18 Allergate, Durham, DH1 4ET
About 18 Allergate
18 Allergate is a mid-terrace house in Durham (DH1 4ET). It has a recorded floor area of 109 m² (around 1173 sq ft), construction records dating it to 1900-1929 and council tax band C. The latest certificate (September 2022) shows a D (score 68), on the cusp of jumping into the C band. The rating has held steady at D across 2 certificates since January 2009. Between certificates, window efficiency went from Poor to Average; while wall efficiency dropped from Good to Average.
Across 2016–2023, sale prices on this property compounded at 5.1% per year. Today's modelled estimate of £234,000 is 16.4% below the 2023 sale of £280,000, an unusual pattern given regional price growth and worth checking against the EPC condition. On a £-per-square-foot basis, the last sale (£239/sq ft) was about 27.1% above the typical sold price in the postcode. At 109 m² the property is well over the postcode median (59 m² across 39 EPCs), placing it in the larger end of the local stock. One planning record on file: an extension approved in 2002. Past consents include an extension, meaningful when judging how the property has evolved. Last sale on file: £280,000 in April 2023.
Everything you need to know about 18 Allergate
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

Energy performance
EPC Rating
Property Improvements
Changes detected from historical EPC data
Heating controls upgraded for better temperature management
Windows upgraded, improving insulation
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 £885 · Includes VAT
Planning history
Council records include a two-storey rear extension at 18 Allergate.
1 application on record at 18 Allergate, Durham, DH1 4ET
- Jan 2002ExtensionFullOutcome in report
Extension: Two storey · Rear of property
Erection of two storey pitched roof extension to rear of existing dwelling
- Reference
- 4/01/00921/FPA
Unlock 18 Allergate, Durham, DH1 4ET'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- Every decision — granted, refused or withdrawn (1 on record)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 1 application on this property in full, plus 53 notable nearby
- What the pattern means for extending or converting here
One time fee only - money back guarantee
Sales history & valuation
18 Allergate valuation sits well clear of the typical sold price in this postcode.
£234,000
Modelled from EPC, postcode comparables and a sale-price growth of 5.1% per year over 7 years.
£280,000
Growth on file: 5.1% per year over 7 years.
Sales timeline
4 April 2023Most recent
£280,000
+40.0%over 6 years30 June 2016
£200,000
Median price across the last 5 sales in DH1 4ET: £440,000 (2025–2021).
Versus other Allergate homes
18 Allergate outperforms the street on floor area by a wide margin.
Price per m²
£2,569
Street avg £3,300
Floor Area
109 m²
Street avg 48 m²
Habitable Rooms
3 rooms
Street avg 2 rooms
CO₂ Emissions
4.3 t/year
Street avg 2.2 t/year
Everything you need to know about 18 Allergate
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
Bus Station Stand J — bus station.
Closest school
0.6 km
St Margaret's Church of England Primary School. 17 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
51.3dB

Night-time· 23:00 – 07:00
41.9dB






