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Get started9 River Street is a three-bedroom mid-terrace house in York (YO23 1AT). It has a recorded floor area of 81 m² (around 872 sq ft), construction records dating it to before 1900 and council tax band B. The property has underfloor heating on record, all of which lower running costs and tend to lift resale appeal. Period features are noted in the property record. The latest certificate (January 2025) shows a D (score 63), on the cusp of jumping into the C band. The rating has held steady at D across 2 certificates since October 2010. Between certificates, window efficiency went from Very Poor to Average and lighting went from Good to Very Good; while roof efficiency dropped from Good to Very Poor and hot-water efficiency dropped from Very Good to Good. The recommended improvements would lift it to B (score 81), a 2-band jump.
Sale prices here have outpaced York HPI: 7.9% per year against 0% for the wider region. Today's modelled estimate of £443,000 is 18.1% above the 2025 sale price. On a £-per-square-foot basis, the last sale (£430/sq ft) was about 111.8% above the typical sold price in the postcode. At 81 m² the property is well over the postcode median (61 m² across 21 EPCs), placing it in the larger end of the local stock. Most recent transfer was March 2025 at £375,000 — fresh data.
Recommended upgrades on file would lift this property by multiple EPC bands.
Latest sale on 9 River Street was the highest on Land Registry record across the postcode.
£443,000
Modelled from EPC, postcode comparables and a sale-price growth of 7.9% per year over 27 years.
£375,000
Growth on file: 7.9% per year over 27 years.
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9 River Street outperforms the street on price per m² by a wide margin.
Price per m²
£4,630
Street avg £3,118
Floor Area
81 m²
Street avg 69 m²
Habitable Rooms
5 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

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Changes detected from historical EPC data
Heating controls upgraded for better temperature management
Hot water efficiency decreased
Single glazing replaced with double or better glazing
More low energy lighting installed
Are we missing something? Tell us about home improvements to help adjust your valuation.
20 March 2025Most recent
£375,000
+134.4%over 10 years23 December 2014
£160,000
+14.3%over 3 years13 July 2011
£140,000
+79.5%over 10 years13 October 2000
£78,000
+59.2%over 2 years6 August 1998
£49,000
Median price across the last 5 sales in YO23 1AT: £247,000 (2023–2019).
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
3.5 t/year
Street avg 3.0 t/year
YO23 1JW
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