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Get startedFlat 1 is a one-bedroom end-of-terrace house in London (W1H 1JY). It has a recorded floor area of 37 m² (around 398 sq ft), construction records dating it to before 1900 and council tax band F. At 37 m² this is the smallest unit on EPC record across the building (37–45 m²). The building's EPC ratings span D to C, with this unit at the bottom. The latest certificate (March 2020) shows a D (score 65), on the cusp of jumping into the C band. Earlier certificates rated it C (February 2010); the latest reading is one band lower. Between certificates, wall efficiency went from Very Poor to Poor. The recommended improvements would push it to C (score 74).
Sale prices here have outpaced London HPI: 5.9% per year against 0% for the wider region. On a £-per-square-foot basis, the last sale (£1,293/sq ft) was about 129.5% above the typical sold price in the postcode. Last sale on file: £515,000 in August 2023.
Flat 1 has more than quadrupled in price since its earliest registered sale in 1997.
£506,000
Modelled from EPC, postcode comparables and a sale-price growth of 5.9% per year over 26 years.
£515,000
Growth on file: 5.9% per year over 26 years.
Floor Area for Flat 1 lags the street by a wide margin.
Price per m²
£13,919
Street avg £11,822
Floor Area
37 m²
Street avg 41 m²
Habitable Rooms
2 rooms
Rail-style transport is unusually close for this postcode.
Crime
8/mo
Rising year-on-year across the wider district.
Nearest stop
0.2 km
Marylebone Station — bus stop.

Daytime· 07:00 – 23:00
63.5dB

Changes detected from historical EPC data
Wall insulation improved
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31 August 2023Most recent
£515,000
+72.2%over 16 years21 March 2007
£299,000
+20.1%over 1 year15 March 2006
£249,000
30 October 2002
£250,000
+115.5%over 5 years4 August 1997
£116,000
Median price across the last 5 sales in W1H 1JY: £525,000 (2024–2010).
Street avg 2 rooms
CO₂ Emissions
1.9 t/year
Street avg 1.7 t/year
W1H 1LL
Closest school
0.1 km
St Mary's Bryanston Square CofE School. 61 schools nearby.
Night-time· 23:00 – 07:00
54.3dB
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