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Get started20 Chalfonts is a four-bedroom semi-detached house in York (YO24 1EX). It has a recorded floor area of 96 m² (around 1033 sq ft), construction records dating it to 1967-1975 and council tax band D. The latest certificate (January 2021) shows a C (score 69), just inside the C band. When first surveyed in May 2010 the rating was D, the property has climbed 1 band since. Between certificates, roof efficiency went from Average to Good, window efficiency went from Average to Good and lighting went from Good to Very Good; while wall efficiency dropped from Good to Average and hot-water efficiency dropped from Very Good to Good. The recommended improvements would push it to B (score 82). The home occupies a cul-de-sac position.
Sale prices here have outpaced York HPI: 2.9% per year against 0% for the wider region. Today's modelled estimate of £435,000 is 14.5% above the 2025 sale price. On a £-per-square-foot basis, the last sale (£368/sq ft) was about 48.7% above the typical sold price in the postcode. It changed hands recently, sold March 2025 for £380,000. At 96 m² it's 21.6% smaller than the typical home in the postcode (123 m² median across 16 EPCs).
20 Chalfonts valuation sits well clear of the typical sold price in this postcode.
£435,000
Modelled from EPC, postcode comparables and a sale-price growth of 2.9% per year over 21 years.
£380,000
Growth on file: 2.9% per year over 21 years.
20 Chalfonts is notably below the street on years held.
Price per m²
£3,958
Street avg £3,110
Floor Area
96 m²
Street avg 121 m²
Habitable Rooms
5 rooms
Street avg 6 rooms
Daytime road noise here sits well below conversation level — a quiet pocket of the postcode.
Crime
3/mo
Steady year-on-year across the wider district.
Nearest stop
0.2 km
Nelson's Lane — bus stop.

Daytime· 07:00 – 23:00
47.0dB

Changes detected from historical EPC data
Hot water efficiency decreased
Window efficiency improved
Roof insulation improved
More low energy lighting installed
Are we missing something? Tell us about home improvements to help adjust your valuation.
28 March 2025Most recent
£380,000
+58.3%over 14 years23 August 2010
£240,000
+14.3%over 6 years10 August 2004
£209,950
Median price across the last 5 sales in YO24 1EX: £370,000 (2024–2018).
CO₂ Emissions
3.6 t/year
Street avg 4.9 t/year
YO24 1UQ
Closest school
0.5 km
Dringhouses Primary School. 25 schools nearby.
Night-time· 23:00 – 07:00
39.8dB
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