12 Princes Mews, Westminster, London, W2 4NX

12 Princes Mews is a two-bedroom mid-terrace house in Westminster, London, London (W2 4NX). It has a recorded floor area of 81 m² (around 872 sq ft), construction records dating it to 1900-1929 and council tax band G. At 81 m² this is the 2nd smallest of 19 units on EPC record in the building, where floor areas span 70–165 m². The building's EPC ratings span E to B, with this unit at the bottom. The latest certificate (October 2020) shows an E (score 53), well below the UK norm with real room to improve. The rating has held steady at E across 2 certificates since March 2013. Between certificates, lighting went from Very Poor to Very Good. The recommended improvements would lift it to C (score 78), a 2-band jump.

4 planning records sit against the property, 2 approved, 1 refused, 1 pending. Past consents include new windows, meaningful when judging how the property has evolved. An application is currently awaiting a decision. At 81 m² it sits well below the postcode median (123 m² across 18 EPCs), making it one of the more compact homes locally. It lags the bulk of the postcode on energy efficiency (less efficient than 83% of similar EPCs). Across 1999–2022, sale prices on this property compounded at 6.6% per year. On a £-per-square-foot basis, the last sale (£2,007/sq ft) was about 196.1% above the typical sold price in the postcode. Most recent transfer: October 2022 at £1,750,000. That sale was during the post-pandemic price surge, when transactions cleared materially above pre-2020 trend.