1 Heydon Grange House is a semi-detached house in Heydon, Royston, Royston (SG8 7NS). It has a recorded floor area of 140 m² (around 1507 sq ft) and construction records dating it to 1996-2002. The latest certificate (May 2023) shows a D (score 67), on the cusp of jumping into the C band. The rating has held steady at D across 3 certificates since December 2008. Between certificates, lighting went from Average to Very Good. The recommended improvements would push it to C (score 80). Main heating runs on oil.
2 planning records sit against the property, 1 approved, 0 refused.
Change of use - Allow domestic dwellings to have larger garden areas
1 Heydon Grange House has no Land Registry sales on file, suggesting it has stayed in the same hands since registration began.
£527,000
Modelled from EPC, postcode comparables.
That can mean the property has never traded since the registry began publishing in 1995, was a new build that hasn't been registered yet, or is held in the same hands long-term.
Everything we know about this property, compiled into one in-depth, downloadable report.
Detailed analysis
A written breakdown of everything that matters
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.

Daytime· 07:00 – 23:00
41.9dB

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Changes detected from historical EPC data
Heating controls changed
More low energy lighting installed
Floor insulation added or improved
More low energy lighting installed
Variation of condition 2 of S/0743/08 (occupancy restriction)
Full planning data for 1 Heydon Grange House, Fowlmere Road, Heydon, Royston, SG8 7NS
Every application and decision on this property and nearby, in full, in the report.
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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SG8 7TR
Night-time· 23:00 – 07:00
36.7dB