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 £457,000 is 12.8% above the 2021 sale price. On a £-per-square-foot basis, the last sale (£308/sq ft) was about 39.4% 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.
Know exactly what you're buying at 12 Dorset Avenue
Before you offer, see what the listing won't tell you, the true value, the red flags and the full history.
Already flagged here
Valuation
against the asking price
Risks
planning & flood
Sold prices
similar homes nearby
Trends
the local market
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
Planning history
12 Dorset Avenue has no planning applications on record.
Notable planning nearby
3applications of note in the surrounding area
We flagged 1 thing worth checking at 12 Dorset Avenue
Independent checks surfaced things a buyer would want to understand before offering. The report explains each one in full, with the underlying data and what to ask.
- Larger development activity nearby
30-day money-back guarantee
Sales history & valuation
The latest sale landed in the post-pandemic price surge — useful context when reading the figure.
£457,000
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: £1,125 (2025–2022).
Nearby sales in OL3 5PL
21 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
£1,12524 Dorset Avenue, Diggle, Oldham, OL3 5PL
Sold Oct 2022
£1,080
Everything we know about 12 Dorset Avenue, in one report
What it's really worth, what could be wrong, and the planning, sales and area data in full.
What we flagged
- Larger development activity nearby

Versus other Dorset Avenue homes
12 Dorset Avenue is notably below the street on epc rating.
Price per m²
£3,320
Street avg £2,326
Floor Area
122 m²
Street avg 122 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.
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
The full 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