12a, Harrop Green, Diggle, Oldham, OL3 5LW
About 12a
12a is a mid-terrace house in Diggle, Oldham, Oldham (OL3 5LW). It has a recorded floor area of 44 m² (around 474 sq ft), construction records dating it to 1900-1929 and council tax band B. The latest certificate (September 2025) shows a C (score 73). When first surveyed in July 2011 the rating was D, the property has climbed 1 band since. Between certificates, wall efficiency went from Very Poor to Poor and lighting went from Average to Good; while roof efficiency dropped from Very Good to Average and window efficiency dropped from Good to Poor. The recommended improvements would push it to B (score 81).
At 44 m² it sits well below the postcode median (84 m² across 8 EPCs), making it one of the more compact homes locally. Its energy rating outperforms most of the postcode (better than 75% of similar EPCs). Across 2004–2019, sale prices on this property compounded at 3.8% per year. Today's modelled estimate of £238,000 is 32.2% above the 2019 sale price. On a £-per-square-foot basis, the last sale (£380/sq ft) was about 86.9% above the typical sold price in the postcode. Most recent transfer: April 2019 at £180,000.
Know exactly what you're buying at 12a
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
Energy performance
EPC Rating
Property Improvements
Changes detected from historical EPC data
Wall insulation improved
More low energy lighting installed
Planning history
12a has no planning applications on record.
Notable planning nearby
3applications of note in the surrounding area
We flagged 1 thing worth checking at 12a
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
£238,000
Modelled from EPC, postcode comparables and a sale-price growth of 3.8% per year over 15 years.
£180,000
Growth on file: 3.8% per year over 15 years.
Sales timeline
2 April 2019Most recent
£180,000
+12.5%over 7 years28 July 2011
£160,000
+55.3%over 7 years13 April 2004
£103,000
Median price across the last 5 sales in OL3 5LW: £255,000 (2024–2018).
Nearby sales in OL3 5LW
9 Harrop Green, Diggle, Oldham, OL3 5LW
Sold Oct 2024
£575,000Kiln Butts, Harrop Green, Diggle, Oldham, OL3 5LW
Sold Oct 2024
£967,5006 Harrop Green, Diggle, Oldham, OL3 5LW
Sold Jan 2021
£230,0004 Harrop Green, Diggle, Oldham, OL3 5LW
Sold Aug 2020
£255,0005 Harrop Green, Diggle, Oldham, OL3 5LW
Sold Sept 2018
£177,500
Everything we know about 12a, 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 Harrop Green homes
On epc rating, 12a stands well clear of the street.
Price per m²
£4,091
Street avg £3,080
Floor Area
44 m²
Street avg 107 m²
Habitable Rooms
4 rooms
Street avg 5 rooms
CO₂ Emissions
1.8 t/year
Street avg 5.9 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
0.2 km
Carr Lane — bus stop.
Closest school
0.2 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
48.3dB
Night-time· 23:00 – 07:00
38.1dB