5 Northumberland Avenue, Blackpool, FY2 9SB

5 Northumberland Avenue is a semi-detached house in Blackpool (FY2 9SB). It has a recorded floor area of 108 m² (around 1163 sq ft), construction records dating it to 1900-1929 and council tax band A. The latest certificate (January 2026) shows a D (score 65), on the cusp of jumping into the C band. The rating has held steady at D across 3 certificates since February 2010. Between certificates, wall efficiency went from Poor to Good; while window efficiency dropped from Good to Average and hot-water efficiency dropped from Very Good to Good. The recommended improvements would push it to C (score 74). This certificate was lodged in the last six months, so the rating reflects current condition. At 108 m² this is the 12th smallest of 18 units on EPC record in the building, where floor areas span 34–167 m². The building's EPC ratings span E to C across 18 units on file.

At 108 m² the property is well over the postcode median (78 m² across 17 EPCs), placing it in the larger end of the local stock. One planning record on file: an extension approved in 2007. Past consents include an extension and a loft conversion, meaningful when judging how the property has evolved.