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Get started2 Astell Street is a six-bedroom semi-detached house in Kensington And Chelsea, London, London (SW3 3RU). It has a recorded floor area of 501 m² (around 5393 sq ft), construction records dating it to before 1900 and council tax band H. The latest certificate (January 2023) shows a C (score 72). When first surveyed in August 2015 the rating was F, the property has climbed 3 bands since. Between certificates, wall efficiency went from Very Poor to Poor, window efficiency went from Poor to Average and hot-water efficiency went from Poor to Good. The recommended improvements would push it to B (score 83).
Sale prices here have outpaced London HPI: 7.3% per year against 0% for the wider region. Today's modelled estimate of £9,692,000 sits 143.8% above the 2014 sale of £3,975,000. At 501 m² the property is well over the postcode median (258 m² across 17 EPCs), placing it in the larger end of the local stock. Its energy rating outperforms most of the postcode (better than 82% of similar EPCs). 6 bedrooms is on the larger side for this postcode, where 4 is the typical count. 16 planning records sit against the property, 8 approved, 5 refused. Past consents include an extension and a basement excavation, meaningful when judging how the property has evolved. 11 years since the last transfer (December 2014).
2 Astell Street's carbon output runs well above what efficient homes in the postcode produce.
2 Astell Street has 3 separate extension applications on the council record.
Installation of no.2 cast-iron railings with a pedestrian gate at front garden to secure ground floor level; Replacement of existing security grilles to french doors and windows facing Astell Street and Burnsall Street(Retrospective Application)
Sale price has at least doubled since 2004.
£9,692,000
Modelled from EPC, postcode comparables and a sale-price growth of 7.3% per year over 11 years.
£3,975,000
Growth on file: 7.3% per year over 11 years.
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Floor Area for 2 Astell Street runs comfortably ahead of the street norm.
Price per m²
£7,934
Street avg £11,072
Floor Area
501 m²
Street avg 260 m²
Habitable Rooms
14 rooms
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
Markham Street — bus stop.

Daytime· 07:00 – 23:00
56.6dB

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
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Extension: Rear of property
Infill construction to two storey rear extension at first and second floors.
14 more applications for this property
Join to see all planning history.
30 December 2014Most recent
£3,975,000
+114.9%over 10 years29 January 2004
£1,850,000
Median price across the last 5 sales in SW3 3RU: £4,375,000 (2024–2018).
6 Astell Street Kensington And Chelsea London
Sold Jan 2024
34 Astell Street Kensington And Chelsea London
Sold Mar 2023
32 Astell Street Kensington And Chelsea London
Sold Aug 2022
20 Astell Street Kensington And Chelsea London
Sold Sept 2019
18 Astell Street Kensington And Chelsea London
Sold Oct 2016
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Street avg 8 rooms
CO₂ Emissions
12.0 t/year
Street avg 11.3 t/year
SW3 3JE
Closest school
0.2 km
Oratory Roman Catholic Primary School. 53 schools nearby.
Night-time· 23:00 – 07:00
46.6dB