18 High Street is a five-bedroom detached house in Chrishall, Royston, Royston (SG8 8RP). It has a recorded floor area of 234 m² (around 2519 sq ft), construction records dating it to 1930-1949 and council tax band E. The latest certificate (June 2013) shows an E (score 49), well below the UK norm with real room to improve. The recommended improvements would lift it to C (score 77), a 2-band jump. Main heating runs on oil. The latest certificate is from June 2013, so improvements made since then won't be reflected.
It hasn't traded since April 2004, a hold of 22 years that's notably long for the area. At 234 m² the property is well over the postcode median (128 m² across 12 EPCs), placing it in the larger end of the local stock. Today's modelled estimate of £795,000 sits 87.1% above the 2004 sale of £425,000. On a £-per-square-foot basis, the last sale (£169/sq ft) was about 32.6% below the postcode norm. One planning record on file: an extension approved in 2009. Past consents include an extension, meaningful when judging how the property has evolved.
18 High Street'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This certificate is over 10 years old and is no longer valid.Expired 14 Jun 2023
18 High Street has an approved single-storey rear extension on the planning record.
Extension: Single storey · Rear of property
First floor rear extension and bay window to replace double garage doors
18 High Street valuation sits well clear of the typical sold price in this postcode.
£795,000
Modelled from EPC, postcode comparables.
£425,000
Recorded with HM Land Registry.
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18 High Street outperforms the street on floor area by a wide margin.
Price per m²
£1,816
Street avg £3,603
Floor Area
234 m²
Street avg 138 m²
Habitable Rooms
8 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
0.2 km

Daytime· 07:00 – 23:00
43.4dB

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Full planning data for 18 High Street, Chrishall, Royston, SG8 8RP
Every application and decision on this property and nearby, in full, in the report.
8 April 2004Most recent
£425,000
Median price across the last 5 sales in SG8 8RP: £675,000 (2021–2018).
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 6 rooms
CO₂ Emissions
13.0 t/year
Street avg 7.6 t/year
SG8 8HN
School — bus stop.
Closest school
0.2 km
Chrishall Holy Trinity and St Nicholas CofE (Aided) Primary School and Pre-School. 1 school nearby.
Night-time· 23:00 – 07:00
35.9dB