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Get started6 Millfield is a four-bedroom detached house in Marton Cum Grafton, York, York (YO51 9PT). It has a recorded floor area of 127 m² (around 1367 sq ft) and construction records dating it to 1983-1990. The latest certificate (April 2021) shows an E (score 52), well below the UK norm with real room to improve. The rating has held steady at E across 2 certificates since December 2009. Between certificates, roof efficiency went from Average to Good, window efficiency went from Average to Good and lighting went from Poor to Very Good; while hot-water efficiency dropped from Poor to Very Poor and main heating dropped from Average to Poor. The recommended improvements would lift it to A (score 94), a 4-band jump. Main heating runs on oil.
Sale prices here have outpaced York HPI: 6.6% per year against 0% for the wider region. Today's modelled estimate of £504,000 is 11.4% above the 2021 sale price. On a £-per-square-foot basis, the last sale (£331/sq ft) was about 32.4% above the typical sold price in the postcode. 3 planning records sit against the property, 2 approved, 0 refused. Past consents include tree works, meaningful when judging how the property has evolved. The record references conservation-area consent, which constrain future alterations. It lags the bulk of the postcode on energy efficiency (less efficient than 80% of similar EPCs). Most recent transfer: June 2021 at £452,500. That sale was during the post-pandemic price surge, when transactions cleared materially above pre-2020 trend.
6 Millfield's carbon output runs well above what efficient homes in the postcode produce.
Planning history at 6 Millfield is exclusively tree-management applications — typical for a property with mature trees on or near the plot.
Felling of 1 no. Cherry tree (T1) with Marton/ Grafton conservation area.
The latest sale landed in the post-pandemic price surge — useful context when reading the figure.
£504,000
Modelled from EPC, postcode comparables and a sale-price growth of 6.6% per year over 8 years.
£452,500
Growth on file: 6.6% per year over 8 years.
On epc rating, 6 Millfield runs well behind the street norm.
Price per m²
£3,563
Street avg £3,151
Floor Area
127 m²
Street avg 127 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
2/mo
Steady year-on-year across the wider district.
Nearest stop
0.1 km
Stockfield Lane — bus stop.

Daytime· 07:00 – 23:00
45.4dB

Changes detected from historical EPC data
Heating controls upgraded for better temperature management
Hot water efficiency decreased
Window efficiency improved
Loft insulation upgraded to recommended levels
More low energy lighting installed
Are we missing something? Tell us about home improvements to help adjust your valuation.
Lateral reduction (by 2m) to clear garage roof, lateral reduction (by 2m) to clear boundary fence and Ivy removal to 1 no. Cherry tree within Martin Cum Grafton Conservation Area.
1 more application for this property
Join to see all planning history.
28 June 2021Most recent
£452,500
+67.6%over 8 years22 May 2013
£270,000
Median price across the last 5 sales in YO51 9PT: £407,960 (2025–2015).
CO₂ Emissions
7.1 t/year
Street avg 5.9 t/year
YO51 9GN
Closest school
0.4 km
Marton-Cum-Grafton Church of England Primary School. 1 school nearby.
Night-time· 23:00 – 07:00
37.0dB
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