Are you a property professional?Get qualified leads from motivated homeowners.
Get startedAre you a property professional?Get qualified leads from motivated homeowners.
Get started21 River Street is a mid-terrace house in York (YO23 1AT). It has a recorded floor area of 77 m² (around 829 sq ft), construction records dating it to 1900-1929 and council tax band B. The latest certificate (July 2022) shows a D (score 65), on the cusp of jumping into the C band. The rating has held steady at D across 2 certificates since March 2012. Between certificates, roof efficiency went from Average to Good, window efficiency went from Poor to Average and lighting went from Poor to Very Good. The recommended improvements would lift it to B (score 88), a 2-band jump.
Sale prices here have outpaced York HPI: 7.4% per year against 0% for the wider region. Today's modelled estimate of £332,000 is 19.6% above the 2018 sale price. On a £-per-square-foot basis, the last sale (£335/sq ft) was about 73.1% above the typical sold price in the postcode. Sold December 2018 for £277,500. Across the public record there are 8 sales, relatively high churn for a single property. At 77 m² it's 26.2% larger than the typical home in the postcode (61 m² median across 21 EPCs).
Recommended upgrades on file would lift this property by multiple EPC bands.
Price for 21 River Street has grown more than fourfold since the 1997 starting point.
£332,000
Modelled from EPC, postcode comparables and a sale-price growth of 7.4% per year over 22 years.
£277,500
Growth on file: 7.4% per year over 22 years.
Everything we know about this property, compiled into one in-depth, downloadable report.
Detailed AI analysis
An AI-written breakdown of everything that matters
21 River Street outperforms the street on floor area by a wide margin.
Price per m²
£3,604
Street avg £3,197
Floor Area
77 m²
Street avg 69 m²
Habitable Rooms
4 rooms
Crime
2/mo
Steady year-on-year across the wider district.
Nearest stop
0.2 km
St George's Field Coach Park — bus stop.

Daytime· 07:00 – 23:00
53.8dB

Launch offer
Secure checkout · One-off payment

Changes detected from historical EPC data
Heating controls upgraded for better temperature management
Windows upgraded, improving insulation
Roof insulation improved
More low energy lighting installed
Are we missing something? Tell us about home improvements to help adjust your valuation.
20 December 2018Most recent
£277,500
+35.4%over 4 years26 August 2014
£205,000
+17.1%over 2 years16 July 2012
£175,000
+3.0%over 5 years27 September 2006
£169,950
+13.3%over 2 years26 March 2004
£149,950
+17.2%over 7 months21 August 2003
£127,950
+62.0%over 3 years16 June 2000
£79,000
+33.9%over 3 years25 April 1997
£59,000
Median price across the last 5 sales in YO23 1AT: £247,000 (2025–2019).
Detailed EPC data
Full energy ratings, history and recommendations
Full planning history
Every application and decision on record
Plus much more
Comparable sales, transport, crime, schools and more

Street avg 4 rooms
CO₂ Emissions
3.6 t/year
Street avg 3.0 t/year
YO23 1FJ
Closest school
0.4 km
Fishergate Primary School. 31 schools nearby.
Flood risk
High
From the Environment Agency.
Night-time· 23:00 – 07:00
43.7dB