21 Verified Properties in W4 1BY

W4 1BY is a unit postcode in the W4 district, London. Property Passport UK has indexed 21 properties in W4 1BY, drawing on verified data from the Energy Performance Certificate (EPC) Register (maintained by the Ministry of Housing, Communities & Local Government), HM Land Registry Price Paid Data, Ordnance Survey AddressBase (which assigns the UPRN — Unique Property Reference Number — to every address), and the Environment Agency's flood risk assessments. The most common EPC energy rating for properties in W4 1BY is Band C. EPC ratings run from A (most energy efficient, SAP score 92+) to G (least efficient, SAP score 1–20). The most common property type indexed in W4 1BY is House. Every address in W4 1BY is identified by its UPRN, the persistent 12-digit reference used across all government property records. Search any address in W4 1BY on Property Passport UK to check its EPC certificate, sold price history, flood risk zone, and title tenure (freehold or leasehold) — all free and sourced from official UK data registers.