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20 Avondale Road, Bromley, London, SE9 4SN

Property type
Semi-detached
Bedrooms
5
Bathrooms
2
Floor area
87 m²
936 sq ft
Energy rating
E
Score 45
Council tax
Band E
Tenure
Owner Occupied
Overview

About 20 Avondale Road

A plain-English summary derived from public records, EPC certificates, sold prices and local data.

20 Avondale Road is a five-bedroom semi-detached house in Bromley, London, London (SE9 4SN). It has a recorded floor area of 87 m² (around 936 sq ft), construction records dating it to 1930-1949 and council tax band E. The latest certificate (October 2024) shows an E (score 45), well below the UK norm with real room to improve. The recommended improvements would lift it to C (score 70), a 2-band jump.

A recent sale: £542,000 in February 2025. At 87 m² it sits well below the postcode median (125 m² across 20 EPCs), making it one of the more compact homes locally. It lags the bulk of the postcode on energy efficiency (less efficient than 75% of similar EPCs). 5 bedrooms is on the larger side for this postcode, where 4 is the typical count. Today's modelled estimate of £678,000 is 25.1% above the 2025 sale price. On a £-per-square-foot basis, the last sale (£579/sq ft) was about 115.4% above the typical sold price in the postcode.

Specifications

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

  • Bedrooms5
  • Bathrooms2
Before you decide

Everything you need to know about 20 Avondale Road

The true value, the hidden risks and the full sale history, in one report.

Signs of HMO activity in the areaLarger development activity nearby
£14.99one-off

30-day money-back guarantee

Preview of the full property report

The data behind every report

  • HM Land Registry, source of sold price history
  • Department for Education, source of schools data
  • Police.uk, source of crime statistics
  • Department for Transport, source of stations and transport links
  • Environment Agency, source of flood risk data
  • Department for Environment, Food & Rural Affairs, source of road noise data
  • PlanIt, source of planning application records
  • Beautiful Places, source of nearby scenic places
Energy

Energy performance

Every EPC certificate filed against this property — current rating, recorded improvements, and where there's headroom to reach a higher band.

Recommended upgrades on file would lift this property by multiple EPC bands.

EPC Rating

A
B
C
D
E
E45
F
G
Main Heating
Gas
Main Fuel
Gas
Hot Water
Good
Windows
Average
CO2 Emissions
5.9 t/year
Occupancy
Owner Occupied
Planning

Planning history

Applications and permits filed against 20 Avondale Road, Bromley, London, SE9 4SN, sourced from the PlanIt planning register.

20 Avondale Road has no planning applications on record.

Notable planning nearby

16applications of note in the surrounding area

Before you offer

We flagged 2 things worth checking at 20 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
£14.99

30-day money-back guarantee

Price

Sales history & valuation

Recorded transactions, our model's current estimate, and a quick read on what neighbouring properties have sold for.

20 Avondale Road valuation sits well clear of the typical sold price in this postcode.

Current estimate

£678,000

Modelled from EPC, postcode comparables.

See how we calculated this
Last sold (2025)

£542,000

Recorded with HM Land Registry.

Sales timeline

  1. 13 February 2025Most recent

    £542,000

Median price across the last 5 sales in SE9 4SN: £660,000 (2025–2021).

On the street

Versus other Avondale Road homes

Four headline reads against 20 similar houses on this street, drawn from the latest EPC and Land Registry data.

Price per m² for 20 Avondale Road runs comfortably ahead of the street norm.

Price per m²

£6,230

Street avg £3,748

Strongly above

Floor Area

87 m²

Street avg 125 m²

Strongly below

Habitable Rooms

5 rooms

Street avg 6 rooms

Strongly below

CO₂ Emissions

5.9 t/year

Street avg 5.7 t/year

Below
Before you decide

Everything you need to know about 20 Avondale Road

The true value, the hidden risks and the full sale history, in one report.

Signs of HMO activity in the areaLarger development activity nearby
£14.99one-off

30-day money-back guarantee

Preview of the full property report

The data behind every report

  • HM Land Registry, source of sold price history
  • Department for Education, source of schools data
  • Police.uk, source of crime statistics
  • Department for Transport, source of stations and transport links
  • Environment Agency, source of flood risk data
  • Department for Environment, Food & Rural Affairs, source of road noise data
  • PlanIt, source of planning application records
  • Beautiful Places, source of nearby scenic places
Comparables

Similar properties nearby

A handful of close matches in the same postcode area, ranked by likeness on bedrooms, type and floor area.
£718k

1 Elmhurst Road, Bromley

SE9 4DW

5 bed2 bath
£673k

1 Beaconsfield Road, Bromley

SE9 4DJ

4 bed3 bath
£840k

1 Avondale Road, Bromley

SE9 4SN

4 bed2 bath
£397k

1 Cattistock Road, Bromley

SE9 4AW

4 bed
£430k

1 Blanchard Close, Bromley

SE9 4TZ

3 bed1 bath
£397k

1 Dittisham Road, Bromley

SE9 4BJ

3 bed
£395k

1 Bentfield Gardens, Lewisham

SE9 4PN

3 bed1 bath
£523k

1 Clayhill Crescent, Lewisham

SE9 4JA

1 bed
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.
Full London report

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.

Noise

Road noise across the postcode

Modelled day and night-time noise levels around SE9 4SN from Defra's strategic mapping. The pin marks this postcode's centroid.
Daytime road noise heatmap for SE9 4SN

Daytime· 07:00 – 23:00

51.6dB

Low
Night-time road noise heatmap for SE9 4SN

Night-time· 23:00 – 07:00

41.8dB

Low
55 dB
60 dB
65 dB
70 dB
75 dB
80 dB
Defra Road Noise Strategic Mapping, Round 4
FAQ

Common questions

The questions buyers, sellers and homeowners most often ask about 20 Avondale Road, Bromley, London, SE9 4SN. Each answer is also embedded as structured data for search engines.