11 Forgefield, Biggin Hill, Westerham, TN16 3DS
About 11 Forgefield
11 Forgefield is a three-bedroom semi-detached house in Biggin Hill, Westerham, Westerham (TN16 3DS). It has a recorded floor area of 97 m² (around 1044 sq ft), construction records dating it to 1950-1966 and council tax band D. The latest certificate (September 2023) shows a D (score 64), on the cusp of jumping into the C band. The rating has held steady at D across 2 certificates since September 2012. Between certificates, wall efficiency went from Poor to Average, window efficiency went from Average to Good and lighting went from Very Poor to Very Good; while roof efficiency dropped from Good to Poor. The recommended improvements would lift it to B (score 85), a 2-band jump.
At 97 m² it's 21.3% larger than the typical home in the postcode (80 m² median across 11 EPCs). Across 2008–2024, sale prices on this property compounded at 4.5% per year. On a £-per-square-foot basis, the last sale (£462/sq ft) was about 53.9% above the typical sold price in the postcode. Most recent transfer: July 2024 at £482,500.
Know exactly what you're buying at 11 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
- CloakroomYes
Outside
- Private gardenRear
- GarageYes
Energy performance
Recommended upgrades on file would lift this property by multiple EPC bands.
EPC Rating
Property Improvements
Changes detected from historical EPC data
Heating controls upgraded for better temperature management
Window efficiency improved
Cavity wall insulation installed
More low energy lighting installed
Planning history
11 Forgefield has no planning applications on record.
Notable planning nearby
2applications of note in the surrounding area
We flagged 1 thing worth checking at 11 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
Sale price has at least doubled since 2008.
£478,000
Modelled from EPC, postcode comparables and a sale-price growth of 4.5% per year over 16 years.
£482,500
Growth on file: 4.5% per year over 16 years.
Sales timeline
21 July 2024Most recent
£482,500
+64.1%over 11 years28 May 2013
£294,000
+22.5%over 4 years18 September 2008
£240,000
Median price across the last 5 sales in TN16 3DS: £425,000 (2023–2020).
Nearby sales in TN16 3DS
20 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
£425,0002 Forgefield, Biggin Hill, Westerham, TN16 3DS
Sold Oct 2020
£365,000
Everything we know about 11 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
Years Held for 11 Forgefield lags the street by a wide margin.
Price per m²
£4,974
Street avg £4,580
Floor Area
97 m²
Street avg 94 m²
Habitable Rooms
4 rooms
Street avg 5 rooms
CO₂ Emissions
4.6 t/year
Street avg 4.4 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