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Get startedDolphin House, Flat 1, 140 Windmill Road, Sunbury On Thames, TW16 7FH
About Dolphin House
A plain-English summary derived from public records, EPC certificates, sold prices and local data.
Dolphin House is an end-of-terrace house in Sunbury On Thames (TW16 7FH). It has a recorded floor area of 45 m² (around 484 sq ft) and construction records dating it to 1976-1982. At 45 m² this is the largest unit on EPC record across Dolphin House (29–45 m²). The latest certificate (July 2024) shows a C (score 70). When first surveyed in May 2018 the rating was D, the property has climbed 1 band since. Between certificates, hot-water efficiency went from Very Poor to Average and main heating went from Very Poor to Average; while window efficiency dropped from Very Good to Good. Main heating runs on electricity.
At 45 m² it's 25% larger than the typical home in the postcode (36 m² median across 61 EPCs).
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 2)
Jul 2024
EPC Rating
A
B
C
C70
D
E
F
G
Main Heating
Electric
Main Fuel
Electric
Hot Water
Average
Windows
Good
CO2 Emissions
2.2 t/year
Occupancy
Rented
Sales history & valuation
Recorded transactions, our model's current estimate, and a quick read on what neighbouring properties have sold for.
Dolphin House has no Land Registry sales on file, suggesting it has stayed in the same hands since registration began.
Current estimate
See how we calculated this£216,000
Modelled from EPC, postcode comparables.
No sales recorded with HM Land Registry
That can mean the property has never traded since the registry began publishing in 1995, was a new build that hasn't been registered yet, or is held in the same hands long-term.
Versus other Windmill Road homes
Four headline reads against 61 similar flats on this street, drawn from the latest EPC and Land Registry data.
On floor area, Dolphin House stands well clear of the street.
EPC Rating
70 (C)
Street avg 72 (C)
Floor Area
45 m²
Street avg 36 m²
CO₂ Emissions
2.2 t/year
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
0.2 km
Upper Halliford Rail Station — railway station.
Road noise across the postcode
Modelled day and night-time noise levels around TW16 7FH from Defra's strategic mapping. The pin marks this postcode's centroid.
Daytime· 07:00 – 23:00
57.2dB
Everything within walking distance
Schools, transport stops and scenic spots near this property — 51 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 Dolphin House, Flat 1, 140 Windmill Road, Sunbury On Thames, TW16 7FH. Each answer is also embedded as structured data for search engines.