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Variation / Dayworks Valuation

RICS Definition of Prime Cost daywork valuation: labour, materials and plant prime cost plus contractor percentage additions.

Section 1 — Labour

hr
£/hr

All-in base rate (prime cost of labour, Option A)

%

Contractor's % addition (Contract Particulars) — incidentals + OH&P

Section 2 — Materials & Goods

£

Invoice / trade price after discounts plus delivery

%

Contractor's % addition (Contract Particulars)

Section 3 — Plant

£

Hire / standing charge for the period on site

%

Contractor's % addition (Contract Particulars)

Enter a labour rate to value the daywork
ensign.software · 28 October 2026The Ensign Toolbox