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Get started13 Castle Close, Sunbury On Thames, TW16 7DU
About 13 Castle Close
A plain-English summary derived from public records, EPC certificates, sold prices and local data.
13 Castle Close is a semi-detached house in Sunbury On Thames (TW16 7DU). It has a recorded floor area of 60 m² (around 646 sq ft), construction records dating it to 1967-1975 and council tax band C. The latest certificate (May 2025) shows an E (score 40), well below the UK norm with real room to improve. When first surveyed in May 2024 the rating was F, the property has climbed 1 band since. Between certificates, window efficiency went from Average to Good. The recommended improvements would lift it to C (score 76), a 2-band jump. Main heating runs on electricity. At 60 m² this is the 8th smallest of 15 units on EPC record in the building, where floor areas span 48–113 m². The building's EPC ratings span E to C, with this unit at the bottom. On EPC score it ranks last in the building (40 versus a best of 78).
It hasn't traded since September 1998, a hold of 28 years that's notably long for the area. Only one transfer is on record with HM Land Registry, suggesting it has stayed in the same hands for a long time. Today's modelled estimate of £269,000 sits 244.9% above the 1998 sale of £78,000. On a £-per-square-foot basis, the last sale (£121/sq ft) was about 59.3% below the postcode norm. It lags the bulk of the postcode on energy efficiency (less efficient than 71% of similar EPCs).
Energy performance
Every EPC certificate filed against this property — current rating, recorded improvements, and where there's headroom to reach a higher band.
Recommended upgrades on file would lift this property by multiple EPC bands.
Current Certificate(1 of 2)
May 2025
EPC Rating
A
B
C
D
E
E40
F
G
Main Heating
Electric
Main Fuel
Electric
Hot Water
Very Poor
Windows
Good
CO2 Emissions
3.6 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.
13 Castle Close's estimated value is more than triple its earliest registered sale price (1998).
Current estimate
See how we calculated this£269,000
Modelled from EPC, postcode comparables.
Last sold (1998)
£78,000
Recorded with HM Land Registry.
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.
On price per m², 13 Castle Close runs well behind the street norm.
Price per m²
£1,300
Street avg £4,153
Floor Area
60 m²
Street avg 61 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 13 Castle Close, Sunbury On Thames, TW16 7DU. Each answer is also embedded as structured data for search engines.