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Get started25 Gaston Way is a two-bedroom end-of-terrace house in Shepperton (TW17 8EZ). It has a recorded floor area of 63 m² (around 678 sq ft), construction records dating it to 1930-1949 and council tax band D. The latest certificate (May 2022) shows an E (score 39), well below the UK norm with real room to improve. The recommended improvements would push it to D (score 64). Our model identifies extension potential, subject to local planning policy.
On energy efficiency it sits in the bottom 10% of properties in this postcode — significant headroom for improvement. 2 planning records sit against the property, 2 approved, 0 refused. Past consents include an extension, a loft conversion and a porch, meaningful when judging how the property has evolved. Today's modelled estimate of £498,000 is 13.2% above the 2022 sale price. On a £-per-square-foot basis, the last sale (£649/sq ft) was about 119.9% above the typical sold price in the postcode. Most recent transfer: September 2022 at £440,000. That sale was during the post-pandemic price surge, when transactions cleared materially above pre-2020 trend.
25 Gaston Way sits at the bottom of the postcode for energy efficiency — meaningful headroom to improve.
Certificate of Lawfulness for the proposed development of a loft conversion to include a hip to gable extension, a rear facing dormer and 2 no. rooflights within the front roof slope. Raising the roof height of existing side extension, extending the length of the extension to meet the original rear elevation, plus installing a new back door and two side windows.
The latest sale landed in the post-pandemic price surge — useful context when reading the figure.
£498,000
Modelled from EPC, postcode comparables.
£440,000
Recorded with HM Land Registry.
EPC Rating for 25 Gaston Way lags the street by a wide margin.
Price per m²
£6,984
Street avg £4,756
Floor Area
63 m²
Street avg 70 m²
Habitable Rooms
3 rooms
Street avg 4 rooms
Rail-style transport is unusually close for this postcode.
Crime
2/mo
Steady year-on-year across the wider district.
Nearest stop
0.1 km
Russington Road — bus stop.

Daytime· 07:00 – 23:00
52.0dB

Extension: Single storey · Rear of property
Erection of a single storey rear extension with terrace and erection of a front porch
9 September 2022Most recent
£440,000
Median price across the last 5 sales in TW17 8EZ: £465,000 (2025–2023).
CO₂ Emissions
5.4 t/year
Street avg 2.9 t/year
TW17 8AL
Closest school
0.5 km
Thamesmead School. 19 schools nearby.
Flood risk
Low
From the Environment Agency.
Night-time· 23:00 – 07:00
43.8dB
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