► Terms and conditions

► Estimate, booking & scope

Instant estimate is calculated from your selections and is for guidance only.
Final price depends on site survey, drawings/spec, ground conditions and statutory approvals.
If the job materially differs from the selections provided, we confirm any adjustment before starting.
Access, depth, existing services and drainage constraints can materially affect labour and sequencing.
Ground-bearing slab pricing is calculated as Area × selected floor type rate plus a small-project allowance: +£1,500 (≤15m²), +£1,000 (15–30m²), +£600 (>30m²). Final spec may vary by engineer/Building Control (insulation thickness, reinforcement, thickness, edge details).

► What’s included / not included

Included (where selected)

Not included (unless confirmed)

► Pricing logic (transparent)

Trench works

Setup: £2,000
Variable: £400 per m³

Access uplift

Sewer bridging uplift

Reinforcement uplift

Worked example

18m × 0.6m × 1.0m = 10.8 m³
Trench works = £2,000 + (10.8 × £350) = £5,780

Deep excavations, restricted access or unknown services may require a site visit.