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Get started14 Astell Street, Kensington And Chelsea, London, SW3 3RU
1 planning record
About 14 Astell Street
A plain-English summary derived from public records, EPC certificates, sold prices and local data.
14 Astell Street is a mid-terrace house in Kensington And Chelsea, London, London (SW3 3RU). It has a recorded floor area of 285 m² (around 3068 sq ft), construction records dating it to before 1900 and council tax band H. The latest certificate (January 2026) shows a C (score 70). The rating has held steady at C across 2 certificates since February 2014. Between certificates, wall efficiency went from Very Poor to Poor, window efficiency went from Poor to Good and lighting went from Very Poor to Good; while roof efficiency dropped from Poor to Very Poor. The recommended improvements would push it to B (score 81). This certificate was lodged in the last six months, so the rating reflects current condition.
Held since April 2005 — that's 21 years off the open market, well above the local norm. Today's modelled estimate of £4,408,000 sits 440.2% above the 2005 sale of £816,000. On a £-per-square-foot basis, the last sale (£266/sq ft) was about 62.8% below the postcode norm. One planning record on file: an extension approved in 2006. Past consents include an extension and a basement excavation, meaningful when judging how the property has evolved. Its energy rating outperforms most of the postcode (better than 82% of similar EPCs).
Energy performance
Every EPC certificate filed against this property — current rating, recorded improvements, and where there's headroom to reach a higher band.
14 Astell Street's carbon output runs well above what efficient homes in the postcode produce.
Current Certificate(1 of 2)
Jan 2026
EPC Rating
A
B
C
C70
D
E
F
G
Main Heating
Electric & Gas
Main Fuel
Gas
Hot Water
Good
Windows
Good
CO2 Emissions
7.2 t/year
Occupancy
Owner Occupied
Planning history
Applications and permits filed against 14 Astell Street, Kensington And Chelsea, London, SW3 3RU, sourced from the PlanIt planning register.
- Oct 2006BasementFullGrant Planning Permission/Consent
Excavate and form new basement under front part of house including landscaping front garden.
Sales history & valuation
Recorded transactions, our model's current estimate, and a quick read on what neighbouring properties have sold for.
14 Astell Street's modelled value sits at over four times its earliest registered sale price (2005).
Current estimate
See how we calculated this£4,408,000
Modelled from EPC, postcode comparables.
Last sold (2005)
£816,000
Recorded with HM Land Registry.
Sales timeline
Full property reportLaunch offer · 33% off
The complete analysis of 14 Astell Street, Kensington And Chelsea, London, SW3 3RU
Everything we know about this property, compiled into one in-depth, downloadable report.
Versus other Astell Street homes
Four headline reads against 17 similar houses on this street, drawn from the latest EPC and Land Registry data.
14 Astell Street is notably below the street on price per m².
Price per m²
£2,863
Street avg £11,495
Floor Area
285 m²
Street avg 273 m²
Habitable Rooms
10 rooms
Street avg 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
Markham Street — bus stop.
Road noise across the postcode
Modelled day and night-time noise levels around SW3 3RU from Defra's strategic mapping. The pin marks this postcode's centroid.
Daytime· 07:00 – 23:00
56.6dB
Everything within walking distance
Schools, transport stops and scenic spots near this property — 83 points of interest in total.
Common questions
The questions buyers, sellers and homeowners most often ask about 14 Astell Street, Kensington And Chelsea, London, SW3 3RU. Each answer is also embedded as structured data for search engines.