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Get started15 Castle Close, Sunbury On Thames, TW16 7DU
About 15 Castle Close
A plain-English summary derived from public records, EPC certificates, sold prices and local data.
15 Castle Close is a two-bedroom semi-detached house in Sunbury On Thames (TW16 7DU). It has a recorded floor area of 52 m² (around 560 sq ft), construction records dating it to 1967-1975 and council tax band C. The latest certificate (March 2025) shows a D (score 64), on the cusp of jumping into the C band. The rating has held steady at D across 3 certificates since October 2009. Between certificates, window efficiency went from Average to Good, hot-water efficiency went from Poor to Average and lighting went from Average to Very Good; while wall efficiency dropped from Average to Poor. The recommended improvements would push it to C (score 75). Main heating runs on electricity.
Untraded for 16 years, with the last transfer in May 2010. Sale prices here have outpaced England HPI: 2.3% per year against 0% for the wider region. Today's modelled estimate of £283,000 sits 51.3% above the 2010 sale of £187,000. On a £-per-square-foot basis, the last sale (£334/sq ft) was about 15.5% above the typical sold price in the postcode.
What this property has
Pulled from EPC certificates, claim submissions and our property model. Empty categories are hidden — we only show what's known.
Inside
- Bedrooms2
Outside
- Private gardenYes
- Garageen_bloc
Energy performance
Every EPC certificate filed against this property — current rating, recorded improvements, and where there's headroom to reach a higher band.
Current Certificate(1 of 3)
Mar 2025
EPC Rating
A
B
C
D
D64
E
F
G
Main Heating
Electric
Main Fuel
Electric
Hot Water
Average
Windows
Good
CO2 Emissions
3.9 t/year
Occupancy
Owner Occupied
Sales history & valuation
Recorded transactions, our model's current estimate, and a quick read on what neighbouring properties have sold for.
15 Castle Close valuation sits well clear of the typical sold price in this postcode.
Current estimate
See how we calculated this£283,000
Modelled from EPC, postcode comparables and a sale-price growth of 2.3% per year over 7 years.
Last sold (2010)
£187,000
Growth on file: 2.3% per year over 7 years.
Sales timeline
Versus other Castle Close homes
Four headline reads against 14 similar flats on this street, drawn from the latest EPC and Land Registry data.
Floor Area for 15 Castle Close lags the street by a wide margin.
Price per m²
£3,596
Street avg £3,961
Floor Area
52 m²
Street avg 62 m²
Habitable Rooms
3 rooms
Street avg 3 rooms
Similar properties nearby
A handful of close matches in the same postcode area, ranked by likeness on bedrooms, type and floor area.
The neighbourhood at a glance
A condensed read of the local area. Each tile links through to the full breakdown on the Sunbury On Thames district page.
Rail-style transport is unusually close for this postcode.
Crime
3/mo
Steady year-on-year across the wider district.
Nearest stop
0.1 km
Windmill Road — bus stop.
Road noise across the postcode
Modelled day and night-time noise levels around TW16 7DU from Defra's strategic mapping. The pin marks this postcode's centroid.
Daytime· 07:00 – 23:00
56.0dB
Everything within walking distance
Schools, transport stops and scenic spots near this property — 53 points of interest in total.
Beautiful places to visit nearby
Curated scenic spots within reach of this postcode, served by Beautifulplaces.ai. Photography and tagging come from their open dataset.
Common questions
The questions buyers, sellers and homeowners most often ask about 15 Castle Close, Sunbury On Thames, TW16 7DU. Each answer is also embedded as structured data for search engines.