21 Colts Croft is a four-bedroom detached house in Great Chishill, Royston, Royston (SG8 8SF). It has a recorded floor area of 103 m² (around 1109 sq ft), construction records dating it to 1976-1982 and council tax band E. The latest certificate (July 2018) shows an E (score 39), well below the UK norm with real room to improve. The recommended improvements would lift it to C (score 79), a 2-band jump. Main heating runs on oil.
Sale prices here have outpaced England HPI: 7.6% per year against 0% for the wider region. Today's modelled estimate of £530,000 is 17.8% above the 2019 sale price. On a £-per-square-foot basis, the last sale (£406/sq ft) was about 66.8% above the typical sold price in the postcode. Sold February 2019 for £450,000.
21 Colts Croft's carbon output runs well above what efficient homes in the postcode produce.
No planning applications are recorded against 21 Colts Croft, Great Chishill, Royston, SG8 8SF. The full report also covers planning activity across the surrounding area.
Full planning data for 21 Colts Croft, Great Chishill, Royston, SG8 8SF
Every application and decision on this property and nearby, in full, in the report.
Price for 21 Colts Croft has grown more than fourfold since the 1996 starting point.
£530,000
Modelled from EPC, postcode comparables and a sale-price growth of 7.6% per year over 22 years.
£450,000
Growth on file: 7.6% per year over 22 years.
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EPC Rating for 21 Colts Croft lags the street by a wide margin.
Price per m²
£4,369
Street avg £3,365
Floor Area
103 m²
Street avg 135 m²
Habitable Rooms
6 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
2.3 km

Daytime· 07:00 – 23:00
44.3dB

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15 February 2019Most recent
£450,000
+411.4%over 22 years18 September 1996
£88,000
Median price across the last 5 sales in SG8 8SF: £495,000 (2024–2020).
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
7.0 t/year
Street avg 7.9 t/year
SG8 8SF
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
37.4dB