41a is a detached house in Arrington, Royston, Royston (SG8 0AG). It has a recorded floor area of 126 m² (around 1356 sq ft) and construction records dating it to 2020. The latest certificate (June 2021) returns a high B (score 86), putting the home a stone's throw from an A rating. The recommended improvements would push it to A (score 96). Main heating runs on electricity: electricity, unspecified tariff.
Sale prices here have outpaced England HPI: 49.6% per year against 0% for the wider region. On a £-per-square-foot basis, the last sale (£380/sq ft) was about 27% above the typical sold price in the postcode. At 126 m² the property is well over the postcode median (89 m² across 19 EPCs), placing it in the larger end of the local stock. On energy efficiency it sits in the top 10% of properties in this postcode. Sold April 2022 for £515,000. That sale was during the post-pandemic price surge, when transactions cleared materially above pre-2020 trend.
41a ranks among the most efficient homes in the postcode for energy use.
No planning applications are recorded against 41a, Ermine Way, Arrington, Royston, SG8 0AG. The full report also covers planning activity across the surrounding area.
Full planning data for 41a, Ermine Way, Arrington, Royston, SG8 0AG
Every application and decision on this property and nearby, in full, in the report.
Sale price has grown by over 3x since 2019.
£554,000
Modelled from EPC, postcode comparables and a sale-price growth of 49.6% per year over 3 years.
£515,000
Growth on file: 49.6% per year over 3 years.
Everything we know about this property, compiled into one in-depth, downloadable report.
Detailed analysis
A written breakdown of everything that matters
41a outperforms the street on epc rating by a wide margin.
Price per m²
£4,087
Street avg £3,481
Floor Area
126 m²
Street avg 122 m²
CO₂ Emissions
1.5 t/year
Street avg 6.5 t/year
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

Launch offer
Secure checkout · One-off payment
30-day money-back guarantee

19 April 2022Most recent
£515,000
+257.6%over 3 years18 February 2019
£144,000
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
Ad-free · Secure Stripe checkout · One-off payment
30-day money-back guarantee

Years Held
4 years
Street avg 6 years
SG8 0QQ
Petersfield CofE Aided Primary School. 1 school nearby.
Night-time· 23:00 – 07:00
40.9dB