11 Avondale Road, Bromley, London, SE9 4SN
About 11 Avondale Road
11 Avondale Road is a four-bedroom semi-detached house in Bromley, London, London (SE9 4SN). It has a recorded floor area of 121 m² (around 1302 sq ft), construction records dating it to 1900-1929 and council tax band E. The latest certificate (July 2018) shows a D (score 63), on the cusp of jumping into the C band. When first surveyed in August 2010 the rating was E, the property has climbed 1 band since. Between certificates, window efficiency went from Poor to Average and lighting went from Average to Good; while hot-water efficiency dropped from Very Good to Good and main heating dropped from Very Good to Good. The recommended improvements would lift it to B (score 84), a 2-band jump.
Across 2012–2019, sale prices on this property compounded at 9.4% per year. Today's modelled estimate of £719,000 is 13.2% above the 2019 sale price. On a £-per-square-foot basis, the last sale (£488/sq ft) was about 78.4% above the typical sold price in the postcode. Last sale on file: £635,000 in August 2019.
What this property has
Inside
- Bedrooms4
- Bathrooms1
- Dining roomYes
- CloakroomYes
- EnsuiteYes
Outside
- Private gardenYes
Everything you need to know about 11 Avondale Road
The true value, the hidden risks and the full sale history, in one report.
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Energy performance
Recommended upgrades on file would lift this property by multiple EPC bands.
EPC Rating
Certificate validity
Valid until 3 July 2028
Property Improvements
Changes detected from historical EPC data
Heating controls upgraded for better temperature management
Hot water efficiency decreased
Windows upgraded, improving insulation
More low energy lighting installed
Get a survey for this property
Level 3 Building Survey
Because the property was built before 1919 and has solid (non-cavity) walls, we believe a Level 3 building survey should be considered.
From £1,220 · Includes VAT
Planning history
11 Avondale Road has no planning applications on record.
But the area is active
15 notable applications nearby — larger schemes and conversions that could reshape the street. The report maps them all.
Sales history & valuation
11 Avondale Road valuation sits well clear of the typical sold price in this postcode.
£719,000
Modelled from EPC, postcode comparables and a sale-price growth of 9.4% per year over 7 years.
£635,000
Growth on file: 9.4% per year over 7 years.
Sales timeline
1 August 2019Most recent
£635,000
+92.4%over 7 years29 April 2012
£330,000
Median price across the last 5 sales in SE9 4SN: £625,000 (2025–2024).
Nearby sales in SE9 4SN
1 Avondale Road, Bromley, London, SE9 4SN
Sold Dec 2025
£837,50020 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
£710,000
Versus other Avondale Road homes
11 Avondale Road outperforms the street on co₂ emissions by a wide margin.
Price per m²
£5,248
Street avg £3,828
Floor Area
121 m²
Street avg 124 m²
Habitable Rooms
7 rooms
Street avg 6 rooms
CO₂ Emissions
4.3 t/year
Street avg 5.8 t/year
Everything you need to know about 11 Avondale Road
The true value, the hidden risks and the full sale history, in one report.
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The neighbourhood at a glance
Rail-style transport is unusually close for this postcode.
Crime
428/mo
Steady 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
A Local Area 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






