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9 Avondale Road, Bromley, London, SE9 4SN

3 planning records
Property type
Semi-detached
Habitable rooms
6
From EPC
Floor area
144 m²
1550 sq ft
Energy rating
D
Score 56
Council tax
Band E
Tenure
Social Rental
Overview

About 9 Avondale Road

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

9 Avondale Road is a semi-detached house in Bromley, London, London (SE9 4SN). It has a recorded floor area of 144 m² (around 1550 sq ft), construction records dating it to 1900-1929 and council tax band E. The latest certificate (July 2025) shows a D (score 56), a step below the typical UK home. When first surveyed in October 2023 the rating was E, the property has climbed 1 band since. Between certificates, roof efficiency went from Good to Very Good and lighting went from Average to Good. The recommended improvements would push it to C (score 76).

At 144 m² it's 17.1% larger than the typical home in the postcode (123 m² median across 20 EPCs). Today's modelled estimate of £649,000 is 29.8% above the 2024 sale price. On a £-per-square-foot basis, the last sale (£323/sq ft) was about 20% above the typical sold price in the postcode. 3 planning records sit against the property, 0 approved, 2 refused. Sold October 2024 for £500,000.

Before you decide

Everything you need to know about 9 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 nearbyA planning decision worth checking
£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.
Current Certificate(1 of 2)
Jul 2025

EPC Rating

A
B
C
D
D56
E
F
G
Main Heating
Gas
Main Fuel
Gas
Hot Water
Good
Windows
Poor
CO2 Emissions
5.3 t/year
Occupancy
Rented

Property Improvements

Changes detected from historical EPC data

Jul 2025from Oct 2023
EPC improved fromE49toD56
Heating Controls
Prog + StatFull

Heating controls upgraded for better temperature management

Windows
Partial DoubleFull Double

Windows upgraded, improving insulation

Roof
GoodVery Good

Roof insulation improved

Low Energy Lighting
38%100%

More low energy lighting installed

Planning

Planning history

Applications and permits filed against 9 Avondale Road, Bromley, London, SE9 4SN, sourced from the PlanIt planning register.

A subdivision application was refused at 9 Avondale Road in 2025.

  1. Jul 2025
    SubdivisionFull
    In report

    Extension: Single storey · Rear of property

    Construction of single storey rear extension, elevational alterations and conversion of enlarged dwelling to form 2 no. residential flats (1 no. 2 bedroom flat and 1 no. 3 bedroom flat) with cycle and refuse storage. REVISED FLOOR PLANS RECEIVED

    Agent
    Excel Planning
    Extension
    Documents
    218 docs on file
    Reference
    25/00401/FULL1
    View planning record
  2. Nov 2024
    HMOAmendment
    In report

    Elevational alterations and change of use of dwellinghouse (Class C3) to House in Multiple Occupation 6 bedroom/6 person) (Class C4) with associated refuse and cycle storage. REVISED PLANS AND ADDITIONAL INFORMATION RECEIVED 7/11/24

    Agent
    DOMENECH DESIGNS LTD
    Documents
    166 docs on file
    Reference
    24/03438/FULL2
    View planning record
Before you offer

We flagged 3 things worth checking at 9 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
  • A planning decision worth checking
£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.

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

Current estimate

£649,000

Modelled from EPC, postcode comparables.

See how we calculated this
Last sold (2024)

£500,000

Recorded with HM Land Registry.

Sales timeline

  1. 15 October 2024Most recent

    £500,000

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.

Years Held for 9 Avondale Road lags the street by a wide margin.

Price per m²

£3,472

Street avg £3,886

On par

Floor Area

144 m²

Street avg 123 m²

Strongly above

Habitable Rooms

6 rooms

Street avg 6 rooms

On par

CO₂ Emissions

5.3 t/year

Street avg 5.7 t/year

On par
Before you decide

Everything you need to know about 9 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 nearbyA planning decision worth checking
£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
£718k

1 Elmhurst Road, Bromley

SE9 4DW

5 bed2 bath
£523k

1 Clayhill Crescent, Lewisham

SE9 4JA

1 bed
£840k

1 Avondale Road, Bromley

SE9 4SN

4 bed2 bath
£489k

1 Dunkery Road, Lewisham

SE9 4HX

£465k

1 Ballantyne Close, Bromley

SE9 4EH

£430k

1 Blanchard Close, Bromley

SE9 4TZ

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