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Get startedCasterbridge is a three-bedroom mid-terrace house in Westminster, London, London (W11 1DR). It has a recorded floor area of 72 m² (around 775 sq ft), construction records dating it to 1976-1982 and council tax band D. At 72 m² this is the 13th smallest of 21 units on EPC record in Casterbridge, where floor areas span 46–98 m². The building's EPC ratings span D to C, with this unit at the top. The latest certificate (February 2022) shows a C (score 75), near the top of the C band. When first surveyed in February 2011 the rating was D, the property has climbed 1 band since. Between certificates, wall efficiency went from Very Poor to Average, window efficiency went from Very Poor to Average and lighting went from Poor to Very Good.
Sale prices here have outpaced London HPI: 8.9% per year against 0% for the wider region. On a £-per-square-foot basis, the last sale (£839/sq ft) was about 85.4% above the typical sold price in the postcode. One planning record on file: new windows approved in 2014. Past consents include new windows, meaningful when judging how the property has evolved. At 72 m² it's 24.1% larger than the typical home in the postcode (58 m² median across 20 EPCs). On the market in September 2015 and unlisted since — roughly 11 years.
Installation of double glazed sliding doors to rear elevation to replace door and window
Casterbridge has more than tripled in price since its earliest registered sale in 2001.
£650,000
Modelled from EPC, postcode comparables and a sale-price growth of 8.9% per year over 14 years.
£650,000
Growth on file: 8.9% per year over 14 years.
On price per m², Casterbridge stands well clear of the street.
Price per m²
£9,028
Street avg £5,509
Floor Area
72 m²
Street avg 66 m²
Habitable Rooms
3 rooms
Street avg 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
Single glazing replaced with double or better glazing
Wall insulation upgraded
More low energy lighting installed
Are we missing something? Tell us about home improvements to help adjust your valuation.
2 September 2015Most recent
£650,000
+229.1%over 13 years4 September 2001
£197,500
Median price across the last 5 sales in W11 1DR: £525,000 (2025–2014).
Casterbridge Flat 39 Dartmouth Close Westminster London
Sold Jul 2025
Casterbridge Flat 28 Dartmouth Close Westminster London
Sold May 2017
Casterbridge Flat 11 Dartmouth Close Westminster London
Sold Aug 2016
Casterbridge Flat 40 Dartmouth Close Westminster London
Sold Mar 2015
Casterbridge Flat 18 Dartmouth Close Westminster London
Sold Sept 2014
CO₂ Emissions
2.0 t/year
Street avg 2.2 t/year
W11 1JB
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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