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Get started18a is a three-bedroom mid-terrace house in Kensington And Chelsea, London, London (W8 6JP). It has a recorded floor area of 133 m² (around 1432 sq ft), construction records dating it to before 1900 and council tax band G. The latest certificate (June 2025) shows a D (score 58), a step below the typical UK home. Earlier certificates rated it C (December 2009); the latest reading is one band lower. Between certificates, wall efficiency went from Very Poor to Good, roof efficiency went from Good to Very Good and window efficiency went from Poor to Good; while hot-water efficiency dropped from Good to Very Poor and main heating dropped from Good to Very Poor. Main heating runs on electricity. At 133 m² this is the 18th smallest of 21 units on EPC record in the building, where floor areas span 36–172 m². The building's EPC ratings span E to C across 21 units on file.
At 133 m² the property is well over the postcode median (71 m² across 22 EPCs), placing it in the larger end of the local stock. 5 planning records sit against the property, 3 approved, 1 refused. Today's modelled estimate of £2,290,000 is 15.9% above the 2020 sale price. Last sale on file: £1,975,000 in September 2020.
Details required by condition 8 (privacy obscured glazing, limited opening) of planning permission 21/00633 (Variation of condition 2 (compliance with approved drawings) of planning permission 20/01558 for minor internal layout changes necessitate the repositioning and omission of rooflights; a traditional, 5 pitched roof in lead to upper section of mansard is preferable to a flat roof)
The latest sale landed in the post-pandemic price surge — useful context when reading the figure.
£2,290,000
Modelled from EPC, postcode comparables.
£1,975,000
Recorded with HM Land Registry.
Floor Area for 18a runs comfortably ahead of the street norm.
EPC Rating
58 (D)
Street avg 63 (D)
Floor Area
133 m²
Street avg 49 m²
CO₂ Emissions
4.2 t/year
Rail-style transport is unusually close for this postcode.
Crime
9/mo
Rising year-on-year across the wider district.
Nearest stop
0.2 km
Cromwell Road / Earls Court Rd — bus stop.

Daytime· 07:00 – 23:00
58.1dB

Changes detected from historical EPC data
Wall insulation improved
More low energy lighting installed
Changed to a more efficient fuel source
Hot water system changed
Windows upgraded, improving insulation
Wall insulation upgraded
Heating controls upgraded for better temperature management
Hot water system upgraded
Window efficiency improved
Are we missing something? Tell us about home improvements to help adjust your valuation.
Variation of condition 2 (Compliance with approved drawings) of planning permission 20/01558 for minor internal layout changes necessitate the repositioning and omission of rooflights; a traditional, 5 pitched roof in lead to upper section of mansard is preferable to a flat roof.
3 more applications for this property
Join to see all planning history.
4 September 2020Most recent
£1,975,000
Median price across the last 5 sales in W8 6JP: £1,750,000 (2025–2022).
Flat A 20 Radley Mews London
Sold Mar 2025
6 Radley Mews Kensington And Chelsea London
Sold Mar 2023
9 Radley Mews Kensington And Chelsea London
Sold Feb 2023
25 Radley Mews Kensington And Chelsea London
Sold Jan 2023
3 Radley Mews Kensington And Chelsea London
Sold Mar 2022
Street avg 2.7 t/year
Habitable Rooms
3 rooms
Street avg 3 rooms
W8 6AX
Closest school
0.4 km
St Barnabas and St Philip's CofE Primary School. 70 schools nearby.
Night-time· 23:00 – 07:00
48.1dB
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