23 Harcourt Street, Darlington, DL3 6RB
About 23 Harcourt Street
23 Harcourt Street is a mid-terrace house in Darlington (DL3 6RB). It has a recorded floor area of 57 m² (around 614 sq ft), construction records dating it to 1900-1929 and council tax band A. The latest certificate (May 2021) shows a D (score 61), on the cusp of jumping into the C band. When first surveyed in December 2010 the rating was E, the property has climbed 1 band since. Between certificates, lighting went from Good to Very Good. The recommended improvements would lift it to B (score 83), a 2-band jump.
Across 1997–2021, sale prices on this property compounded at 4.2% per year. Today's modelled estimate of £107,000 sits 78.3% above the 2021 sale of £60,000. On a £-per-square-foot basis, the last sale (£98/sq ft) was about 49.6% above the typical sold price in the postcode. At 57 m² it's 22.4% smaller than the typical home in the postcode (74 m² median across 32 EPCs). Last sale on file: £60,000 in December 2021. That sale was during the post-pandemic price surge, when transactions cleared materially above pre-2020 trend.
Energy performance
Recommended upgrades on file would lift this property by multiple EPC bands.
EPC Rating
Property Improvements
Changes detected from historical EPC data
Heating controls upgraded for better temperature management
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 Harcourt 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
23 Harcourt Street has more than doubled in price since the earliest registered sale in 1997.
£107,000
Modelled from EPC, postcode comparables and a sale-price growth of 4.2% per year over 25 years.
£60,000
Growth on file: 4.2% per year over 25 years.
Sales timeline
10 December 2021Most recent
£60,000
+179.1%over 24 years10 April 1997
£21,500
Median price across the last 5 sales in DL3 6RB: £77,000 (2025–2024).
Nearby sales in DL3 6RB
Versus other Harcourt Street homes
Floor Area for 23 Harcourt Street lags the street by a wide margin.
Price per m²
£1,053
Street avg £755
Floor Area
57 m²
Street avg 75 m²
Habitable Rooms
4 rooms
Street avg 4 rooms
CO₂ Emissions
3.4 t/year
Street avg 4.1 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
0.2 km
Fairfield Street — bus stop.
Closest school
0.5 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
55.2dB

Night-time· 23:00 – 07:00
43.2dB







