291a, Northfield Avenue, Ealing, London, W5 4XB

291a is a mid-terrace house in Ealing, London, London (W5 4XB). It has a recorded floor area of 40 m² (around 431 sq ft), construction records dating it to 1900-1929 and council tax band A. At 40 m² this is the largest unit on EPC record across 291a (23–40 m²). The building's EPC ratings span E to C, with this unit at the top. On EPC score it ranks first in the building (69 versus a worst of 50). The latest certificate (February 2026) shows a C (score 69), just inside the C band. The rating has held steady at C across 9 certificates since December 2014. Between certificates, lighting went from Very Poor to Very Good; while window efficiency dropped from Good to Poor and hot-water efficiency dropped from Good to Average. This certificate was lodged in the last six months, so the rating reflects current condition.

Across 1998–2025, sale prices on this property compounded at 8.7% per year. Today's modelled estimate of £246,000 is 71.8% below the 2025 sale of £872,750, below the original sale price, which typically signals condition or completion-status changes worth verifying. On a £-per-square-foot basis, the last sale (£2,027/sq ft) was about 854.6% above the typical sold price in the postcode. At 40 m² the property is well over the postcode median (28 m² across 8 EPCs), placing it in the larger end of the local stock. On energy efficiency it sits in the top 10% of properties in this postcode. It changed hands recently, sold October 2025 for £872,750.