8a, Aperfield Road, Biggin Hill, Westerham, TN16 3LU
About 8a
8a is a three-bedroom semi-detached house in Biggin Hill, Westerham, Westerham (TN16 3LU). It has a recorded floor area of 85 m² (around 915 sq ft), construction records dating it to 1950-1966 and council tax band D. The latest certificate (January 2020) shows an E (score 39), well below the UK norm with real room to improve. The recommended improvements would lift it to B (score 84), a 3-band jump.
At 85 m² it sits well below the postcode median (126 m² across 22 EPCs), making it one of the more compact homes locally. It lags the bulk of the postcode on energy efficiency (less efficient than 82% of similar EPCs). 3 planning records sit against the property, 1 approved, 1 refused. Past consents include an extension, meaningful when judging how the property has evolved. Today's modelled estimate of £445,000 is 34.8% above the 2020 sale price. Last sale on file: £330,000 in July 2020.
Know exactly what you're buying at 8a
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
Outside
- Private gardenRear
- GarageYes
Energy performance
8a's carbon output runs well above what efficient homes in the postcode produce.
EPC Rating
Planning history
8a has 3 separate extension applications on the council record.
- Feb 2022ExtensionOutlineIn report
Extension: Single storey · Rear of property
Single storey rear extension, extending beyond the rear wall of the original house by 5m, for which the maximum height would be 3.9m, and for which the height of the eaves would be 3m (42 Day Notification for Householder Permitted Development Prior Approval)
- Agent
- White & Sons
- Documents
- 8 docs on file
- Reference
- 22/00081/HHPA
- Jan 2021ExtensionOutlineIn report
Extension: Single storey · Rear of property
Single storey rear extension, extending beyond the rear wall of the original house by 5m, for which the maximum height would be 3.9m, and for which the height of the eaves would be 3m (42 Day Notification for Householder Permitted Development Prior Approval)
- Agent
- White & Son
- Documents
- 11 docs on file
- Reference
- 20/04930/HHPA
We flagged 1 thing worth checking at 8a
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
The latest sale landed in the post-pandemic price surge — useful context when reading the figure.
£445,000
Modelled from EPC, postcode comparables.
£330,000
Recorded with HM Land Registry.
Sales timeline
22 July 2020Most recent
£330,000
Median price across the last 5 sales in TN16 3LU: £595,000 (2024–2019).
Nearby sales in TN16 3LU
41a, Aperfield Road, Biggin Hill, Westerham, TN16 3LU
Sold May 2024
£595,00030 Aperfield Road, Biggin Hill, Westerham, TN16 3LU
Sold Oct 2023
£780,0008 Aperfield Road, Biggin Hill, Westerham, TN16 3LU
Sold Nov 2021
£445,00026 Aperfield Road, Biggin Hill, Westerham, TN16 3LU
Sold Feb 2021
£650,0006 Aperfield Road, Biggin Hill, Westerham, TN16 3LU
Sold Jul 2019
£517,500
Everything we know about 8a, 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 Aperfield Road homes
EPC Rating for 8a lags the street by a wide margin.
Price per m²
£3,882
Street avg £3,932
Floor Area
85 m²
Street avg 138 m²
Habitable Rooms
4 rooms
Street avg 6 rooms
CO₂ Emissions
7.6 t/year
Street avg 5.9 t/year
Similar properties 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
0.2 km
Church Road / Old Tye Avenue — 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
46.1dB

Night-time· 23:00 – 07:00
38.6dB