Property comparables: a practical UK valuation guide

Comparable evidence asks what genuinely similar properties have sold or rented for. Stronger comps are usually closer in location, property type, size, tenure and date.

How to use it

Avoid treating a broad postcode average as a valuation. Start with a tight radius and recent period, then widen only when the sample is too small. PropertyData’s published comparables tool supports filters including property type, radius, tenure, age at sale and internal area.

Common mistakes

Using a single metric as the whole investment case.
Comparing properties or areas without controlling for meaningful differences.
Treating modelled or asking data as guaranteed transaction outcomes.
Failing to verify important figures with primary evidence and appropriate professional advice.

Turn the concept into a workflow

A good research platform reduces the time spent gathering and organising evidence. PropertyData combines several of these analysis jobs in one interface, so it is worth testing with a real target area and property rather than judging from a feature list.

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