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Get started23 Emerald Street is a mid-terrace house in York (YO31 8LQ). It has a recorded floor area of 93 m² (around 1001 sq ft), construction records dating it to before 1900 and council tax band B. The latest certificate (March 2023) shows a C (score 69), just inside the C band. When first surveyed in February 2013 the rating was E, the property has climbed 2 bands since. Between certificates, roof efficiency went from Very Poor to Good and window efficiency went from Poor to Average. The recommended improvements would push it to B (score 85).
Untraded for 27 years, with the last transfer in October 1999. Only one transfer is on record with HM Land Registry, suggesting it has stayed in the same hands for a long time. Today's modelled estimate of £326,000 sits 335% above the 1999 sale of £74,950. On a £-per-square-foot basis, the last sale (£75/sq ft) was about 62% below the postcode norm. Its energy rating outperforms most of the postcode (better than 86% of similar EPCs).
23 Emerald Street's modelled value sits at over four times its earliest registered sale price (1999).
£326,000
Modelled from EPC, postcode comparables.
£74,950
Recorded with HM Land Registry.
23 Emerald Street outperforms the street on years held by a wide margin.
Price per m²
£806
Street avg £2,543
Floor Area
93 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 upgraded for better temperature management
Windows upgraded, improving insulation
Roof insulation improved
Are we missing something? Tell us about home improvements to help adjust your valuation.
15 October 1999Most recent
£74,950
Median price across the last 5 sales in YO31 8LQ: £350,000 (2025–2022).
Street avg 5 rooms
CO₂ Emissions
3.6 t/year
Street avg 5.1 t/year
Closest school
0.1 km
Park Grove Primary Academy. 29 schools nearby.
Night-time· 23:00 – 07:00
42.4dB
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