15 Hillside Lane is a four-bedroom detached house in Arrington, Royston, Royston (SG8 0BZ). It has a recorded floor area of 139 m² (around 1496 sq ft), construction records dating it to 1967-1975 and council tax band F. The latest certificate (February 2023) shows a D (score 57), a step below the typical UK home. The recommended improvements would push it to C (score 71). Main heating runs on oil. Other recorded features include a conservatory and attached land beyond the plot.
Held since May 2009 — that's 17 years off the open market, well above the local norm. That sale fell during the post-crash dip, which often skews comparisons against later neighbouring sales. Today's modelled estimate of £677,000 sits 69.2% above the 2009 sale of £400,000. On a £-per-square-foot basis, the last sale (£267/sq ft) was about 138.4% above the typical sold price in the postcode. 2 planning records sit against the property, 1 approved, 1 refused. Past consents include an extension, meaningful when judging how the property has evolved. At 139 m² it's 19.8% larger than the typical home in the postcode (116 m² median across 3 EPCs).
15 Hillside Lane's carbon output runs well above what efficient homes in the postcode produce.
A a single-storey side extension application was refused at 15 Hillside Lane in 2023.
Extension: Single storey · Side of property
Single storey pitched roof side extension.
The latest sale fell during the post-2008 dip, often a low-water mark in price comparisons.
£677,000
Modelled from EPC, postcode comparables.
£400,000
Recorded with HM Land Registry.
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EPC Rating
57 (D)
Street avg 63 (D)
Floor Area
139 m²
Street avg 129 m²
CO₂ Emissions
6.9 t/year
Street avg 5.8 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.

Daytime· 07:00 – 23:00
49.4dB

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Extension: Single storey · Side of property
Certificate of lawfulness under S192 for Remove existing conservatory and build a single storey side extension with mono pitch roof
Full planning data for 15 Hillside Lane, Arrington, Royston, SG8 0BZ
Every application and decision on this property and nearby, in full, in the report.
29 May 2009Most recent
£400,000
Median price across the last 3 sales in SG8 0BZ: £185,000 (2012–1997).
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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Habitable Rooms
5 rooms
Street avg 6 rooms
SG8 0BA
Night-time· 23:00 – 07:00
41.7dB