21 Chatham Grove, Manchester, M20 1HS

21 Chatham Grove is a semi-detached house in Manchester (M20 1HS). It has a recorded floor area of 96 m² (around 1033 sq ft) and construction records dating it to before 1900. The latest certificate (May 2018) shows a D (score 68), on the cusp of jumping into the C band. The rating has held steady at D across 2 certificates since July 2010. Between certificates, wall efficiency went from Very Poor to Poor, roof efficiency went from Very Poor to Good and hot-water efficiency went from Good to Very Good. The recommended improvements would push it to C (score 78). At 96 m² this is the 101st smallest of 108 units on EPC record in the building, where floor areas span 19–193 m². The building's EPC ratings span G to C across 108 units on file.

At 96 m² the property is well over the postcode median (39 m² across 107 EPCs), placing it in the larger end of the local stock. One planning record on file: an extension approved in 2024. Past consents include an extension, meaningful when judging how the property has evolved. Across 2006–2023, sale prices on this property compounded at 5.9% per year. On a £-per-square-foot basis, the last sale (£726/sq ft) was about 241.1% above the typical sold price in the postcode. Last sale on file: £750,000 in December 2023.