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Get started7 Sunna Gardens is a four-bedroom semi-detached house in Sunbury On Thames (TW16 5EE). It has a recorded floor area of 117 m² (around 1259 sq ft), construction records dating it to 1950-1966 and council tax band F. The latest certificate (May 2021) shows a D (score 67), on the cusp of jumping into the C band. The rating has held steady at D across 2 certificates since July 2011. Between certificates, window efficiency went from Average to Good; while roof efficiency dropped from Good to Poor and hot-water efficiency dropped from Good to Average. The recommended improvements would lift it to B (score 84), a 2-band jump. Our model identifies extension potential, subject to local planning policy.
Sale prices here have outpaced England HPI: 5.6% per year against 0% for the wider region. Today's modelled estimate of £884,000 is 10.5% above the 2021 sale price. On a £-per-square-foot basis, the last sale (£635/sq ft) was about 112.7% above the typical sold price in the postcode. One planning record on file: an extension approved in 2016. Past consents include an extension and partial demolition, meaningful when judging how the property has evolved. Most recent transfer: November 2021 at £800,000. That sale was during the post-pandemic price surge, when transactions cleared materially above pre-2020 trend.
Recommended upgrades on file would lift this property by multiple EPC bands.
Planning history includes recorded demolition works, indicating a major rebuild phase at this address.
Latest sale on 7 Sunna Gardens was the highest on Land Registry record across the postcode.
£884,000
Modelled from EPC, postcode comparables and a sale-price growth of 5.6% per year over 15 years.
£800,000
Growth on file: 5.6% per year over 15 years.
Price per m² for 7 Sunna Gardens runs comfortably ahead of the street norm.
Price per m²
£6,838
Street avg £4,333
Floor Area
117 m²
Street avg 123 m²
Habitable Rooms
6 rooms
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
0.3 km

Daytime· 07:00 – 23:00
49.8dB

Changes detected from historical EPC data
Hot water system changed
Window efficiency improved
Are we missing something? Tell us about home improvements to help adjust your valuation.
Extension: Part single, part two storey
Erection of part single, part two storey side extension and single storey front extension following demolition of existing garage and store
5 November 2021Most recent
£800,000
+62.6%over 5 years24 November 2015
£492,000
+40.2%over 9 years1 September 2006
£351,000
Median price across the last 5 sales in TW16 5EE: £650,000 (2025–2021).
Street avg 6 rooms
CO₂ Emissions
4.1 t/year
Street avg 4.8 t/year
TW16 5JX
Oakington Drive — bus stop.
Closest school
0.1 km
Chennestone Primary School. 21 schools nearby.
Night-time· 23:00 – 07:00
40.4dB
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