23 Chelmsford Street, Darlington, DL3 6AY
About 23 Chelmsford Street
23 Chelmsford Street is a mid-terrace house in Darlington (DL3 6AY). It has a recorded floor area of 80 m² (around 861 sq ft), construction records dating it to 1900-1929 and council tax band A. The latest certificate (August 2019) shows a D (score 66), on the cusp of jumping into the C band. The rating has held steady at D across 4 certificates since July 2010. Between certificates, roof efficiency went from Average to Good; while lighting dropped from Good to Very Poor. The recommended improvements would lift it to B (score 87), a 2-band jump.
Across 2001–2020, sale prices on this property compounded at 4.6% per year. Today's modelled estimate of £112,000 sits 133.3% above the 2020 sale of £48,000. On a £-per-square-foot basis, the last sale (£56/sq ft) was about 15.4% below the postcode norm. Sold February 2020 for £48,000.
Energy performance
Recommended upgrades on file would lift this property by multiple EPC bands.
EPC Rating
Property Improvements
Changes detected from historical EPC data
Loft insulation upgraded to recommended levels
Low energy lighting percentage decreased
Heating controls upgraded for better temperature management
Hot water efficiency improved
More low energy lighting installed
Heating controls changed
Hot water efficiency decreased
Low energy lighting percentage decreased
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
23 Chelmsford Street has no planning applications on record.
But the area is active
19 notable applications nearby — larger schemes and conversions that could reshape the street. The report maps them all.
Sales history & valuation
Sale price has at least doubled since 2001.
£112,000
Modelled from EPC, postcode comparables and a sale-price growth of 4.6% per year over 19 years.
£48,000
Growth on file: 4.6% per year over 19 years.
Sales timeline
21 February 2020Most recent
£48,000
+129.1%over 18 years12 August 2001
£20,950
Median price across the last 5 sales in DL3 6AY: £47,500 (2023–2019).
Nearby sales in DL3 6AY
25 Chelmsford Street, Darlington, DL3 6AY
Sold Jun 2023
£45,00020 Chelmsford Street, Darlington, DL3 6AY
Sold Jun 2021
£46,00016 Chelmsford Street, Darlington, DL3 6AY
Sold Dec 2020
£52,00028 Chelmsford Street, Darlington, DL3 6AY
Sold Mar 2020
£47,50021 Chelmsford Street, Darlington, DL3 6AY
Sold Feb 2019
£62,000
Versus other Chelmsford Street homes
23 Chelmsford Street is notably below the street on price per m².
Price per m²
£600
Street avg £847
Floor Area
80 m²
Street avg 74 m²
Habitable Rooms
4 rooms
Street avg 4 rooms
CO₂ Emissions
3.6 t/year
Street avg 3.9 t/year
Similar properties nearby
The neighbourhood at a glance
Rail-style transport is unusually close for this postcode.
Crime
5/mo
Rising year-on-year across the wider district.
Nearest stop
0.1 km
Barningham Street — bus stop.
Closest school
0.3 km
Corporation Road Community Primary School. 33 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
56.2dB

Night-time· 23:00 – 07:00
44.7dB







