Ruban Selvanayagam of homebuying firm Property Solvers runs through some of the prominent online property valuation tools including Rightmove sold house prices, Zoopla, HM Land Registry (HPI Index), Net House Prices, Mouseprice, Property Price Advice, Our Property, The Move Market alongside some useful Google Chrome extensions.
House Valuation with Property Solvers
UK House Prices (Search Your Local Area)
London House Prices (Search Your Local Area)
Check Property Sizes (via the EPC Register)
Differences Between Asking and Sold House Prices in Your Local Area
Property Log (Google Chrome Extension)
Patma (Google Chrome Extension)
Property Tracker (Google Chrome Extension)
Land Registry Valuation (UK HPI)