23 Chishill Road is a four-bedroom semi-detached house in Heydon, Royston, Royston (SG8 8PW). It has a recorded floor area of 152 m² (around 1636 sq ft), construction records dating it to 1950-1966 and council tax band F. Tenure is freehold. The latest certificate (January 2024) shows a D (score 56), a step below the typical UK home. When first surveyed in August 2022 the rating was E, the property has climbed 1 band since. Between certificates, wall efficiency went from Very Poor to Poor. The recommended improvements would push it to C (score 73). Main heating runs on oil. Period features are noted in the property record.
Untraded for 27 years, with the last transfer in January 1999. Only one transfer is on record with HM Land Registry, suggesting it has stayed in the same hands for a long time. Today's modelled estimate of £714,000 sits 227.5% above the 1999 sale of £218,000. On a £-per-square-foot basis, the last sale (£133/sq ft) was about 67.2% below the postcode norm.
23 Chishill Road's carbon output runs well above what efficient homes in the postcode produce.
No planning applications are recorded against 23 Chishill Road, Heydon, Royston, SG8 8PW. The full report also covers planning activity across the surrounding area.
Full planning data for 23 Chishill Road, Heydon, Royston, SG8 8PW
Every application and decision on this property and nearby, in full, in the report.
23 Chishill Road's estimated value is more than triple its earliest registered sale price (1999).
£714,000
Modelled from EPC, postcode comparables.
£218,000
Recorded with HM Land Registry.
Everything we know about this property, compiled into one in-depth, downloadable report.
Detailed analysis
A written breakdown of everything that matters
On price per m², 23 Chishill Road runs well behind the street norm.
Price per m²
£1,434
Street avg £4,753
Floor Area
152 m²
Street avg 200 m²
Habitable Rooms
6 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
1.4 km

Daytime· 07:00 – 23:00
42.0dB

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

Changes detected from historical EPC data
Wall insulation improved
Low energy lighting percentage decreased
Floor insulation added or improved
19 January 1999Most recent
£218,000
Median price across the last 5 sales in SG8 8PW: £462,655 (2021–2007).
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

Street avg 7 rooms
CO₂ Emissions
7.6 t/year
Street avg 6.4 t/year
SG8 8SB
School — bus stop.
Closest school
1.4 km
Chrishall Holy Trinity and St Nicholas CofE (Aided) Primary School and Pre-School. 1 school nearby.
Night-time· 23:00 – 07:00
35.7dB