21 Herbert Street, Darlington, DL1 5DP
About 21 Herbert Street
21 Herbert Street is a two-bedroom mid-terrace house in Darlington (DL1 5DP). It has a recorded floor area of 88 m² (around 947 sq ft), construction records dating it to 1900-1929 and council tax band A. The latest certificate (August 2025) shows a D (score 67), on the cusp of jumping into the C band. The rating has held steady at D across 2 certificates since September 2015. Between certificates, roof efficiency went from Very Poor to Good; while window efficiency dropped from Average to Poor and lighting dropped from Average to Poor. The recommended improvements would push it to C (score 78).
It changed hands recently, sold January 2025 for £73,000. Across 1995–2025, sale prices on this property compounded at 5% per year. Today's modelled estimate of £109,000 is 49.3% above the 2025 sale price. On a £-per-square-foot basis, the last sale (£77/sq ft) was about 31.2% above the typical sold price in the postcode.
What this property has
Inside
- Bedrooms2
- Bathrooms1
Energy performance
EPC Rating
Property Improvements
Changes detected from historical EPC data
Roof insulation improved
More low energy lighting installed
Get a survey for this property
Level 3 Building Survey
Because the property was built before 1919 and has solid (non-cavity) walls, we believe a Level 3 building survey should be considered.
From £820 · Includes VAT
Planning history
21 Herbert Street has no planning applications on record.
But the area is active
7 notable applications nearby — larger schemes and conversions that could reshape the street. The report maps them all.
Sales history & valuation
Price for 21 Herbert Street has grown more than fourfold since the 1995 starting point.
£109,000
Modelled from EPC, postcode comparables and a sale-price growth of 5.0% per year over 30 years.
£73,000
Growth on file: 5.0% per year over 30 years.
Sales timeline
17 January 2025Most recent
£73,000
+16.8%over 17 years3 July 2007
£62,500
+267.6%over 12 years13 January 1995
£17,000
Median price across the last 5 sales in DL1 5DP: £62,500 (2024–2020).
Nearby sales in DL1 5DP
Versus other Herbert Street homes
On years held, 21 Herbert Street runs well behind the street norm.
Price per m²
£830
Street avg £664
Floor Area
88 m²
Street avg 80 m²
Habitable Rooms
4 rooms
Street avg 4 rooms
CO₂ Emissions
3.6 t/year
Street avg 4.4 t/year
Similar properties nearby
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The neighbourhood at a glance
Rail-style transport is unusually close for this postcode.
Crime
8/mo
Rising year-on-year across the wider district.
Nearest stop
0.1 km
Park Street — bus stop.
Closest school
0.7 km
Polam Hall School. 29 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
53.5dB

Night-time· 23:00 – 07:00
42.6dB







