15 Guise Lane is a detached house in Bassingbourn, Royston, Royston (SG8 5PJ). It has a recorded floor area of 167 m² (around 1798 sq ft), construction records dating it to 1967-1975 and council tax band F. The latest certificate (November 2020) shows an F (score 35), near the bottom of the EPC scale. The recommended improvements would lift it to C (score 70), a 3-band jump. Main heating runs on electricity.
At 167 m² the property is well over the postcode median (106 m² across 11 EPCs), placing it in the larger end of the local stock. One planning record on file: an extension approved in 2022. Past consents include an extension, meaningful when judging how the property has evolved. Today's modelled estimate of £542,000 is 17.8% above the 2022 sale price. Sold April 2022 for £460,000. That sale was during the post-pandemic price surge, when transactions cleared materially above pre-2020 trend.
15 Guise Lane's carbon output runs well above what efficient homes in the postcode produce.
Extension: Part single, part two storey · Side and rear of property
Single storey rear & side extensions and first floor extensions
The latest sale landed in the post-pandemic price surge — useful context when reading the figure.
£542,000
Modelled from EPC, postcode comparables.
£460,000
Recorded with HM Land Registry.
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A written breakdown of everything that matters
On co₂ emissions, 15 Guise Lane runs well behind the street norm.
Price per m²
£2,754
Street avg £3,279
Floor Area
167 m²
Street avg 111 m²
Habitable Rooms
7 rooms
Street avg 5 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.
Closest school
1.3 km

Daytime· 07:00 – 23:00
41.6dB

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Full planning data for 15 Guise Lane, Bassingbourn, Royston, SG8 5PJ
Every application and decision on this property and nearby, in full, in the report.
11 April 2022Most recent
£460,000
Median price across the last 5 sales in SG8 5PJ: £347,000 (2024–2016).
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
18.0 t/year
Street avg 7.8 t/year
SG8 5SR
Bassingbourn Village College. 2 schools nearby.
Night-time· 23:00 – 07:00
35.4dB