5a, Aperfield Road, Biggin Hill, Westerham, TN16 3LU
About 5a
5a is a detached house in Biggin Hill, Westerham, Westerham (TN16 3LU). It has a recorded floor area of 176 m² (around 1894 sq ft), construction records dating it to 1930-1949 and council tax band F. The latest certificate (January 2023) shows an E (score 53), well below the UK norm with real room to improve. The recommended improvements would lift it to C (score 79), a 2-band jump.
Untraded for 25 years, with the last transfer in September 2001. At 176 m² the property is well over the postcode median (123 m² across 22 EPCs), placing it in the larger end of the local stock. It lags the bulk of the postcode on energy efficiency (less efficient than 82% of similar EPCs). Today's modelled estimate of £784,000 sits 150.9% above the 2001 sale of £312,500. On a £-per-square-foot basis, the last sale (£165/sq ft) was about 49.4% below the postcode norm. 2 planning records sit against the property, 2 approved, 0 refused. Past consents include an extension, meaningful when judging how the property has evolved.
Know exactly what you're buying at 5a
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
5a's carbon output runs well above what efficient homes in the postcode produce.
EPC Rating
Planning history
5a has 2 separate extension applications on the council record.
- Aug 2001ExtensionFullIn report
Extension: Side and rear of property
Single storey front and rear extensions
- Reference
- 01/02287/FULL1
- Jul 2000ExtensionFullIn report
Extension: Side and rear of property
Single storey front and rear extensions
- Reference
- 00/01781/FULL1
We flagged 1 thing worth checking at 5a
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
5a valuation sits well clear of the typical sold price in this postcode.
£784,000
Modelled from EPC, postcode comparables.
£312,500
Recorded with HM Land Registry.
Sales timeline
11 September 2001Most recent
£312,500
Median price across the last 5 sales in TN16 3LU: £595,000 (2024–2020).
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
£650,0008a, Aperfield Road, Biggin Hill, Westerham, TN16 3LU
Sold Jul 2020
£330,000
Everything we know about 5a, 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
CO₂ Emissions for 5a lags the street by a wide margin.
Price per m²
£1,776
Street avg £4,049
Floor Area
176 m²
Street avg 134 m²
Habitable Rooms
8 rooms
Street avg 6 rooms
CO₂ Emissions
9.9 t/year
Street avg 5.8 t/year
Similar properties nearby
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1 Arthur Road, Biggin Hill
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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