21 Downs Avenue, Chislehurst, BR7 6HG
About 21 Downs Avenue
21 Downs Avenue is a four-bedroom semi-detached house in Chislehurst (BR7 6HG). It has a recorded floor area of 106 m² (around 1141 sq ft), construction records dating it to 1930-1949 and council tax band E. The latest certificate (August 2013) shows a D (score 61), on the cusp of jumping into the C band. The recommended improvements would lift it to B (score 84), a 2-band jump. The latest certificate is from August 2013, so improvements made since then won't be reflected. Other recorded features include a conservatory.
Today's modelled estimate of £676,000 is 24% above the 2015 sale price. On a £-per-square-foot basis, the last sale (£478/sq ft) was about 28.9% above the typical sold price in the postcode. Last changed hands 11 years ago, in October 2015.
Know exactly what you're buying at 21 Downs Avenue
Before you offer, see what the listing won't tell you, the true value, the red flags and the full history.
Already flagged here
Valuation
against the asking price
Risks
planning & flood
Sold prices
similar homes nearby
Trends
the local market
What this property has
Inside
- Bedrooms4
- Bathrooms2
- Dining roomYes
- EnsuiteYes
- ConservatoryYes
Outside
- Private gardenYes
- GarageYes
Energy performance
Recommended upgrades on file would lift this property by multiple EPC bands.
EPC Expired
This certificate is over 10 years old and is no longer valid.Expired 04 Aug 2023
EPC Rating
Planning history
21 Downs Avenue has no planning applications on record.
Notable planning nearby
6applications of note in the surrounding area
We flagged 1 thing worth checking at 21 Downs Avenue
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.
- Larger development activity nearby
30-day money-back guarantee
Sales history & valuation
21 Downs Avenue valuation sits well clear of the typical sold price in this postcode.
£676,000
Modelled from EPC, postcode comparables.
£545,000
Recorded with HM Land Registry.
Sales timeline
30 October 2015Most recent
£545,000
Median price across the last 5 sales in BR7 6HG: £610,000 (2025–2019).
Nearby sales in BR7 6HG
Everything we know about 21 Downs Avenue, in one report
What it's really worth, what could be wrong, and the planning, sales and area data in full.
What we flagged
- Larger development activity nearby

Versus other Downs Avenue homes
21 Downs Avenue is notably below the street on epc rating.
Price per m²
£5,142
Street avg £4,731
Floor Area
106 m²
Street avg 130 m²
Habitable Rooms
6 rooms
Street avg 6 rooms
CO₂ Emissions
4.6 t/year
Street avg 4.5 t/year
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The neighbourhood at a glance
Rail-style transport is unusually close for this postcode.
Crime
3/mo
Steady year-on-year across the wider district.
Nearest stop
0.2 km
St Keverne Road — bus stop.
Closest school
0.5 km
Elmstead Wood Primary School. 29 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
48.4dB

Night-time· 23:00 – 07:00
38.0dB