14 Cottingham Grove, Thornley, Durham, DH6 3EJ
About 14 Cottingham Grove
14 Cottingham Grove is a detached house in Thornley, Durham, Durham (DH6 3EJ). It has a recorded floor area of 111 m² (around 1195 sq ft), construction records dating it to 2007-2011 and council tax band C. The latest certificate (May 2021) shows a C (score 76), near the top of the C band. The rating has held steady at C across 2 certificates since January 2009. Between certificates, lighting went from Average to Very Good. The recommended improvements would push it to B (score 86).
One planning record on file: an extension approved in 2018. Past consents include an extension, meaningful when judging how the property has evolved. At 111 m² it's 19.4% larger than the typical home in the postcode (93 m² median across 61 EPCs). Across 2010–2019, sale prices on this property compounded at -1.4% per year. Today's modelled estimate of £189,000 is 30.4% above the 2019 sale price. On a £-per-square-foot basis, the last sale (£121/sq ft) was about 21.8% below the postcode norm. Sold April 2019 for £144,950.
Energy performance
EPC Rating
Property Improvements
Changes detected from historical EPC data
Wall insulation upgraded
Floor insulation added or improved
More low energy lighting installed
Planning history
Council records include a two-storey rear extension at 14 Cottingham Grove.
- Aug 2018ExtensionFullIn report
Extension: Two storey · Rear of property
Two-Storey Rear Extension
- Documents
- 5 docs on file
- Reference
- DM/18/01999/FPA
We flagged 1 thing worth checking at 14 Cottingham Grove
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
14 Cottingham Grove changed hands twice within eighteen months — unusual for the area.
£189,000
Modelled from EPC, postcode comparables and a sale-price growth of -1.4% per year over 9 years.
£144,950
Growth on file: -1.4% per year over 9 years.
Sales timeline
28 April 2019Most recent
£144,950
-3.4%21 December 2018
£150,000
-8.3%over 8 years27 September 2010
£163,500
Median price across the last 5 sales in DH6 3EJ: £146,000 (2025–2025).
Nearby sales in DH6 3EJ
54 Cottingham Grove, Thornley, Durham, DH6 3EJ
Sold Oct 2025
£135,00034 Cottingham Grove, Thornley, Durham, DH6 3EJ
Sold May 2025
£146,00041 Cottingham Grove, Thornley, Durham, DH6 3EJ
Sold May 2025
£232,50065 Cottingham Grove, Thornley, Durham, DH6 3EJ
Sold May 2025
£208,00058 Cottingham Grove, Thornley, Durham, DH6 3EJ
Sold Apr 2025
£131,000
Versus other Cottingham Grove homes
Price per m² for 14 Cottingham Grove lags the street by a wide margin.
Price per m²
£1,306
Street avg £1,957
Floor Area
111 m²
Street avg 87 m²
Habitable Rooms
6 rooms
Street avg 6 rooms
CO₂ Emissions
3.0 t/year
Street avg 2.7 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
5/mo
Steady year-on-year across the wider district.
Nearest stop
0.2 km
RC Church — bus stop.
Closest school
0.6 km
Thornley Academy. 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
46.2dB

Night-time· 23:00 – 07:00
38.0dB







