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Get started12 Heathdene Road is a detached house in Wallington (SM6 0TD). It has a recorded floor area of 396 m² (around 4263 sq ft), construction records dating it to 1900-1929 and council tax band G. The latest certificate (January 2025) returns a high B (score 85), putting the home a stone's throw from an A rating. When first surveyed in May 2018 the rating was E, the property has climbed 3 bands since. Between certificates, wall efficiency went from Very Poor to Good, window efficiency went from Very Poor to Good and lighting went from Poor to Very Good.
8 planning records sit against the property, 3 approved, 3 refused, 2 pending. Past consents include solar panel installation, a loft conversion, an extension and a basement excavation, meaningful when judging how the property has evolved. An active application for an extension is awaiting a decision. Sale prices here have outpaced England HPI: 3.7% per year against 0.3% for the wider region. Today's modelled estimate of £1,403,000 is 16.9% above the 2025 sale price. On a £-per-square-foot basis, the last sale (£282/sq ft) was about 20.1% below the postcode norm. At 396 m² the property is well over the postcode median (175 m² across 9 EPCs), placing it in the larger end of the local stock. On energy efficiency it sits in the top 10% of properties in this postcode. It changed hands recently, sold September 2025 for £1,200,000.
12 Heathdene Road ranks among the most efficient homes in the postcode for energy use.
A new windows application was refused at 12 Heathdene Road in 2025.
Provision of replacement windows to dwelling.
Latest sale on 12 Heathdene Road was the highest on Land Registry record across the postcode.
£1,403,000
Modelled from EPC, postcode comparables and a sale-price growth of 3.7% per year over 6 years.
£1,200,000
Growth on file: 3.7% per year over 6 years.
Years Held for 12 Heathdene Road lags the street by a wide margin.
Price per m²
£3,030
Street avg £4,802
Floor Area
396 m²
Street avg 161 m²
Habitable Rooms
7 rooms
Rail-style transport is unusually close for this postcode.
Crime
3/mo
Steady year-on-year across the wider district.
Nearest stop
0.2 km
Blenheim Gardens (SM6) — bus stop.

Daytime· 07:00 – 23:00
52.3dB

Changes detected from historical EPC data
Heating controls upgraded for better temperature management
Single glazing replaced with double or better glazing
Wall insulation improved
Floor insulation added or improved
More low energy lighting installed
Solar PV panels (50 kWp) installed
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Installation of solar panels.
6 more applications for this property
Join to see all planning history.
17 September 2025Most recent
£1,200,000
12 January 2023
£1,200,000
+26.3%over 3 years5 April 2019
£950,000
Median price across the last 5 sales in SM6 0TD: £800,000 (2024–2019).
Street avg 7 rooms
CO₂ Emissions
5.5 t/year
Street avg 6.4 t/year
SM6 0EG
Closest school
0.5 km
Wood Field Primary School. 38 schools nearby.
Night-time· 23:00 – 07:00
42.6dB
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