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Get started9 Astell Street, Kensington And Chelsea, London, SW3 3RT
5 planning records
About 9 Astell Street
A plain-English summary derived from public records, EPC certificates, sold prices and local data.
9 Astell Street is a four-bedroom mid-terrace house in Kensington And Chelsea, London, London (SW3 3RT). It has a recorded floor area of 292 m² (around 3143 sq ft), construction records dating it to before 1900 and council tax band H. Period features are noted in the property record. The latest certificate (October 2024) shows a C (score 71). The recommended improvements would push it to B (score 82).
Sale prices here have outpaced London HPI: 8.3% per year against 0% for the wider region. On a £-per-square-foot basis, the last sale (£2,084/sq ft) was about 44.3% above the typical sold price in the postcode. Most recent transfer was May 2025 at £6,550,000 — fresh data. 5 planning records sit against the property, 3 approved, 1 refused. Past consents include an extension, a basement excavation and a conservatory, meaningful when judging how the property has evolved. At 292 m² it's 17.7% larger than the typical home in the postcode (248 m² median across 10 EPCs). Its energy rating outperforms most of the postcode (better than 80% of similar EPCs).
What this property has
Pulled from EPC certificates, claim submissions and our property model. Empty categories are hidden — we only show what's known.
Inside
- Bedrooms4
- Bathrooms3
Outside
- Private gardenYes
- Garage
Energy performance
Every EPC certificate filed against this property — current rating, recorded improvements, and where there's headroom to reach a higher band.
9 Astell Street's carbon output runs well above what efficient homes in the postcode produce.
EPC Rating
A
B
C
C71
D
E
F
G
Main Heating
Electric & Gas
Main Fuel
Gas
Hot Water
Good
Windows
Poor
CO2 Emissions
7.6 t/year
Occupancy
Owner Occupied
Planning history
Applications and permits filed against 9 Astell Street, Kensington And Chelsea, London, SW3 3RT, sourced from the PlanIt planning register.
- Sept 2010ApplicationDischarge of Conditions - Grant
Discharge of Condition no. 6 attached to PP/08/03072.
Sales history & valuation
Recorded transactions, our model's current estimate, and a quick read on what neighbouring properties have sold for.
Price for 9 Astell Street has grown more than fourfold since the 1995 starting point.
Current estimate
See how we calculated this£6,382,000
Modelled from EPC, postcode comparables and a sale-price growth of 8.3% per year over 30 years.
Last sold (2025)
£6,550,000
Growth on file: 8.3% per year over 30 years.
Sales timeline
Full property reportLaunch offer · 33% off
The complete analysis of 9 Astell Street, Kensington And Chelsea, London, SW3 3RT
Everything we know about this property, compiled into one in-depth, downloadable report.
Versus other Astell Street homes
Four headline reads against 10 similar houses on this street, drawn from the latest EPC and Land Registry data.
Years Held for 9 Astell Street lags the street by a wide margin.
Price per m²
£22,432
Street avg £19,680
Floor Area
292 m²
Street avg 256 m²
Habitable Rooms
8 rooms
Similar properties nearby
A handful of close matches in the same postcode area, ranked by likeness on bedrooms, type and floor area.
The neighbourhood at a glance
A condensed read of the local area. Each tile links through to the full breakdown on the London district page.
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
Chelsea Old Town Hall — bus stop.
Road noise across the postcode
Modelled day and night-time noise levels around SW3 3RT from Defra's strategic mapping. The pin marks this postcode's centroid.
Daytime· 07:00 – 23:00
56.7dB
Everything within walking distance
Schools, transport stops and scenic spots near this property — 86 points of interest in total.
Common questions
The questions buyers, sellers and homeowners most often ask about 9 Astell Street, Kensington And Chelsea, London, SW3 3RT. Each answer is also embedded as structured data for search engines.