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Get started4 Chalfonts is a three-bedroom detached house in York (YO24 1EX). It has a recorded floor area of 103 m² (around 1109 sq ft), construction records dating it to 1976-1982 and council tax band E. The latest certificate (June 2024) shows a C (score 77), near the top of the C band. When first surveyed in September 2019 the rating was D, the property has climbed 1 band since. Between certificates, roof efficiency went from Average to Very Good and window efficiency went from Average to Good; while hot-water efficiency dropped from Good to Poor and main heating dropped from Good to Poor. The recommended improvements would push it to B (score 84). Main heating runs on electricity. The home occupies a corner plot.
2 planning records sit against the property, 1 approved, 0 refused. Past consents include an extension and a conservatory, meaningful when judging how the property has evolved. Today's modelled estimate of £512,000 is 38.4% above the 2021 sale price. On a £-per-square-foot basis, the last sale (£334/sq ft) was about 35.9% above the typical sold price in the postcode. At 103 m² it's 15.9% smaller than the typical home in the postcode (123 m² median across 16 EPCs). Most recent transfer: January 2021 at £370,000. That sale was during the post-pandemic price surge, when transactions cleared materially above pre-2020 trend.
Fell 1no Japanese Cypress - tree in a conservation area
The latest sale landed in the post-pandemic price surge — useful context when reading the figure.
£512,000
Modelled from EPC, postcode comparables.
£370,000
Recorded with HM Land Registry.
4 Chalfonts outperforms the street on epc rating by a wide margin.
Price per m²
£3,592
Street avg £3,138
Floor Area
103 m²
Street avg 121 m²
Habitable Rooms
6 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
Heat pump installed, significantly improving energy efficiency
Changed to a more efficient fuel source
Heating controls changed
Hot water efficiency decreased
Window efficiency improved
Roof insulation improved
Solar PV panels (30 kWp) installed
Are we missing something? Tell us about home improvements to help adjust your valuation.
Extension: Single storey · Side of property
Single storey side extension and new roof structure and alterations to existing conservatory
15 January 2021Most recent
£370,000
Median price across the last 5 sales in YO24 1EX: £380,000 (2025–2018).
CO₂ Emissions
2.3 t/year
Street avg 4.9 t/year
YO24 1HX
Closest school
0.5 km
Dringhouses Primary School. 25 schools nearby.
Night-time· 23:00 – 07:00
39.8dB
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