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Get startedCasterbridge is a one-bedroom mid-terrace house in Westminster, London, London (W11 1DR). It has a recorded floor area of 46 m² (around 495 sq ft), construction records dating it to 1976-1982 and council tax band C. At 46 m² this is the smallest unit on EPC record across Casterbridge (46–98 m²). The building's EPC ratings span D to C, with this unit at the top. The latest certificate (August 2021) shows a C (score 71). When first surveyed in May 2010 the rating was D, the property has climbed 1 band since. Between certificates, wall efficiency went from Poor to Average, roof efficiency went from Very Poor to Poor and window efficiency went from Poor to Average.
Sale prices here have outpaced London HPI: 8% per year against 0% for the wider region. On a £-per-square-foot basis, the last sale (£909/sq ft) was about 100.9% above the typical sold price in the postcode. 9 years since the last transfer (May 2017). At 46 m² it's 27.6% smaller than the typical home in the postcode (64 m² median across 20 EPCs).
Sale price has at least doubled since 2005.
£433,000
Modelled from EPC, postcode comparables and a sale-price growth of 8.0% per year over 12 years.
£450,000
Growth on file: 8.0% per year over 12 years.
On price per m², Casterbridge stands well clear of the street.
Price per m²
£9,783
Street avg £5,434
Floor Area
46 m²
Street avg 67 m²
Habitable Rooms
3 rooms
Rail-style transport is unusually close for this postcode.
Crime
18/mo
Rising year-on-year across the wider district.
Nearest stop
0.1 km
Great Western Road (W11) — bus stop.

Daytime· 07:00 – 23:00
60.7dB

Changes detected from historical EPC data
Changed to a more efficient fuel source
Heating controls upgraded for better temperature management
Windows upgraded, improving insulation
Wall insulation upgraded
Roof insulation improved
More low energy lighting installed
Are we missing something? Tell us about home improvements to help adjust your valuation.
12 May 2017Most recent
£450,000
+157.1%over 12 years18 February 2005
£175,000
Median price across the last 5 sales in W11 1DR: £550,000 (2025–2014).
Casterbridge Flat 39 Dartmouth Close Westminster London
Sold Jul 2025
Casterbridge Flat 11 Dartmouth Close Westminster London
Sold Aug 2016
Casterbridge Flat 10 Dartmouth Close Westminster London
Sold Sept 2015
Casterbridge Flat 40 Dartmouth Close Westminster London
Sold Mar 2015
Casterbridge Flat 18 Dartmouth Close Westminster London
Sold Sept 2014
Street avg 3 rooms
CO₂ Emissions
1.8 t/year
Street avg 2.2 t/year
W11 1JD
Closest school
0.1 km
St. Mary of the Angels Catholic Primary School. 79 schools nearby.
Night-time· 23:00 – 07:00
51.4dB
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