18 Avondale Road, Bromley, London, SE9 4SN
About 18 Avondale Road
18 Avondale Road is a four-bedroom semi-detached house in Bromley, London, London (SE9 4SN). It has a recorded floor area of 85 m² (around 915 sq ft), construction records dating it to 1900-1929 and council tax band E. The latest certificate (September 2022) shows a D (score 55), a step below the typical UK home. When first surveyed in June 2014 the rating was F, the property has climbed 2 bands since. Between certificates, roof efficiency went from Very Poor to Average, hot-water efficiency went from Poor to Average and lighting went from Poor to Good. The recommended improvements would lift it to B (score 85), a 2-band jump.
Untraded for 20 years, with the last transfer in July 2006. Today's modelled estimate of £549,000 sits 119.6% above the 2006 sale of £250,000. At 85 m² it sits well below the postcode median (125 m² across 20 EPCs), making it one of the more compact homes locally. One historical planning record sits against the property in 2003.
What this property has
Inside
- Bedrooms4
- Bathrooms1
Outside
- Private gardenYes
- DrivewayYes
Energy performance
Recommended upgrades on file would lift this property by multiple EPC bands.
EPC Rating
Property Improvements
Changes detected from historical EPC data
Hot water efficiency improved
Roof insulation improved
Floor insulation added or improved
More low energy lighting installed
Planning history
- Sept 2003ExtensionOutlineIn report
Extension: Rear of property
Single storey rear extension CERTIFICATE OF LAWFULNESS FOR A PROPOSED DEVELOPMENT
- Documents
- 2 docs on file
- Reference
- 03/02648/PLUD
We flagged 2 things worth checking at 18 Avondale Road
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.
- Signs of HMO activity in the area
- Larger development activity nearby
30-day money-back guarantee
Sales history & valuation
18 Avondale Road valuation sits well clear of the typical sold price in this postcode.
£549,000
Modelled from EPC, postcode comparables.
£250,000
Recorded with HM Land Registry.
Sales timeline
26 July 2006Most recent
£250,000
Median price across the last 5 sales in SE9 4SN: £625,000 (2025–2024).
Nearby sales in SE9 4SN
20 Avondale Road, Bromley, London, SE9 4SN
Sold Feb 2025
£542,00012 Avondale Road, Bromley, London, SE9 4SN
Sold Feb 2025
£625,0009 Avondale Road, Bromley, London, SE9 4SN
Sold Oct 2024
£500,00035 Avondale Road, Bromley, London, SE9 4SN
Sold Aug 2024
£710,00024 Avondale Road, Bromley, London, SE9 4SN
Sold Feb 2024
£660,000
Versus other Avondale Road homes
On floor area, 18 Avondale Road runs well behind the street norm.
Price per m²
£2,941
Street avg £3,913
Floor Area
85 m²
Street avg 126 m²
Habitable Rooms
5 rooms
Street avg 6 rooms
CO₂ Emissions
4.6 t/year
Street avg 5.7 t/year
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The neighbourhood at a glance
Rail-style transport is unusually close for this postcode.
Crime
6/mo
Rising year-on-year across the wider district.
Nearest stop
0.1 km
Mottingham / Prince Of Wales — bus stop.
Closest school
0.6 km
St Vincent's Catholic Primary School. 35 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
51.6dB

Night-time· 23:00 – 07:00
41.8dB








