21 Cairn Avenue, Ealing, London, W5 5HX
About 21 Cairn Avenue
21 Cairn Avenue is a four-bedroom mid-terrace house in Ealing, London, London (W5 5HX). It has a recorded floor area of 164 m² (around 1765 sq ft), construction records dating it to 1900-1929 and council tax band F. The latest certificate (May 2025) shows a C (score 71). When first surveyed in April 2014 the rating was D, the property has climbed 1 band since. Between certificates, window efficiency went from Very Poor to Average and lighting went from Poor to Very Good; while roof efficiency dropped from Average to Very Poor. The recommended improvements would push it to B (score 82).
Untraded for 20 years, with the last transfer in February 2006. Today's modelled estimate of £1,398,000 sits 194.3% above the 2006 sale of £475,000. On a £-per-square-foot basis, the last sale (£269/sq ft) was about 41.3% below the postcode norm. 4 planning records sit against the property, 3 approved, 1 refused. Past consents include an extension and a loft conversion, meaningful when judging how the property has evolved. At 164 m² it's 17.3% larger than the typical home in the postcode (140 m² median across 28 EPCs). Its energy rating outperforms most of the postcode (better than 89% of similar EPCs).
Know exactly what you're buying at 21 Cairn Avenue
Before you offer, see what the listing won't tell you, the true value, the red flags and the full history.
Already flagged here
Valuation
against the asking price
Risks
planning & flood
Sold prices
similar homes nearby
Trends
the local market
What this property has
Inside
- Bedrooms4
- Bathrooms2
Energy performance
EPC Rating
Property Improvements
Changes detected from historical EPC data
Heating controls changed
Windows upgraded, improving insulation
More low energy lighting installed
Planning history
21 Cairn Avenue has 3 separate extension applications on the council record.
- Oct 2018ExtensionOutlineIn report
Extension: Single storey · Rear of property
Single storey rear extension (max 5.5m Deep and max 3m high)(folllowing demolition of existing outrigger) (42 Days Prior Approval Notification Process)
- Agent
- TPP Ltd
- Documents
- 7 docs on file
- Reference
- 184159PALHE
- Sept 2018Loft ConversionOutlineIn report
Rear roof extension; installation of two roof lights to the front roof slope (Lawful Development Certificate for a Proposed Development)
- Agent
- TPP LTD
- Documents
- 9 docs on file
- Reference
- 183029CPL
We flagged 1 thing worth checking at 21 Cairn Avenue
Independent checks surfaced things a buyer would want to understand before offering. The report explains each one in full, with the underlying data and what to ask.
- Larger development activity nearby
30-day money-back guarantee
Sales history & valuation
21 Cairn Avenue valuation sits well clear of the typical sold price in this postcode.
£1,398,000
Modelled from EPC, postcode comparables.
£475,000
Recorded with HM Land Registry.
Sales timeline
20 February 2006Most recent
£475,000
Median price across the last 5 sales in W5 5HX: £1,450,000 (2025–2023).
Nearby sales in W5 5HX
8 Cairn Avenue, Ealing, London, W5 5HX
Sold May 2025
£1,550,0009 Cairn Avenue, Ealing, London, W5 5HX
Sold May 2025
£1,547,5006 Cairn Avenue, Ealing, London, W5 5HX
Sold Apr 2024
£1,125,00015 Cairn Avenue, Ealing, London, W5 5HX
Sold Dec 2023
£1,450,000Cairn House, Ground Floor Flat, Cairn Avenue, Ealing, London, W5 5HX
Sold Oct 2023
£580,000
Everything we know about 21 Cairn Avenue, in one report
What it's really worth, what could be wrong, and the planning, sales and area data in full.
What we flagged
- Larger development activity nearby

Versus other Cairn Avenue homes
21 Cairn Avenue outperforms the street on epc rating by a wide margin.
Price per m²
£2,896
Street avg £6,991
Floor Area
164 m²
Street avg 142 m²
Habitable Rooms
6 rooms
Street avg 6 rooms
CO₂ Emissions
4.7 t/year
Street avg 6.3 t/year
Similar properties nearby
1 Holinser Terrace, Ealing
W5 5BD
1 Gideon Mews, Ealing
W5 5EL
1 Church Lane, Ealing
W5 5HD
1 Disraeli Road, Ealing
W5 5HS
1 Lammas Park Gardens, Ealing
W5 5HZ
1 Blandford Road, Ealing
W5 5RL
1 Keswick Mews, Ealing
W5 5PG
1 Clovelly Road, Ealing
W5 5HF
The neighbourhood at a glance
Rail-style transport is unusually close for this postcode.
Crime
14/mo
Rising year-on-year across the wider district.
Nearest stop
0.2 km
Warwick Road / University Of West London — bus stop.
Closest school
0.4 km
Grange Primary School. 38 schools nearby.
Go deeper on the local area
The full report breaks down crime, transport links, schools and air quality in depth.
Road noise across the postcode

Daytime· 07:00 – 23:00
50.6dB

Night-time· 23:00 – 07:00
40.8dB