20 Ashfield Lane, Chislehurst, BR7 6LQ
About 20 Ashfield Lane
20 Ashfield Lane is a five-bedroom detached house in Chislehurst (BR7 6LQ). It has a recorded floor area of 266 m² (around 2863 sq ft), construction records dating it to before 1900 and council tax band G. The latest certificate (July 2015) shows an E (score 42), well below the UK norm with real room to improve. The recommended improvements would lift it to C (score 69), a 2-band jump. The latest certificate is from July 2015, so improvements made since then won't be reflected.
4 planning records sit against the property, 2 approved, 0 refused. Past consents include an extension, meaningful when judging how the property has evolved. The record references conservation-area consent, which constrain future alterations. At 266 m² it's 26.1% larger than the typical home in the postcode (211 m² median across 16 EPCs). Across 2007–2019, sale prices on this property compounded at 1.6% per year. Today's modelled estimate of £1,551,000 is 29.3% above the 2019 sale price. Last sale on file: £1,200,000 in January 2019.
Know exactly what you're buying at 20 Ashfield Lane
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
- Bedrooms5
- Bathrooms3
- EnsuiteYes
Energy performance
20 Ashfield Lane's carbon output runs well above what efficient homes in the postcode produce.
EPC Expired
This certificate is over 10 years old and is no longer valid.Expired 01 Jul 2025
EPC Rating
Planning history
Multiple extension applications run across more than a decade of planning history at 20 Ashfield Lane.
- Jun 2015Tree WorksTreesIn report
Fell T1- Cuppressus Leylandii, T2- Acer Pseudoplatanus and T3 - Picea - trees are located towards the left hand side of the rear garden.
- Agent
- The Tree Co
- Documents
- 5 docs on file
- Reference
- 15/02099/TREE
- Sept 2014ExtensionFullIn report
Extension: Single storey
First floor link extension
- Agent
- MPA Building Management
- Documents
- 12 docs on file
- Reference
- 14/02937/FULL6
We flagged 1 thing worth checking at 20 Ashfield Lane
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
20 Ashfield Lane valuation sits well clear of the typical sold price in this postcode.
£1,551,000
Modelled from EPC, postcode comparables and a sale-price growth of 1.6% per year over 12 years.
£1,200,000
Growth on file: 1.6% per year over 12 years.
Sales timeline
24 January 2019Most recent
£1,200,000
+20.0%over 11 years17 April 2007
£1,000,000
Median price across the last 5 sales in BR7 6LQ: £1,395,000 (2024–2021).
Nearby sales in BR7 6LQ
12 Ashfield Lane, Chislehurst, BR7 6LQ
Sold Jan 2024
£830,00016 Ashfield Lane, Chislehurst, BR7 6LQ
Sold Sept 2023
£1,395,00028 Ashfield Lane, Chislehurst, BR7 6LQ
Sold Oct 2022
£1,770,00016c, Ashfield Lane, Chislehurst, BR7 6LQ
Sold May 2022
£1,450,00016a, Ashfield Lane, Chislehurst, BR7 6LQ
Sold Sept 2021
£1,140,000
Everything we know about 20 Ashfield Lane, 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 Ashfield Lane homes
On habitable rooms, 20 Ashfield Lane stands well clear of the street.
Price per m²
£4,511
Street avg £4,857
Floor Area
266 m²
Street avg 261 m²
Habitable Rooms
10 rooms
Street avg 7 rooms
CO₂ Emissions
16.0 t/year
Street avg 9.2 t/year
Similar properties nearby
1 Cardinal Close
BR7 6SA
1 Bridgewater Close
BR7 6QU
1 Buckingham Drive
BR7 6TB
1 Albany Road
BR7 6BG
1 Broadheath Drive
BR7 6EU
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BR7 6DP
1 Benson Mews
BR7 6FD
1 Beechwood Rise
BR7 6TF
The neighbourhood at a glance
Crime
3/mo
Steady year-on-year across the wider district.
Nearest stop
0.3 km
Bromley Lane / Chislehurst War Memorial — bus stop.
Closest school
0.5 km
St Nicholas Church of England Primary. 25 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
52.9dB

Night-time· 23:00 – 07:00
44.8dB