1 Allenby Road, Biggin Hill, Westerham, TN16 3LH
About 1 Allenby Road
1 Allenby Road is a three-bedroom detached house in Biggin Hill, Westerham, Westerham (TN16 3LH). It has a recorded floor area of 118 m² (around 1270 sq ft), construction records dating it to 1967-1975 and council tax band F. The latest certificate (August 2022) shows an E (score 54), well below the UK norm with real room to improve. The recommended improvements would lift it to C (score 75), a 2-band jump.
One planning record on file: an extension approved in 2010. Past consents include an extension, meaningful when judging how the property has evolved. It lags the bulk of the postcode on energy efficiency (less efficient than 76% of similar EPCs). Across 2008–2023, sale prices on this property compounded at 6.7% per year. On a £-per-square-foot basis, the last sale (£590/sq ft) was about 85.6% above the typical sold price in the postcode. Last sale on file: £750,000 in February 2023.
Know exactly what you're buying at 1 Allenby Road
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
- Private gardenYes
- GarageYes
Energy performance
1 Allenby Road's carbon output runs well above what efficient homes in the postcode produce.
EPC Rating
Planning history
1 Allenby Road has an approved single-storey rear extension on the planning record.
- Jun 2010ExtensionFullIn report
Extension: Single storey · Rear of property
Single storey rear extension
- Documents
- 6 docs on file
- Reference
- 10/01436/FULL6
We flagged 1 thing worth checking at 1 Allenby Road
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 1 Allenby Road was the highest on Land Registry record across the postcode.
£732,000
Modelled from EPC, postcode comparables and a sale-price growth of 6.7% per year over 14 years.
£750,000
Growth on file: 6.7% per year over 14 years.
Sales timeline
10 February 2023Most recent
£750,000
+150.0%over 14 years20 November 2008
£300,000
Median price across the last 5 sales in TN16 3LH: £550,000 (2025–2023).
Nearby sales in TN16 3LH
27 Allenby Road, Biggin Hill, Westerham, TN16 3LH
Sold Oct 2025
£650,00023 Allenby Road, Biggin Hill, Westerham, TN16 3LH
Sold Oct 2025
£450,00018 Allenby Road, Biggin Hill, Westerham, TN16 3LH
Sold Dec 2024
£550,00019 Allenby Road, Biggin Hill, Westerham, TN16 3LH
Sold Jul 2024
£430,0002a, Allenby Road, Biggin Hill, Westerham, TN16 3LH
Sold Jun 2023
£700,000
Everything we know about 1 Allenby Road, 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 Allenby Road homes
1 Allenby Road outperforms the street on price per m² by a wide margin.
Price per m²
£6,356
Street avg £4,569
Floor Area
118 m²
Street avg 108 m²
Habitable Rooms
5 rooms
Street avg 5 rooms
CO₂ Emissions
7.0 t/year
Street avg 4.9 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
Village Green Way — bus stop.
Closest school
0.6 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
47.1dB

Night-time· 23:00 – 07:00
39.0dB