11 Cooper Square, Durham, DH1 1PT
About 11 Cooper Square
11 Cooper Square is a semi-detached house in Durham (DH1 1PT). It has a recorded floor area of 100 m² (around 1076 sq ft), construction records dating it to 1983-1990 and council tax band A. The latest certificate (August 2025) shows a C (score 76), near the top of the C band. When first surveyed in April 2015 the rating was E, the property has climbed 2 bands since. Between certificates, roof efficiency went from Good to Very Good, window efficiency went from Average to Good and hot-water efficiency went from Poor to Good. The recommended improvements would push it to B (score 81).
2 planning records sit against the property, 2 approved, 0 refused. Past consents include an extension and HMO conversion, meaningful when judging how the property has evolved. At 100 m² it's 17.6% larger than the typical home in the postcode (85 m² median across 41 EPCs). Across 2007–2024, sale prices on this property compounded at 1.6% per year. On a £-per-square-foot basis, the last sale (£139/sq ft) was about 44.3% above the typical sold price in the postcode. Sold January 2024 for £150,000.
Everything you need to know about 11 Cooper Square
The true value, the hidden risks and the full sale history, in one report.
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Energy performance
EPC Rating
Property Improvements
Changes detected from historical EPC data
Heating controls upgraded for better temperature management
Hot water system upgraded
High performance glazing installed
Loft insulation upgraded to recommended levels
More low energy lighting installed
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Planning history
2 applications on record at 11 Cooper Square, Durham, DH1 1PT
- Jun 2024HMOFullOutcome in report
Extension: Single storey · Rear of property
Change of use from dwellinghouse (Use Class C3) to a house in multiple occupation (Use Class C4) including single storey rear extension, car parking area, cycle parking and bin storage
Extension- Documents
- 15 docs on file
- Reference
- DM/24/00808/FPA
- More recent applications — locked
- ConditionsJul 2024Decision
Unlock 11 Cooper Square, Durham, DH1 1PT's full planning history
You're seeing the shape of it. The report has the substance.
- Every decision — granted, refused or withdrawn (2 on record)
- All 2 applications on this property in full, plus 72 notable nearby
- The 19 documents, officer reports & conditions
- What the pattern means for extending or converting here
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Sales history & valuation
11 Cooper Square valuation sits well clear of the typical sold price in this postcode.
£160,000
Modelled from EPC, postcode comparables and a sale-price growth of 1.6% per year over 17 years.
£150,000
Growth on file: 1.6% per year over 17 years.
Sales timeline
29 January 2024Most recent
£150,000
+30.4%over 16 years19 April 2007
£115,000
Median price across the last 5 sales in DH1 1PT: £110,000 (2022–2017).
Versus other Cooper Square homes
Years Held for 11 Cooper Square lags the street by a wide margin.
Price per m²
£1,500
Street avg £1,117
Floor Area
100 m²
Street avg 82 m²
Habitable Rooms
6 rooms
Street avg 4 rooms
CO₂ Emissions
2.2 t/year
Street avg 3.2 t/year
Everything you need to know about 11 Cooper Square
The true value, the hidden risks and the full sale history, in one report.
Pick your report · every report is £14.99
One time fee only - money back guarantee

Similar properties nearby
The neighbourhood at a glance
Crime
6/mo
Steady year-on-year across the wider district.
Nearest stop
0.1 km
Bradford Cr-Roosevelt Rd — bus stop.
Closest school
0.3 km
Durham Gilesgate Primary School. 19 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
52.7dB

Night-time· 23:00 – 07:00
42.5dB






