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12 Allenby Road, Biggin Hill, Westerham, TN16 3LH

Notable views3 planning records
Property type
Semi-detached
Bedrooms
2
Bathroom
1
Floor area
57 m²
614 sq ft
Energy rating
E
Score 43
Council tax
Band D
Tenure
Owner Occupied
Overview

About 12 Allenby Road

A plain-English summary derived from public records, EPC certificates, sold prices and local data.

12 Allenby Road is a two-bedroom semi-detached house in Biggin Hill, Westerham, Westerham (TN16 3LH). It has a recorded floor area of 57 m² (around 614 sq ft), construction records dating it to 1950-1966 and council tax band D. The latest certificate (July 2017) shows an E (score 43), well below the UK norm with real room to improve. The recommended improvements would lift it to B (score 89), a 3-band jump. Main heating runs on electricity. Other recorded features include notable views.

At 57 m² it sits well below the postcode median (115 m² across 21 EPCs), making it one of the more compact homes locally. It lags the bulk of the postcode on energy efficiency (less efficient than 76% of similar EPCs). 3 planning records sit against the property, 1 approved, 0 refused. Past consents include an extension, meaningful when judging how the property has evolved. Today's modelled estimate of £424,000 is 15.2% above the 2017 sale price. On a £-per-square-foot basis, the last sale (£600/sq ft) was about 102.7% above the typical sold price in the postcode. Last sold in December 2017, so it's been off the market for around 8 years.

Before you offer

Know exactly what you're buying at 12 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

Larger development activity nearby
£14.99
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Valuation

against the asking price

Risks

planning & flood

Sold prices

similar homes nearby

Trends

the local market

Specifications

What this property has

Pulled from EPC certificates, claim submissions and our property model. Empty categories are hidden — we only show what's known.

Inside

  • Bedrooms2
  • Bathrooms1

Outside

  • Private gardenFront and rear
  • GarageDetached
  • Notable viewsYes
Energy

Energy performance

Every EPC certificate filed against this property — current rating, recorded improvements, and where there's headroom to reach a higher band.

12 Allenby Road's carbon output runs well above what efficient homes in the postcode produce.

EPC Rating

A
B
C
D
E
E43
F
G
Main Heating
Electric
Main Fuel
Electric
Hot Water
Very Poor
Windows
Average
CO2 Emissions
6.4 t/year
Occupancy
Owner Occupied
Planning

Planning history

Applications and permits filed against 12 Allenby Road, Biggin Hill, Westerham, TN16 3LH, sourced from the PlanIt planning register.

Planning history includes both a loft conversion and an extension — the classic family-home expansion.

  1. Nov 2024
    ExtensionFull
    In report

    Extension: Single storey · Rear of property

    Single storey rear extension.

    Agent
    Plan and Survey
    Documents
    7 docs on file
    Reference
    24/03568/FULL6
    View planning record
  2. Nov 2018
    Loft ConversionAmendment
    In report

    Hip to gable loft conversion and rear dormer extension LAWFUL DEVELOPMENT CERTIFICATE (EXISTING)

    Agent
    Stefan Black Architect
    Retrospective
    Documents
    18 docs on file
    Reference
    18/03804/ELUD
    View planning record
Before you offer

We flagged 1 thing worth checking at 12 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
£14.99

30-day money-back guarantee

Price

Sales history & valuation

Recorded transactions, our model's current estimate, and a quick read on what neighbouring properties have sold for.

12 Allenby Road valuation sits well clear of the typical sold price in this postcode.

Current estimate

£424,000

Modelled from EPC, postcode comparables.

See how we calculated this
Last sold (2017)

£368,000

Recorded with HM Land Registry.

Sales timeline

  1. 7 December 2017Most recent

    £368,000

Median price across the last 5 sales in TN16 3LH: £550,000 (2025–2023).

Before you offer

Everything we know about 12 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
£14.99
Trusted by UK homebuyers
Preview of the full property report
On the street

Versus other Allenby Road homes

Four headline reads against 21 similar houses on this street, drawn from the latest EPC and Land Registry data.

12 Allenby Road is notably below the street on floor area.

Price per m²

£6,456

Street avg £4,563

Strongly above

Floor Area

57 m²

Street avg 111 m²

Strongly below

Habitable Rooms

3 rooms

Street avg 5 rooms

Strongly below

CO₂ Emissions

6.4 t/year

Street avg 5.0 t/year

Below
Area

The neighbourhood at a glance

A condensed read of the local area. Each tile links through to the full breakdown on the Westerham district page.

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.

Noise

Road noise across the postcode

Modelled day and night-time noise levels around TN16 3LH from Defra's strategic mapping. The pin marks this postcode's centroid.
Daytime road noise heatmap for TN16 3LH

Daytime· 07:00 – 23:00

47.1dB

Low
Night-time road noise heatmap for TN16 3LH

Night-time· 23:00 – 07:00

39.0dB

Low
55 dB
60 dB
65 dB
70 dB
75 dB
80 dB
Defra Road Noise Strategic Mapping, Round 4
FAQ

Common questions

The questions buyers, sellers and homeowners most often ask about 12 Allenby Road, Biggin Hill, Westerham, TN16 3LH. Each answer is also embedded as structured data for search engines.