SAMPLE REPORT

See what you'll receive

This is a real cost plan generated by Buildcostr.ai for a two-storey side extension in Essex.

Buildcostr.aiCOMPLETE COST PLAN
Two-storey side extension · Essex · CM3 postcode · Mid specification
SECTIONCONFIDENCETOTAL
Pre-construction costsC£3,200
Groundworks and drainageC£8,940
External wallsC£14,280
Roof structure and coveringC£6,840
Windows and external doorsC£9,450
First and second fix servicesA£12,300
Labour schedule by tradeA£18,600
PreliminariesA£7,840
+ 7 more sections in the full report
Subtotal£81,450
Contingency (10%)£8,145
TOTAL (exc. VAT)£89,595

New build: zero-rated · Extension: +20% VAT

Low estimate

£74,200

This estimate

£89,595

High estimate

£108,400

15 sections · NRM2 measured · BCIS calibrated

INSIDE THE REPORT

A look inside your PDF report

Your full cost plan runs to around 28 pages across 15 itemised sections — NRM2-measured and BCIS-calibrated. Rather than wade through all of it, here are the highlights that show exactly what lands in your inbox.

SECTION 02 — GROUNDWORKS & DRAINAGEEXTRACT

Every section is broken down line by line with quantities, unit rates and a confidence rating — the same detail a quantity surveyor would hand you.

Site strip and remove topsoil 150mmC
96 m² @ £9.50
£912
Excavate reduced level and foundationsC
38 m³ @ £62.00
£2,356
Cart away surplus spoil (8t grab)A
4 loads @ £190.00
£760
C25 concrete to foundationsC
14 m³ @ £165.00
£2,310
100mm dia. clay drainage runsC
22 m @ £58.00
£1,276
Inspection chambers 450mmC
2 nr @ £240.00
£480
Hardcore sub-base and compactionA
18 m³ @ £47.00
£846
Section 02 total£8,940

CONFIDENCE RATINGS

Every line is rated for confidence

So you can see what is measured from your drawings versus a benchmark allowance.

C
Calculated

Measured directly from your drawings or confirmed project data.

A
Allowance

A benchmark allowance by project type, specification and region (BCIS).

E
Estimate

An industry benchmark where specialist input is required.

V
Verify

Confirm before ordering — depends on a condition we couldn't confirm.

PRICING METHODOLOGY

Calibrated to your project

The report shows how every rate was adjusted for where and how you build.

Regional multiplier

Labour rates adjusted to your postcode area.

Specification multiplier

Finishes and second-fix scaled to your spec level.

BCIS calibration

Section totals cross-checked against BCIS benchmarks.

Scenario ranges

Low and high outcomes for ground and tender variation.

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