20 Forgefield, Biggin Hill, Westerham, TN16 3DS
About 20 Forgefield
20 Forgefield is a three-bedroom semi-detached house in Biggin Hill, Westerham, Westerham (TN16 3DS). It has a recorded floor area of 87 m² (around 936 sq ft), construction records dating it to 1950-1966 and council tax band D. The latest certificate (August 2023) shows a D (score 66), on the cusp of jumping into the C band. The recommended improvements would lift it to B (score 84), a 2-band jump. Other recorded features include a conservatory.
On a £-per-square-foot basis, the last sale (£486/sq ft) was about 66% above the typical sold price in the postcode. Most recent transfer: November 2023 at £455,000.
Know exactly what you're buying at 20 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
What this property has
Inside
- Bedrooms3
- Bathrooms1
- Dining roomYes
- ConservatoryYes
Outside
- Private gardenYes
- GarageYes
Energy performance
Recommended upgrades on file would lift this property by multiple EPC bands.
EPC Rating
Planning history
20 Forgefield has no planning applications on record.
Notable planning nearby
2applications of note in the surrounding area
We flagged 1 thing worth checking at 20 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
20 Forgefield valuation sits well clear of the typical sold price in this postcode.
£472,000
Modelled from EPC, postcode comparables.
£455,000
Recorded with HM Land Registry.
Sales timeline
6 November 2023Most recent
£455,000
Median price across the last 5 sales in TN16 3DS: £425,000 (2024–2020).
Nearby sales in TN16 3DS
11 Forgefield, Biggin Hill, Westerham, TN16 3DS
Sold Jul 2024
£482,5007 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
£425,0002 Forgefield, Biggin Hill, Westerham, TN16 3DS
Sold Oct 2020
£365,000
Everything we know about 20 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

Versus other Forgefield homes
Habitable Rooms for 20 Forgefield runs comfortably ahead of the street norm.
Price per m²
£5,230
Street avg £4,544
Floor Area
87 m²
Street avg 95 m²
Habitable Rooms
6 rooms
Street avg 5 rooms
CO₂ Emissions
3.6 t/year
Street avg 4.5 t/year
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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