledge to every Essex project. From residential extensions to commercial developments — we deliver accurate, reliable estimates, fast.
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