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21 Avondale Road, Bromley, London, SE9 4SN

Property type
Semi-detached
Bedrooms
4
Floor area
130 m²
1399 sq ft
Energy rating
E
Score 46
Council tax
Band E
Tenure
Owner Occupied
Overview

About 21 Avondale Road

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

21 Avondale Road is a four-bedroom semi-detached house in Bromley, London, London (SE9 4SN). It has a recorded floor area of 130 m² (around 1399 sq ft), construction records dating it to 1930-1949 and council tax band E. The latest certificate (December 2018) shows an E (score 46), well below the UK norm with real room to improve. The recommended improvements would push it to D (score 68).

Today's modelled estimate of £684,000 sits 119.2% above the 2013 sale of £312,000. On a £-per-square-foot basis, the last sale (£223/sq ft) was about 18.4% below the postcode norm. It lags the bulk of the postcode on energy efficiency (less efficient than 75% of similar EPCs). Last changed hands 13 years ago, in July 2013.

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

  • Bedrooms4
  • EnsuiteYes

Outside

  • ParkingOff street

Building

  • Central heatingYes
  • RefurbishedYes
Before you decide

Everything you need to know about 21 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.

21 Avondale Road's carbon output runs well above what efficient homes in the postcode produce.

EPC Rating

A
B
C
D
E
E46
F
G
Main Heating
Gas
Main Fuel
Gas
Hot Water
Good
Windows
Average
CO2 Emissions
7.8 t/year
Occupancy
Owner Occupied
Planning

Planning history

Applications and permits filed against 21 Avondale Road, Bromley, London, SE9 4SN, sourced from the PlanIt planning register.

21 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 21 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.

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

Current estimate

£684,000

Modelled from EPC, postcode comparables.

See how we calculated this
Last sold (2013)

£312,000

Recorded with HM Land Registry.

Sales timeline

  1. 1 July 2013Most recent

    £312,000

Median price across the last 5 sales in SE9 4SN: £625,000 (2025–2024).

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.

EPC Rating for 21 Avondale Road lags the street by a wide margin.

Price per m²

£2,400

Street avg £3,940

Strongly below

Floor Area

130 m²

Street avg 123 m²

Above

Habitable Rooms

5 rooms

Street avg 6 rooms

Strongly below

CO₂ Emissions

7.8 t/year

Street avg 5.6 t/year

Strongly below
Before you decide

Everything you need to know about 21 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.
£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
£718k

1 Elmhurst Road, Bromley

SE9 4DW

5 bed2 bath
£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
£407k

1 Duddington Close, Bromley

SE9 4JD

2 bed1 bath
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 21 Avondale Road, Bromley, London, SE9 4SN. Each answer is also embedded as structured data for search engines.