189 Ermine Way is a five-bedroom detached house in Arrington, Royston, Royston (SG8 0AY). It has a recorded floor area of 206 m² (around 2217 sq ft), construction records dating it to before 1900 and council tax band F. The latest certificate (April 2016) shows a D (score 57), a step below the typical UK home. When first surveyed in August 2012 the rating was E, the property has climbed 1 band since. Between certificates, roof efficiency dropped from Very Good to Good. The recommended improvements would lift it to B (score 90), a 2-band jump. Main heating runs on oil. The latest certificate is from April 2016, so improvements made since then won't be reflected. Other recorded features include outbuildings and attached land beyond the plot.
Sale prices here have outpaced England HPI: 6.6% per year against 0% for the wider region. Today's modelled estimate of £809,000 sits 61.8% above the 2016 sale of £500,000. At 206 m² it's 24.1% larger than the typical home in the postcode (166 m² median across 5 EPCs). Last changed hands 10 years ago, in August 2016.
189 Ermine Way'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This certificate is over 10 years old and is no longer valid.Expired 19 Apr 2026
No planning applications are recorded against 189 Ermine Way, Arrington, Royston, SG8 0AY. The full report also covers planning activity across the surrounding area.
Full planning data for 189 Ermine Way, Arrington, Royston, SG8 0AY
Every application and decision on this property and nearby, in full, in the report.
189 Ermine Way changed hands twice within eighteen months — unusual for the area.
£809,000
Modelled from EPC, postcode comparables and a sale-price growth of 6.6% per year over 1 year.
£500,000
Growth on file: 6.6% per year over 1 year.
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CO₂ Emissions for 189 Ermine Way lags the street by a wide margin.
Price per m²
£2,427
Street avg £3,108
Floor Area
206 m²
Street avg 192 m²
Habitable Rooms
11 rooms
Street avg 8 rooms
Crime
3/mo
Steady year-on-year across the wider district.

Daytime· 07:00 – 23:00
50.3dB

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Changes detected from historical EPC data
8 August 2016Most recent
£500,000
+7.5%over 1 year19 June 2015
£465,000
Median price across the last 5 sales in SG8 0AY: £575,000 (2022–2005).
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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CO₂ Emissions
8.5 t/year
Street avg 6.9 t/year
SG8 0JX
Night-time· 23:00 – 07:00
42.3dB