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Get started25 Emerald Street is a three-bedroom mid-terrace house in York (YO31 8LQ). It has a recorded floor area of 92 m² (around 990 sq ft), construction records dating it to before 1900 and council tax band B. The latest certificate (October 2025) shows a D (score 64), on the cusp of jumping into the C band. The rating has held steady at D across 2 certificates since August 2015. Between certificates, window efficiency went from Very Poor to Good; while wall efficiency dropped from Poor to Very Poor and roof efficiency dropped from Good to Average. The recommended improvements would lift it to B (score 81), a 2-band jump. Period features are noted in the property record. The home occupies a corner plot.
Sale prices here have outpaced York HPI: 2.3% per year against 0% for the wider region. Today's modelled estimate of £394,000 is 21.2% above the 2021 sale price. On a £-per-square-foot basis, the last sale (£328/sq ft) was about 72.6% above the typical sold price in the postcode. Sold September 2021 for £325,000. That sale was during the post-pandemic price surge, when transactions cleared materially above pre-2020 trend.
Recommended upgrades on file would lift this property by multiple EPC bands.
The latest sale landed in the post-pandemic price surge — useful context when reading the figure.
£394,000
Modelled from EPC, postcode comparables and a sale-price growth of 2.3% per year over 14 years.
£325,000
Growth on file: 2.3% per year over 14 years.
CO₂ Emissions for 25 Emerald Street runs comfortably ahead of the street norm.
Price per m²
£3,533
Street avg £2,400
Floor Area
92 m²
Street avg 99 m²
Habitable Rooms
5 rooms
Crime
6/mo
Steady year-on-year across the wider district.
Nearest stop
0.1 km
Grove Terrace Lane — bus stop.

Daytime· 07:00 – 23:00
52.7dB

Changes detected from historical EPC data
Heating controls changed
Single glazing replaced with double or better glazing
Low energy lighting percentage decreased
Are we missing something? Tell us about home improvements to help adjust your valuation.
24 September 2021Most recent
£325,000
+28.4%over 5 years2 November 2015
£253,200
+6.6%over 7 years18 January 2008
£237,500
Median price across the last 5 sales in YO31 8LQ: £350,000 (2025–2022).
Street avg 5 rooms
CO₂ Emissions
3.4 t/year
Street avg 5.1 t/year
YO31 8NG
Closest school
0.1 km
Park Grove Primary Academy. 29 schools nearby.
Night-time· 23:00 – 07:00
42.4dB
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