15 Heydon Road is a four-bedroom detached house in Great Chishill, Royston, Royston (SG8 8SP). It has a recorded floor area of 234 m² (around 2519 sq ft), construction records dating it to 1983-1990 and council tax band G. The latest certificate (April 2015) shows a C (score 70). The recommended improvements would push it to B (score 89). Main heating runs on lpg. The latest certificate is from April 2015, so improvements made since then won't be reflected.
Sale prices here have outpaced England HPI: 11.5% per year against 0% for the wider region. 2 planning records sit against the property, 1 approved, 0 refused. Past consents include an extension, meaningful when judging how the property has evolved. Last sold in October 2015, so it's been off the market for around 11 years.
15 Heydon Road'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This certificate is over 10 years old and is no longer valid.Expired 13 Apr 2025
T1 - Maple - Prune back lateral growth from neighbouring tree to clear the building (15, The Green house) by 2.5M due to close proximity.
15 Heydon Road has more than doubled in price since the earliest registered sale in 2008.
£1,192,000
Modelled from EPC, postcode comparables and a sale-price growth of 11.5% per year over 7 years.
£1,100,000
Growth on file: 11.5% per year over 7 years.
Everything we know about this property, compiled into one in-depth, downloadable report.
Detailed analysis
A written breakdown of everything that matters
15 Heydon Road outperforms the street on epc rating by a wide margin.
EPC Rating
70 (C)
Street avg 52 (E)
Floor Area
234 m²
Street avg 242 m²
CO₂ Emissions
6.4 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.
Nearest stop
2.2 km

Daytime· 07:00 – 23:00
45.0dB

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Extension & carport
Full planning data for 15 Heydon Road, Great Chishill, Royston, SG8 8SP
Every application and decision on this property and nearby, in full, in the report.
16 October 2015Most recent
£1,100,000
+88.0%over 5 years5 February 2010
£585,000
+13.6%over 1 year30 October 2008
£515,000
Median price across the last 2 sales in SG8 8SP: £835,000 (2020–2005).
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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Street avg 9.4 t/year
Habitable Rooms
7 rooms
Street avg 7 rooms
SG8 8DZ
School — bus stop.
Closest school
2.2 km
Chrishall Holy Trinity and St Nicholas CofE (Aided) Primary School and Pre-School. 2 schools nearby.
Night-time· 23:00 – 07:00
37.5dB