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Get started17 Oak Grove is a four-bedroom semi-detached house in Sunbury On Thames (TW16 5BN). It has a recorded floor area of 122 m² (around 1313 sq ft), construction records dating it to 1967-1975 and council tax band E. The latest certificate (February 2020) shows a D (score 66), on the cusp of jumping into the C band. The recommended improvements would push it to C (score 80). Our model identifies extension potential, subject to local planning policy. The home occupies a corner plot.
At 122 m² the property is well over the postcode median (76 m² across 15 EPCs), placing it in the larger end of the local stock. 2 planning records sit against the property, 1 approved, 1 refused. Past consents include an extension, meaningful when judging how the property has evolved. Today's modelled estimate of £659,000 is 31.8% above the 2020 sale price. Most recent transfer: October 2020 at £500,000.
17 Oak Grove has 2 separate extension applications on the council record.
Extension: Single storey · Rear of property
Prior approval notification for a single storey rear extension measuring 4.5 metres in depth beyond the rear wall of the original dwelling house and a maximum height of 3.2 metres and a height of 3.0 metres to the eaves.
The latest sale landed in the post-pandemic price surge — useful context when reading the figure.
£659,000
Modelled from EPC, postcode comparables.
£500,000
Recorded with HM Land Registry.
Price per m² for 17 Oak Grove lags the street by a wide margin.
Price per m²
£4,098
Street avg £5,599
Floor Area
122 m²
Street avg 102 m²
Habitable Rooms
7 rooms
Street avg 5 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
Kempton Park Rail Station — railway station.

Daytime· 07:00 – 23:00
57.4dB

Extension: Single storey · Rear of property
Certificate of Lawfulness for the proposed development of a single storey rear extension (REFUND DONE)
1 October 2020Most recent
£500,000
Median price across the last 5 sales in TW16 5BN: £520,000 (2025–2022).
CO₂ Emissions
4.4 t/year
Street avg 4.0 t/year
TW16 5DU
Closest school
0.6 km
St Paul's Catholic College. 31 schools nearby.
Night-time· 23:00 – 07:00
48.9dB
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