3 South Barn is a four-bedroom mid-terrace house in Heydon, Royston, Royston (SG8 7NT). It has a recorded floor area of 147 m² (around 1582 sq ft), construction records dating it to 1991-1995 and council tax band F. The latest certificate (March 2019) shows a D (score 59), a step below the typical UK home. The recommended improvements would lift it to A (score 93), a 3-band jump. Main heating runs on oil. Period features are noted in the property record. Our model identifies extension potential, subject to local planning policy.
Sale prices here have outpaced England HPI: 5.2% per year against 0% for the wider region. Today's modelled estimate of £645,000 is 25.2% above the 2019 sale price. On a £-per-square-foot basis, the last sale (£325/sq ft) was about 17.9% above the typical sold price in the postcode. At 147 m² it's 23.5% larger than the typical home in the postcode (119 m² median across 11 EPCs). Most recent transfer: October 2019 at £515,000.
3 South Barn's carbon output runs well above what efficient homes in the postcode produce.
No planning applications are recorded against 3 South Barn, Chrishall Grange, Heydon, Royston, SG8 7NT. The full report also covers planning activity across the surrounding area.
Full planning data for 3 South Barn, Chrishall Grange, Heydon, Royston, SG8 7NT
Every application and decision on this property and nearby, in full, in the report.
Sale price has grown by over 3x since 1998.
£645,000
Modelled from EPC, postcode comparables and a sale-price growth of 5.2% per year over 22 years.
£515,000
Growth on file: 5.2% per year over 22 years.
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On epc rating, 3 South Barn stands well clear of the street.
Price per m²
£3,503
Street avg £7,320
Floor Area
147 m²
Street avg 142 m²
Habitable Rooms
8 rooms
Street avg 7 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.
Nearest stop
2.7 km

Daytime· 07:00 – 23:00
43.8dB

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18 October 2019Most recent
£515,000
+137.3%over 20 years31 August 1999
£217,000
+26.9%over 1 year9 February 1998
£171,000
Median price across the last 5 sales in SG8 7NT: £425,000 (2023–2015).
The Grange Chrishall Grange Heydon Royston
Sold Sept 2023
Cottage 4 Chrishall Grange Heydon Royston
Sold Jun 2023
2 South Barn Chrishall Grange Heydon Royston
Sold Mar 2019
Wendy Cottage Chrishall Grange Heydon Royston
Sold Mar 2015
4 South Barn Chrishall Grange Heydon Royston
Sold Nov 2014
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
6.3 t/year
Street avg 7.9 t/year
SG8 7XP
Pinkeneys — bus stop.
Night-time· 23:00 – 07:00
35.9dB