109 Ermine Way is a four-bedroom detached house in Arrington, Royston, Royston (SG8 0AG). It has a recorded floor area of 136 m² (around 1464 sq ft), construction records dating it to 1991-1995 and council tax band E. The latest certificate (September 2020) shows a D (score 60), on the cusp of jumping into the C band. The recommended improvements would lift it to B (score 82), a 2-band jump. Main heating runs on electricity.
Sale prices here have outpaced England HPI: 5.9% per year against 0% for the wider region. Today's modelled estimate of £609,000 is 10.7% above the 2021 sale price. On a £-per-square-foot basis, the last sale (£376/sq ft) was about 25.7% above the typical sold price in the postcode. At 136 m² the property is well over the postcode median (89 m² across 19 EPCs), placing it in the larger end of the local stock. Last sale on file: £550,000 in March 2021. That sale was during the post-pandemic price surge, when transactions cleared materially above pre-2020 trend.
109 Ermine Way's carbon output runs well above what efficient homes in the postcode produce.
No planning applications are recorded against 109 Ermine Way, Arrington, Royston, SG8 0AG. The full report also covers planning activity across the surrounding area.
Full planning data for 109 Ermine Way, Arrington, Royston, SG8 0AG
Every application and decision on this property and nearby, in full, in the report.
Price for 109 Ermine Way has grown more than fourfold since the 1996 starting point.
£609,000
Modelled from EPC, postcode comparables and a sale-price growth of 5.9% per year over 24 years.
£550,000
Growth on file: 5.9% per year over 24 years.
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On habitable rooms, 109 Ermine Way stands well clear of the street.
Price per m²
£4,044
Street avg £3,485
Floor Area
136 m²
Street avg 121 m²
Habitable Rooms
9 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.
Closest school
2.9 km

Daytime· 07:00 – 23:00
48.4dB

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11 March 2021Most recent
£550,000
+300.0%over 24 years28 November 1996
£137,500
Median price across the last 5 sales in SG8 0AG: £383,110 (2025–2023).
Detailed EPC data
Full energy ratings, history and recommendations
Full planning history
Every application and decision on record
Comparable sales data
Plus transport, crime, schools and air quality
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Street avg 5 rooms
CO₂ Emissions
8.4 t/year
Street avg 6.1 t/year
SG8 0RB
Petersfield CofE Aided Primary School. 1 school nearby.
Night-time· 23:00 – 07:00
40.9dB