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Get started21 Rose Square is a three-bedroom end-of-terrace house in Kensington And Chelsea, London, London (SW3 6RS). It has a recorded floor area of 251 m² (around 2702 sq ft), construction records dating it to 1996-2002 and council tax band H. The latest certificate (May 2025) shows an F (score 30), near the bottom of the EPC scale. The recommended improvements would lift it to C (score 79), a 3-band jump. Main heating runs on electricity. At 251 m² this is the 41st smallest of 44 units on EPC record in the building, where floor areas span 51–676 m². The building's EPC ratings span G to D across 44 units on file.
Untraded for 26 years, with the last transfer in December 1999. Only one transfer is on record with HM Land Registry, suggesting it has stayed in the same hands for a long time. At 251 m² the property is well over the postcode median (150 m² across 43 EPCs), placing it in the larger end of the local stock. It lags the bulk of the postcode on energy efficiency (less efficient than 81% of similar EPCs). Today's modelled estimate of £6,620,000 sits 146.6% above the 1999 sale of £2,685,000.
21 Rose Square's carbon output runs well above what efficient homes in the postcode produce.
21 Rose Square has been held in the same hands since before 2000.
£6,620,000
Modelled from EPC, postcode comparables.
£2,685,000
Recorded with HM Land Registry.
Everything we know about this property, compiled into one in-depth, downloadable report.
21 Rose Square outperforms the street on floor area by a wide margin.
Price per m²
£10,697
Street avg £19,129
Floor Area
251 m²
Street avg 156 m²
Habitable Rooms
6 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
Royal Brompton Hosp / Royal Marsden Hosp — bus stop.

Daytime· 07:00 – 23:00
58.8dB

9 December 1999Most recent
£2,685,000
Median price across the last 5 sales in SW3 6RS: £2,841,500 (2025–2023).
47 Rose Square Fulham Road Kensington And Chelsea London
Sold Apr 2025
38 Rose Square Fulham Road Kensington And Chelsea London
Sold Sept 2024
3 Rose Square Fulham Road Kensington And Chelsea London
Sold Jul 2024
44 Rose Square Fulham Road Kensington And Chelsea London
Sold Apr 2024
62 Rose Square Fulham Road Kensington And Chelsea London
Sold Dec 2023
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Street avg 4 rooms
CO₂ Emissions
11.0 t/year
Street avg 6.8 t/year
SW3 6RS
Closest school
0.3 km
Oratory Roman Catholic Primary School. 60 schools nearby.
Night-time· 23:00 – 07:00
48.4dB