Northgate, Harrop Green, Diggle, Oldham, OL3 5LW
About Northgate
Northgate is a three-bedroom detached house in Diggle, Oldham, Oldham (OL3 5LW). It has a recorded floor area of 115 m² (around 1238 sq ft), construction records dating it to before 1900 and council tax band E. The latest certificate (October 2015) shows an E (score 52), well below the UK norm with real room to improve. The recommended improvements would lift it to B (score 83), a 3-band jump. The latest certificate is from October 2015, so improvements made since then won't be reflected. Period features are noted in the property record. The home occupies a corner plot and a cul-de-sac position.
At 115 m² the property is well over the postcode median (80 m² across 8 EPCs), placing it in the larger end of the local stock. On energy efficiency it sits in the bottom 10% of properties in this postcode — significant headroom for improvement. Across 1996–2016, sale prices on this property compounded at 5.8% per year. Today's modelled estimate of £532,000 is 34.7% above the 2016 sale price. On a £-per-square-foot basis, the last sale (£319/sq ft) was about 29.5% above the typical sold price in the postcode. On the market in March 2016 and unlisted since — roughly 10 years. 2 planning records sit against the property, 0 approved, 1 refused.
What this property has
Inside
- Bedrooms3
- Bathrooms1
Outside
- ParkingOff road
- Corner plotYes
- Cul-de-sacYes
Building
- Period featuresYes
Everything you need to know about Northgate
The true value, the hidden risks and the full sale history, in one report.
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Energy performance
Northgate sits at the bottom of the postcode for energy efficiency — meaningful headroom to improve.
EPC Expired
This certificate is over 10 years old and is no longer valid.Expired 19 Oct 2025
EPC Rating
Certificate validity
Expired on 19 October 2025
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 £1,085 · Includes VAT
Planning history
A a two-storey rear extension application was refused at Northgate in 2025.
2 applications on record at Northgate, Harrop Green, Diggle, Oldham, OL3 5LW
1 live now- Feb 2025ExtensionFullOutcome in report
Extension: Two storey · Rear of property
Two storey rear extension
- Documents
- 11 docs on file
- Reference
- HOU/352864/24
- More recent applications — locked
- ExtensionMar 2026Decision
Unlock Northgate, Harrop Green, Diggle, Oldham, OL3 5LW'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 2 applications on this property in full, plus 1 notable nearby
- The 29 documents, officer reports & conditions
- What the pattern means for extending or converting here
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Sales history & valuation
Northgate has more than tripled in price since its earliest registered sale in 1996.
£532,000
Modelled from EPC, postcode comparables and a sale-price growth of 5.8% per year over 20 years.
£395,000
Growth on file: 5.8% per year over 20 years.
Sales timeline
11 March 2016Most recent
£395,000
+203.8%over 19 years23 May 1996
£130,000
Median price across the last 5 sales in OL3 5LW: £255,000 (2026–2020).
Nearby sales in OL3 5LW
12a, Harrop Green, Diggle, Oldham, OL3 5LW
Sold Feb 2026
£217,5009 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
£255,000
Versus other Harrop Green homes
On epc rating, Northgate runs well behind the street norm.
Price per m²
£3,435
Street avg £3,295
Floor Area
115 m²
Street avg 98 m²
Habitable Rooms
4 rooms
Street avg 5 rooms
CO₂ Emissions
8.4 t/year
Street avg 5.1 t/year
Everything you need to know about Northgate
The true value, the hidden risks and the full sale history, in one report.
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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
0.2 km
Carr Lane — bus stop.
Closest school
0.2 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
48.3dB

Night-time· 23:00 – 07:00
38.1dB






