12 Dorset Avenue, Diggle, Oldham, OL3 5PL
About 12 Dorset Avenue
12 Dorset Avenue is a three-bedroom detached house in Diggle, Oldham, Oldham (OL3 5PL). It has a recorded floor area of 122 m² (around 1313 sq ft), construction records dating it to 1967-1975 and council tax band D. The latest certificate (June 2021) shows an E (score 54), well below the UK norm with real room to improve. The recommended improvements would lift it to C (score 74), a 2-band jump. Other recorded features include a conservatory.
On energy efficiency it sits in the bottom 10% of properties in this postcode — significant headroom for improvement. Today's modelled estimate of £488,000 is 20.5% above the 2021 sale price. On a £-per-square-foot basis, the last sale (£308/sq ft) was about 42.1% above the typical sold price in the postcode. Most recent transfer: August 2021 at £405,000. That sale was during the post-pandemic price surge, when transactions cleared materially above pre-2020 trend.
What this property has
Inside
- Bedrooms3
- Bathrooms2
- ConservatoryYes
Outside
- Private gardenYes
Energy performance
12 Dorset Avenue sits at the bottom of the postcode for energy efficiency — meaningful headroom to improve.
EPC Rating
Certificate validity
Valid until 30 June 2031
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Planning history
12 Dorset Avenue has no planning applications on record.
But the area is active
1 notable application nearby — larger schemes and conversions that could reshape the street. The report maps them all.
Sales history & valuation
The latest sale landed in the post-pandemic price surge — useful context when reading the figure.
£488,000
Modelled from EPC, postcode comparables.
£405,000
Recorded with HM Land Registry.
Sales timeline
19 August 2021Most recent
£405,000
Median price across the last 5 sales in OL3 5PL: £1,530 (2025–2022).
Nearby sales in OL3 5PL
13 Dorset Avenue, Diggle, Oldham, OL3 5PL
Sold Aug 2025
£570,00021 Dorset Avenue, Diggle, Oldham, OL3 5PL
Sold Jan 2025
£475,00030 Dorset Avenue, Diggle, Oldham, OL3 5PL
Sold Mar 2023
£1,12532 Dorset Avenue, Diggle, Oldham, OL3 5PL
Sold Dec 2022
£1,08028 Dorset Avenue, Diggle, Oldham, OL3 5PL
Sold Nov 2022
£1,125
Versus other Dorset Avenue homes
12 Dorset Avenue is notably below the street on epc rating.
Price per m²
£3,320
Street avg £2,219
Floor Area
122 m²
Street avg 121 m²
Habitable Rooms
5 rooms
Street avg 6 rooms
CO₂ Emissions
7.9 t/year
Street avg 5.6 t/year
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The neighbourhood at a glance
Daytime road noise here sits well below conversation level — a quiet pocket of the postcode.
Crime
1/mo
Steady year-on-year across the wider district.
Nearest stop
0.0 km
Dorset Avenue — bus stop.
Closest school
0.4 km
Diggle School. 5 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
48.8dB

Night-time· 23:00 – 07:00
38.5dB







