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Get startedAlnwick is a detached house in Marton Cum Grafton, York, York (YO51 9QY). It has a recorded floor area of 135 m² (around 1455 sq ft), construction records dating it to 1967-1975 and council tax band F. The latest certificate (November 2008) shows an E (score 42), well below the UK norm with real room to improve. The recommended improvements would push it to D (score 62). Main heating runs on oil. The latest certificate is from November 2008, so improvements made since then won't be reflected.
Sale prices here have outpaced York HPI: 5.4% per year against 0% for the wider region. Today's modelled estimate of £628,000 is 13.9% above the 2021 sale price. On a £-per-square-foot basis, the last sale (£379/sq ft) was about 60% above the typical sold price in the postcode. One planning record on file: an extension approved in 2010. Past consents include an extension, meaningful when judging how the property has evolved. At 135 m² it's 21.9% smaller than the typical home in the postcode (173 m² median across 29 EPCs). Sold June 2021 for £551,500. That sale was during the post-pandemic price surge, when transactions cleared materially above pre-2020 trend.
Alnwick's carbon output runs well above what efficient homes in the postcode produce.
This certificate is over 10 years old and is no longer valid.Expired 26 Nov 2018
Extension: Single storey
Erection of first floor side extension, single storey rear extension and pitched roof to front dormer.
The latest sale landed in the post-pandemic price surge — useful context when reading the figure.
£628,000
Modelled from EPC, postcode comparables and a sale-price growth of 5.4% per year over 12 years.
£551,500
Growth on file: 5.4% per year over 12 years.
On price per m², Alnwick stands well clear of the street.
Price per m²
£4,081
Street avg £2,940
Floor Area
135 m²
Street avg 180 m²
Habitable Rooms
6 rooms
Daytime road noise here sits well below conversation level — a quiet pocket of the postcode.
Crime
2/mo
Steady year-on-year across the wider district.
Nearest stop
0.1 km
Village Hall — bus stop.

Daytime· 07:00 – 23:00
47.0dB

29 June 2021Most recent
£551,500
+86.9%over 11 years1 July 2009
£295,000
Median price across the last 5 sales in YO51 9QY: £710,000 (2025–2021).
1 Rose Cottages Marton Marton Cum Grafton York
Sold Jul 2025
Kinnessburn Marton Marton Cum Grafton York
Sold Sept 2024
Dew House Marton Marton Cum Grafton York
Sold Oct 2022
Peach Tree Grange Marton Marton Cum Grafton York
Sold Oct 2021
Copperfield Marton Marton Cum Grafton York
Sold Sept 2021
Street avg 7 rooms
CO₂ Emissions
8.0 t/year
Street avg 9.9 t/year
YO51 9FY
Closest school
0.2 km
Marton-Cum-Grafton Church of England Primary School. 1 school nearby.
Night-time· 23:00 – 07:00
37.5dB
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