25a, Flat 1, High Street, Doncaster, DN1 1DW
About 25a
25a is a mid-terrace house in Doncaster (DN1 1DW). It has a recorded floor area of 35 m² (around 377 sq ft) and construction records dating it to 1900-1929. At 35 m² this is the smallest unit on EPC record across 25a (35–86 m²). The building's EPC ratings span G to E, with this unit at the top. On EPC score it ranks first in the building (44 versus a worst of 9). The latest certificate (July 2023) shows an E (score 44), well below the UK norm with real room to improve. When first surveyed in May 2014 the rating was F, the property has climbed 1 band since. Between certificates, wall efficiency went from Very Poor to Poor and lighting went from Very Poor to Very Good; while window efficiency dropped from Poor to Very Poor. The recommended improvements would lift it to C (score 73), a 2-band jump. Main heating runs on electricity.
At 35 m² it sits well below the postcode median (83 m² across 3 EPCs), making it one of the more compact homes locally.
Everything you need to know about 25a
The true value, the hidden risks and the full sale history, in one report.
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Energy performance
Recommended upgrades on file would lift this property by multiple EPC bands.
EPC Rating
Property Improvements
Changes detected from historical EPC data
Wall insulation improved
More low energy lighting installed
Get a survey for this property
Level 3 Building Survey
Because the property was built before 1919, has no mains gas supply, and has solid (non-cavity) walls, we believe a Level 3 building survey should be considered.
From £820 · Includes VAT
Planning history
25a has no planning applications on record.
But the area is active
3 notable applications nearby — larger schemes and conversions that could reshape the street. The report maps them all.
Sales history & valuation
25a has no Land Registry sales on file, suggesting it has stayed in the same hands since registration began.
£191,000
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.
Median price across the last 1 sales in DN1 1DW: £210,000 (2025–2025).
Nearby sales in DN1 1DW
Versus other High Street homes
EPC Rating for 25a runs comfortably ahead of the street norm.
EPC Rating
44 (E)
Street avg 21 (F)
Floor Area
35 m²
Street avg 69 m²
CO₂ Emissions
3.0 t/year
Street avg 7.2 t/year
Habitable Rooms
2 rooms
Street avg 4 rooms
Everything you need to know about 25a
The true value, the hidden risks and the full sale history, in one report.
Pick your report · every report is £14.99
One time fee only - money back guarantee
The data behind every report
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The neighbourhood at a glance
Crime
26/mo
Steady year-on-year across the wider district.
Nearest stop
0.1 km
Hall Gate/Silver Street — bus stop.
Closest school
0.4 km
Doncaster UTC. 27 schools nearby.
Go deeper on the local area
A Local Area report breaks down crime, transport links, schools and air quality in depth.
Road noise across the postcode
Daytime· 07:00 – 23:00
56.9dB
Night-time· 23:00 – 07:00
47.4dB