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Get started27 Adelaide Street is a three-bedroom end-of-terrace house in York (YO23 1DL). It has a recorded floor area of 132 m² (around 1421 sq ft), construction records dating it to 1900-1929 and council tax band B. The latest certificate (November 2020) shows a D (score 65), on the cusp of jumping into the C band. When first surveyed in January 2013 the rating was E, the property has climbed 1 band since. Between certificates, window efficiency went from Poor to Good and lighting went from Average to Very Good. The recommended improvements would lift it to B (score 81), a 2-band jump. Records show the property has been extended at some point in its history.
Sale prices here have outpaced York HPI: 8.4% per year against 0% for the wider region. Today's modelled estimate of £422,000 is 23% above the 2021 sale price. On a £-per-square-foot basis, the last sale (£241/sq ft) was about 47.8% above the typical sold price in the postcode. At 132 m² the property is well over the postcode median (83 m² across 24 EPCs), placing it in the larger end of the local stock. Most recent transfer: April 2021 at £343,000. Across the public record there are 5 sales, relatively high churn for a single property. That sale was during the post-pandemic price surge, when transactions cleared materially above pre-2020 trend. 2 planning records sit against the property, 2 approved, 0 refused. Past consents include an extension and a loft conversion, meaningful when judging how the property has evolved.
Recommended upgrades on file would lift this property by multiple EPC bands.
Planning history includes both a loft conversion and an extension — the classic family-home expansion.
Extension: Single storey · Rear of property
Erection of single storey extension extending 3.1 metres beyond the rear wall of the original house, with a height to the eaves of 2.2 metres and a total height of 2.8 metres
Price for 27 Adelaide Street has grown more than fourfold since the 1999 starting point.
£422,000
Modelled from EPC, postcode comparables and a sale-price growth of 8.4% per year over 22 years.
£343,000
Growth on file: 8.4% per year over 22 years.
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27 Adelaide Street outperforms the street on floor area by a wide margin.
Price per m²
£2,598
Street avg £2,204
Floor Area
132 m²
Street avg 82 m²
Habitable Rooms
5 rooms
Crime
2/mo
Steady year-on-year across the wider district.
Nearest stop
0.2 km
The Knavesmire — bus stop.

Daytime· 07:00 – 23:00
51.7dB

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Changes detected from historical EPC data
Windows upgraded, improving insulation
More low energy lighting installed
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Extension: Rear of property
Erection of flat roof dormer to rear
1 April 2021Most recent
£343,000
+49.5%over 7 years30 May 2013
£229,500
+2.5%over 4 years4 July 2008
£224,000
+82.6%over 5 years9 April 2003
£122,700
+108.0%over 3 years9 July 1999
£59,000
Median price across the last 5 sales in YO23 1DL: £247,500 (2024–2018).
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
5.6 t/year
Street avg 3.9 t/year
YO23 1JW
Closest school
0.2 km
Millthorpe School. 26 schools nearby.
Night-time· 23:00 – 07:00
41.8dB