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Get startedSandbourne is a four-bedroom mid-terrace house in Westminster, London, London (W11 1DS). It has a recorded floor area of 86 m² (around 926 sq ft), construction records dating it to 1967-1975 and council tax band D. The latest certificate (November 2020) shows a C (score 78), near the top of the C band. The rating has held steady at C across 2 certificates since September 2009. Between certificates, window efficiency went from Very Poor to Good; while wall efficiency dropped from Average to Poor. The recommended improvements would push it to B (score 81). At 86 m² this is the 21st smallest of 31 units on EPC record in Sandbourne, where floor areas span 25–129 m². The building's EPC ratings span D to B across 31 units on file.
It hasn't traded since November 2005, a hold of 20 years that's notably long for the area. Today's modelled estimate of £531,000 sits 112.4% above the 2005 sale of £250,000. On a £-per-square-foot basis, the last sale (£270/sq ft) was about 47% below the postcode norm. At 86 m² it's 17% larger than the typical home in the postcode (74 m² median across 30 EPCs).
Sandbourne valuation sits well clear of the typical sold price in this postcode.
£531,000
Modelled from EPC, postcode comparables.
£250,000
Recorded with HM Land Registry.
Habitable Rooms for Sandbourne runs comfortably ahead of the street norm.
Price per m²
£2,907
Street avg £6,036
Floor Area
86 m²
Street avg 72 m²
Habitable Rooms
5 rooms
Rail-style transport is unusually close for this postcode.
Crime
18/mo
Rising year-on-year across the wider district.
Nearest stop
0.0 km
Great Western Road (W11) — bus stop.

Daytime· 07:00 – 23:00
60.8dB

Changes detected from historical EPC data
Changed to a more efficient fuel source
Single glazing replaced with double or better glazing
Are we missing something? Tell us about home improvements to help adjust your valuation.
23 November 2005Most recent
£250,000
Median price across the last 5 sales in W11 1DS: £675,000 (2025–2015).
Sandbourne Flat 8 Dartmouth Close Westminster London
Sold Mar 2025
Sandbourne Flat 38 Dartmouth Close Westminster London
Sold Mar 2025
Sandbourne Flat 39 Dartmouth Close Westminster London
Sold Jun 2016
Sandbourne Flat 14 Dartmouth Close Westminster London
Sold Mar 2016
Sandbourne Flat 15 Dartmouth Close Westminster London
Sold Mar 2014
Street avg 3 rooms
CO₂ Emissions
2.0 t/year
Street avg 2.4 t/year
W11 1JD
Closest school
0.1 km
St. Mary of the Angels Catholic Primary School. 78 schools nearby.
Night-time· 23:00 – 07:00
51.5dB
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