Writing a decorating specification that can be priced fairly
Most disputes on decorating contracts trace back to a vague scope. A specification that states substrate condition, preparation standard and coating system gets comparable prices and fewer variations.
Describe the substrate honestly
Existing condition, previous coating type and known defects should be stated. Hiding poor condition to get a lower tender simply converts it into variations later.
Specify preparation, not just coats
Coat counts are meaningless without a preparation standard. State what is to be stripped, filled, stabilised and primed.
Name the system or the performance
Either specify products and film builds, or state the performance requirement and let contractors propose compliant systems. Mixing the two vaguely causes non-comparable bids.
Set out constraints and handover
Working hours, phasing, access, occupancy, snagging process and handover documentation all affect price, so they belong in the document rather than in a later email.
Common questions
What makes decorating tenders non-comparable?
Undefined preparation standards and unspecified coating systems, almost every time.
Should I specify products or performance?
Either works, provided you're consistent — mixing both loosely produces bids you can't compare.
Do you help write specifications?
We're happy to advise on scope and system so the document is priceable.
Should phasing be in the spec?
Yes — working hours and occupancy materially affect price and programme.
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Next step
Send your draft specification and we'll flag anything that will cause variations.
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