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Get started11a is a two-bedroom mid-terrace house in Kensington And Chelsea, London, London (W11 3DA). It has a recorded floor area of 75 m² (around 807 sq ft) and construction records dating it to before 1900. At 75 m² this is the 3rd smallest of 5 units on EPC record in the building, where floor areas span 50–172 m². The building's EPC ratings span G to C, with this unit at the top. On EPC score it ranks first in the building (69 versus a worst of 1). The latest certificate (December 2025) shows a C (score 69), just inside the C band. When first surveyed in November 2015 the rating was E, the property has climbed 2 bands since. Between certificates, wall efficiency went from Very Poor to Poor, roof efficiency went from Very Poor to Good and lighting went from Very Poor to Very Good. This certificate was lodged in the last six months, so the rating reflects current condition.
Held since March 2005 — that's 21 years off the open market, well above the local norm. Sale prices here have outpaced London HPI: 17.1% per year against 0% for the wider region. Today's modelled estimate of £1,464,000 sits 62.7% above the 2005 sale of £900,000. On a £-per-square-foot basis, the last sale (£1,115/sq ft) was about 205.2% above the typical sold price in the postcode. At 75 m² it's 28.4% smaller than the typical home in the postcode (105 m² median across 5 EPCs). On energy efficiency it sits in the top 10% of properties in this postcode.
11a ranks among the most efficient homes in the postcode for energy use.
11a has more than quadrupled in price since its earliest registered sale in 1996.
£1,464,000
Modelled from EPC, postcode comparables and a sale-price growth of 17.1% per year over 9 years.
£900,000
Growth on file: 17.1% per year over 9 years.
EPC Rating for 11a runs comfortably ahead of the street norm.
Price per m²
£12,000
Street avg £8,902
Floor Area
75 m²
Street avg 103 m²
Habitable Rooms
4 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
Ladbroke Road — bus stop.

Daytime· 07:00 – 23:00
58.3dB

Changes detected from historical EPC data
Heating controls upgraded for better temperature management
Wall insulation improved
Loft insulation installed or upgraded to 250mm+
More low energy lighting installed
Are we missing something? Tell us about home improvements to help adjust your valuation.
9 March 2005Most recent
£900,000
+85.6%over 7 years23 May 1997
£485,000
+120.5%over 1 year9 April 1996
£220,000
Median price across the last 5 sales in W11 3DA: £1,600,000 (2025–2004).
13 Portobello Road Kensington And Chelsea London
Sold Mar 2025
15b Portobello Road London
Sold Oct 2018
23 Portobello Road Kensington And Chelsea London
Sold Jan 2012
15a Portobello Road London
Sold Jun 1999
21 Portobello Road Kensington And Chelsea London
Sold Sept 1996
CO₂ Emissions
2.5 t/year
Street avg 6.6 t/year
W11 3SU
Closest school
0.4 km
Fox Primary School. 79 schools nearby.
Night-time· 23:00 – 07:00
48.8dB
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