23 East Lea, Thornley, Durham, DH6 3EA
About 23 East Lea
23 East Lea is a three-bedroom semi-detached house in Thornley, Durham, Durham (DH6 3EA). It has a recorded floor area of 76 m² (around 818 sq ft), construction records dating it to 1950-1966 and council tax band A. The latest certificate (December 2023) shows a D (score 67), on the cusp of jumping into the C band. The rating has held steady at D across 3 certificates since June 2010. Between certificates, roof efficiency went from Good to Very Good; while wall efficiency dropped from Good to Average. The recommended improvements would lift it to B (score 86), a 2-band jump. Records show the property has been extended at some point in its history.
Most recent transfer was April 2025 at £130,000 — fresh data. One planning record on file: an extension approved in 2018. Past consents include an extension and a porch, meaningful when judging how the property has evolved. Across 2018–2025, sale prices on this property compounded at 12.7% per year. Today's modelled estimate of £143,000 is 10% above the 2025 sale price. On a £-per-square-foot basis, the last sale (£159/sq ft) was about 123.2% above the typical sold price in the postcode.
What this property has
Inside
- Bedrooms3
- Bathrooms1
- Dining roomYes
- Utility roomYes
Outside
- Private gardenYes
- GarageSingle
Building
- Previously extendedYes
- RefurbishedYes
Energy performance
Recommended upgrades on file would lift this property by multiple EPC bands.
EPC Rating
Property Improvements
Changes detected from historical EPC data
More low energy lighting installed
Loft insulation upgraded to recommended levels
Low energy lighting percentage decreased
Planning history
- Apr 2018PorchFullIn report
Proposed construction of a garage and porch to the gable and front of the property respectively, with a drive and car crossing for access. Extension to rear has been deemed to be permitted development.
- Agent
- Peter Gainey Architectural Services
Extension- Documents
- 10 docs on file
- Reference
- DM/18/00684/FPA
We flagged 1 thing worth checking at 23 East Lea
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
Latest sale on 23 East Lea was the highest on Land Registry record across the postcode.
£143,000
Modelled from EPC, postcode comparables and a sale-price growth of 12.7% per year over 7 years.
£130,000
Growth on file: 12.7% per year over 7 years.
Sales timeline
14 April 2025Most recent
£130,000
+42.9%over 3 years16 December 2021
£91,000
+65.5%over 3 years2 February 2018
£55,000
Median price across the last 5 sales in DH6 3EA: £66,000 (2025–2022).
Nearby sales in DH6 3EA
Versus other East Lea homes
Price per m² for 23 East Lea runs comfortably ahead of the street norm.
Price per m²
£1,711
Street avg £824
Floor Area
76 m²
Street avg 77 m²
Habitable Rooms
5 rooms
Street avg 4 rooms
CO₂ Emissions
3.4 t/year
Street avg 3.6 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.
Crime
5/mo
Steady year-on-year across the wider district.
Nearest stop
0.2 km
Schools — bus stop.
Closest school
0.1 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
47.5dB

Night-time· 23:00 – 07:00
37.8dB







