21 Forgefield, Biggin Hill, Westerham, TN16 3DS
About 21 Forgefield
21 Forgefield is a property in Biggin Hill, Westerham, Westerham (TN16 3DS). It has council tax band D.
Untraded for 24 years, with the last transfer in June 2002. One planning record on file: an extension approved in 2012. Past consents include an extension, meaningful when judging how the property has evolved. Across 1996–2002, sale prices on this property compounded at 18.2% per year.
Know exactly what you're buying at 21 Forgefield
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
Energy performance
No EPC on record
This property doesn't have an Energy Performance Certificate yet. An EPC is required to sell or let — and unlocks our automated valuation.
Planning history
21 Forgefield has an approved single-storey side extension on the planning record.
- Nov 2012ExtensionFullIn report
Extension: Single storey · Side of property
Single story side extension
- Documents
- 12 docs on file
- Reference
- 12/03160/FULL6
We flagged 1 thing worth checking at 21 Forgefield
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 Forgefield has more than doubled in price since the earliest registered sale in 1996.
£217,500
Growth on file: 18.2% per year over 6 years.
Sales timeline
11 June 2002Most recent
£217,500
+159.7%over 5 years26 September 1996
£83,750
Median price across the last 5 sales in TN16 3DS: £455,000 (2024–2021).
Nearby sales in TN16 3DS
11 Forgefield, Biggin Hill, Westerham, TN16 3DS
Sold Jul 2024
£482,50020 Forgefield, Biggin Hill, Westerham, TN16 3DS
Sold Nov 2023
£455,0007 Forgefield, Biggin Hill, Westerham, TN16 3DS
Sold May 2022
£529,00010 Forgefield, Biggin Hill, Westerham, TN16 3DS
Sold May 2021
£395,00013 Forgefield, Biggin Hill, Westerham, TN16 3DS
Sold Jan 2021
£425,000
Everything we know about 21 Forgefield, 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

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The neighbourhood at a glance
Daytime road noise here sits well below conversation level — a quiet pocket of the postcode.
Crime
3/mo
Steady year-on-year across the wider district.
Nearest stop
0.1 km
Maple Leaf Close — bus stop.
Closest school
0.5 km
Biggin Hill Primary School. 5 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
49.5dB

Night-time· 23:00 – 07:00
40.3dB