13 Allum Grove, Tadworth, KT20 5HX
About 13 Allum Grove
13 Allum Grove is a two-bedroom semi-detached house in Tadworth (KT20 5HX). It has a recorded floor area of 78 m² (around 840 sq ft), construction records dating it to 1983-1990 and council tax band D. The property has an EV charger on record, all of which lower running costs and tend to lift resale appeal. The home occupies a cul-de-sac position. The latest certificate (January 2025) shows a C (score 70). The recommended improvements would push it to B (score 85).
At 78 m² the property is well over the postcode median (54 m² across 28 EPCs), placing it in the larger end of the local stock. Today's modelled estimate of £416,000 sits 77% above the 2013 sale of £235,000. On a £-per-square-foot basis, the last sale (£280/sq ft) was about 16.2% below the postcode norm. 2 planning records sit against the property, 2 approved, 0 refused. Past consents include an extension and a loft conversion, meaningful when judging how the property has evolved. On the market in June 2013 and unlisted since — roughly 13 years.
Know exactly what you're buying at 13 Allum Grove
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
- Bedrooms2
- Bathrooms1
- StudyYes
Outside
- Private gardenYes
- DrivewayYes
- Cul-de-sacYes
Building
- EV chargerYes
Energy performance
EPC Rating
Planning history
Planning history includes both a loft conversion and an extension — the classic family-home expansion.
- Jul 2025Loft ConversionOutlineIn report
Side roof dormer extension with flat roof, involving conversion of loft space to habitable use.
Extension- Documents
- 12 docs on file
- Reference
- 25/00897/CLP
- Jul 2025ExtensionFullIn report
Extension: Single storey · Side and rear of property
Single storey side and rear extensions. Installation of rooflights to flat and sloping roofs. Internal alterations.
- Documents
- 12 docs on file
- Reference
- 25/00911/HHOLD
We flagged 1 thing worth checking at 13 Allum Grove
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
13 Allum Grove valuation sits well clear of the typical sold price in this postcode.
£416,000
Modelled from EPC, postcode comparables.
£235,000
Recorded with HM Land Registry.
Sales timeline
23 June 2013Most recent
£235,000
Median price across the last 5 sales in KT20 5HX: £240,000 (2022–2017).
Nearby sales in KT20 5HX
Everything we know about 13 Allum Grove, 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 Allum Grove homes
On floor area, 13 Allum Grove stands well clear of the street.
EPC Rating
70 (C)
Street avg 82 (B)
Floor Area
78 m²
Street avg 50 m²
CO₂ Emissions
2.9 t/year
Street avg 1.2 t/year
Habitable Rooms
4 rooms
Street avg 2 rooms
Similar properties nearby
1 Bidhams Crescent
KT20 5HE
1 Christopher Court, High Street
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1 Broadfield Close
KT20 5HW
1 Corner Farm Close
KT20 5SJ
1 Aylsham Road
KT20 5FS
1 Avenue Close
KT20 5DF
1 Anmer Close
KT20 5FF
1 Birchgate Mews, Bidhams Crescent
KT20 5EN
The neighbourhood at a glance
Rail-style transport is unusually close for this postcode.
Crime
1/mo
Steady year-on-year across the wider district.
Nearest stop
0.0 km
Allum Grove — bus stop.
Closest school
0.9 km
Epsom Downs Community School & Early Years Centres. 7 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
48.7dB

Night-time· 23:00 – 07:00
39.4dB