20 Onchan Avenue, Oldham, OL4 1BJ
About 20 Onchan Avenue
20 Onchan Avenue is a mid-terrace house in Oldham (OL4 1BJ). It has a recorded floor area of 67 m² (around 721 sq ft), construction records dating it to before 1900 and council tax band A. The latest certificate (July 2014) shows a D (score 67), on the cusp of jumping into the C band. The rating has held steady at D across 2 certificates since February 2014. Between certificates, roof efficiency went from Very Poor to Good and hot-water efficiency went from Average to Good; while wall efficiency dropped from Poor to Very Poor and lighting dropped from Very Good to Average. The recommended improvements would lift it to B (score 90), a 2-band jump. The latest certificate is from July 2014, so improvements made since then won't be reflected.
Today's modelled estimate of £123,000 sits 64% above the 2024 sale of £75,000. On a £-per-square-foot basis, the last sale (£104/sq ft) was about 403.2% above the typical sold price in the postcode. At 67 m² it's 21.2% smaller than the typical home in the postcode (85 m² median across 19 EPCs). One planning record on file: an extension refused in 2025. Most recent transfer: June 2024 at £75,000.
Everything you need to know about 20 Onchan Avenue
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 Expired
This certificate is over 10 years old and is no longer valid.Expired 01 Jul 2024
EPC Rating
Certificate validity
Expired on 1 July 2024
Property Improvements
Changes detected from historical EPC data
Hot water system upgraded
Loft insulation installed or upgraded to 250mm+
Low energy lighting percentage decreased
Get a survey for this property
Level 3 Building Survey
Because the property was built before 1919, we believe a Level 3 building survey should be considered.
From £820 · Includes VAT
Planning history
A recent planning application at 20 Onchan Avenue was refused — worth checking the council file.
1 application on record at 20 Onchan Avenue, Oldham, OL4 1BJ
- Dec 2025ExtensionFullOutcome in report
Extension: Two storey · Rear of property
1) Two-storey rear extension 2) Front and rear dormer
- Documents
- 8 docs on file
- Reference
- HOU/355229/25
Unlock 20 Onchan Avenue, Oldham, OL4 1BJ's full planning history
You're seeing the shape of it. The report has the substance.
- Every decision — granted, refused or withdrawn (1 on record)
- All 1 application on this property in full, plus 5 notable nearby
- The 8 documents, officer reports & conditions
- What the pattern means for extending or converting here
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Sales history & valuation
20 Onchan Avenue valuation sits well clear of the typical sold price in this postcode.
£123,000
Modelled from EPC, postcode comparables.
£75,000
Recorded with HM Land Registry.
Sales timeline
13 June 2024Most recent
£75,000
Median price across the last 5 sales in OL4 1BJ: £88,000 (2016–2008).
Versus other Onchan Avenue homes
20 Onchan Avenue outperforms the street on price per m² by a wide margin.
Price per m²
£1,119
Street avg £522
Floor Area
67 m²
Street avg 89 m²
Habitable Rooms
4 rooms
Street avg 5 rooms
CO₂ Emissions
2.7 t/year
Street avg 4.8 t/year
Everything you need to know about 20 Onchan Avenue
The true value, the hidden risks and the full sale history, in one report.
Pick your report · from £14.99
One time fee only - money back guarantee

Similar properties nearby
The neighbourhood at a glance
Rail-style transport is unusually close for this postcode.
Crime
1/mo
Steady year-on-year across the wider district.
Nearest stop
0.2 km
Roundthorn Road — bus stop.
Closest school
0.3 km
Glodwick Infant and Nursery School. 48 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
55.3dB

Night-time· 23:00 – 07:00
45.2dB






