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Get started21 Holland Street is a one-bedroom mid-terrace house in Kensington And Chelsea, London, London (W8 4NA). It has a recorded floor area of 196 m² (around 2110 sq ft), construction records dating it to before 1900 and council tax band E. The latest certificate (April 2025) shows a C (score 69), just inside the C band. When first surveyed in March 2010 the rating was D, the property has climbed 1 band since. Between certificates, wall efficiency went from Very Poor to Poor, window efficiency went from Poor to Average and lighting went from Average to Very Good; while hot-water efficiency dropped from Very Good to Good and main heating dropped from Very Good to Good. The recommended improvements would push it to B (score 81).
At 196 m² the property is well over the postcode median (92 m² across 10 EPCs), placing it in the larger end of the local stock. On energy efficiency it sits in the top 10% of properties in this postcode. 1 bedrooms is on the smaller side for this postcode, where 3 is the typical count. On a £-per-square-foot basis, the last sale (£1,777/sq ft) was about 161% above the typical sold price in the postcode. Sold March 2020 for £3,750,000. One historical planning record sits against the property in 2013.
21 Holland Street ranks among the most efficient homes in the postcode for energy use.
Renovation and remodelling of rear elevation involving creation of roof terrace at 1st floor level, replacement fenestration and rooflights at rear, replace all glazing with double glazing
The latest sale landed in the post-pandemic price surge — useful context when reading the figure.
£3,502,000
Modelled from EPC, postcode comparables.
£3,750,000
Recorded with HM Land Registry.
On epc rating, 21 Holland Street stands well clear of the street.
Price per m²
£19,133
Street avg £15,227
Floor Area
196 m²
Street avg 234 m²
Habitable Rooms
8 rooms
Rail-style transport is unusually close for this postcode.
Crime
9/mo
Rising year-on-year across the wider district.
Nearest stop
0.1 km
Holland St /High St Kensington — bus stop.

Daytime· 07:00 – 23:00
55.5dB

Changes detected from historical EPC data
Heating controls upgraded for better temperature management
Hot water system upgraded
Windows upgraded, improving insulation
Wall insulation improved
More low energy lighting installed
Heating controls upgraded for better temperature management
Windows upgraded, improving insulation
Are we missing something? Tell us about home improvements to help adjust your valuation.
9 March 2020Most recent
£3,750,000
Median price across the last 5 sales in W8 4NA: £2,000,000 (2022–2019).
25 Holland Street Kensington And Chelsea London
Sold Aug 2022
23 Holland Street Kensington And Chelsea London
Sold Apr 2021
3 Holland Street Kensington And Chelsea London
Sold May 2020
11 Holland Street Kensington And Chelsea London
Sold Sept 2019
27 Holland Street Kensington And Chelsea London
Sold Jul 2019
Street avg 8 rooms
CO₂ Emissions
5.8 t/year
Street avg 13.0 t/year
W8 4JN
Closest school
0.1 km
St Mary Abbots CofE Primary School. 81 schools nearby.
Night-time· 23:00 – 07:00
46.4dB
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