4 Swan Lane is a three-bedroom semi-detached house in Guilden Morden, Royston, Royston (SG8 0JW). It has a recorded floor area of 119 m² (around 1281 sq ft), construction records dating it to 1967-1975 and council tax band E. The latest certificate (March 2022) shows an E (score 48), well below the UK norm with real room to improve. The rating has held steady at E across 2 certificates since March 2012. Between certificates, lighting went from Poor to Very Good; while wall efficiency dropped from Average to Poor. The recommended improvements would lift it to C (score 78), a 2-band jump. Main heating runs on oil.
Held since April 1997 — that's 29 years off the open market, well above the local norm. 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 £479,000 sits 312.9% above the 1997 sale of £116,000. One historical planning record sits against the property in 2023.
4 Swan Lane's carbon output runs well above what efficient homes in the postcode produce.
T3 - Leyland Cypress - fell T4 - Lawson Cypress - fell T7 - Laurel - shorten lateral growth 2-3m. Retain height, remove deadwood
4 Swan Lane's modelled value sits at over four times its earliest registered sale price (1997).
£479,000
Modelled from EPC, postcode comparables.
£116,000
Recorded with HM Land Registry.
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Detailed analysis
A written breakdown of everything that matters
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
0.2 km

Daytime· 07:00 – 23:00
43.0dB

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Changes detected from historical EPC data
More low energy lighting installed
Full planning data for 4 Swan Lane, Guilden Morden, Royston, SG8 0JW
Every application and decision on this property and nearby, in full, in the report.
18 April 1997Most recent
£116,000
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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SG8 0LP
Guilden Morden CofE Primary Academy. 2 schools nearby.
Night-time· 23:00 – 07:00
35.8dB