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Get started4 Sunna Gardens is a four-bedroom semi-detached house in Sunbury On Thames (TW16 5EF). It has a recorded floor area of 149 m² (around 1604 sq ft), construction records dating it to 1950-1966 and council tax band F. The latest certificate (June 2019) shows a D (score 66), on the cusp of jumping into the C band. The recommended improvements would push it to C (score 73).
Sale prices here have outpaced England HPI: 3.7% per year against 0% for the wider region. Today's modelled estimate of £828,000 is 33.5% above the 2020 sale price. At 149 m² the property is well over the postcode median (104 m² across 13 EPCs), placing it in the larger end of the local stock. One planning record on file: a loft conversion approved in 2016. Past consents include a loft conversion, meaningful when judging how the property has evolved. Most recent transfer: February 2020 at £620,000.
Certificate of proposed development for the conversion of the loft space to habitable accommodation together with the installation of 4 front roof lights and a rear dormer window including Juliet balcony and metal railings.
The latest sale landed in the post-pandemic price surge — useful context when reading the figure.
£828,000
Modelled from EPC, postcode comparables and a sale-price growth of 3.7% per year over 14 years.
£620,000
Growth on file: 3.7% per year over 14 years.
Floor Area for 4 Sunna Gardens runs comfortably ahead of the street norm.
Price per m²
£4,161
Street avg £5,335
Floor Area
149 m²
Street avg 115 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
49.9dB

28 February 2020Most recent
£620,000
+66.7%over 14 years27 February 2006
£372,000
Median price across the last 5 sales in TW16 5EF: £805,000 (2025–2023).
Street avg 6 rooms
CO₂ Emissions
5.1 t/year
Street avg 4.6 t/year
TW16 5BJ
Bowater Gardens — bus stop.
Closest school
0.1 km
Chennestone Primary School. 19 schools nearby.
Night-time· 23:00 – 07:00
40.3dB
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