7 Forgefield, Biggin Hill, Westerham, TN16 3DS
About 7 Forgefield
7 Forgefield is a three-bedroom semi-detached house in Biggin Hill, Westerham, Westerham (TN16 3DS). It has a recorded floor area of 133 m² (around 1432 sq ft), construction records dating it to 1950-1966 and council tax band D. The latest certificate (January 2022) shows a D (score 66), on the cusp of jumping into the C band. When first surveyed in August 2011 the rating was E, the property has climbed 1 band since. Between certificates, window efficiency went from Average to Good and lighting went from Average to Very Good; while roof efficiency dropped from Good to Very Poor. The recommended improvements would push it to C (score 77). Records show the property has been extended at some point in its history.
At 133 m² the property is well over the postcode median (80 m² across 11 EPCs), placing it in the larger end of the local stock. 3 planning records sit against the property, 1 approved, 1 refused. Past consents include an extension, meaningful when judging how the property has evolved. Across 2011–2022, sale prices on this property compounded at 7.6% per year. On a £-per-square-foot basis, the last sale (£370/sq ft) was about 25.2% above the typical sold price in the postcode. Most recent transfer: May 2022 at £529,000. That sale was during the post-pandemic price surge, when transactions cleared materially above pre-2020 trend.
Know exactly what you're buying at 7 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
- Bathrooms2
- Dining roomYes
Outside
- GarageDetached
Building
- Previously extendedYes
- RefurbishedYes
Energy performance
EPC Rating
Property Improvements
Changes detected from historical EPC data
Window efficiency improved
More low energy lighting installed
Planning history
7 Forgefield has 2 separate extension applications on the council record.
- Sept 2012Loft ConversionOutlineIn report
Insertion of rooflights in front and rear elevation and conversion of roof space to habitable accommodationCERTIFICATE OF LAWFULNESS FOR A PROPOSED DEVELOPMENT
- Documents
- 6 docs on file
- Reference
- 12/02116/PLUD
- Apr 2012ExtensionFullIn report
Extension: Side and rear of property
Single storey front, side and rear extension with steps to side and rear.
- Documents
- 4 docs on file
- Reference
- 12/00374/FULL6
We flagged 1 thing worth checking at 7 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
Latest sale on 7 Forgefield was the highest on Land Registry record across the postcode.
£527,000
Modelled from EPC, postcode comparables and a sale-price growth of 7.6% per year over 11 years.
£529,000
Growth on file: 7.6% per year over 11 years.
Sales timeline
31 May 2022Most recent
£529,000
+117.2%over 10 years9 November 2011
£243,500
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
£482,50020 Forgefield, Biggin Hill, Westerham, TN16 3DS
Sold Nov 2023
£455,00010 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 7 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
On floor area, 7 Forgefield stands well clear of the street.
Price per m²
£3,977
Street avg £4,723
Floor Area
133 m²
Street avg 91 m²
Habitable Rooms
5 rooms
Street avg 5 rooms
CO₂ Emissions
5.0 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