30 High Street is a four-bedroom semi-detached house in Croydon, Royston, Royston (SG8 0DN). It has a recorded floor area of 160 m² (around 1722 sq ft), construction records dating it to 1930-1949 and council tax band D. The latest certificate (June 2024) shows an E (score 54), well below the UK norm with real room to improve. Earlier certificates rated it D (March 2014); the latest reading is one band lower. Between certificates, lighting went from Poor to Very Good; while wall efficiency dropped from Good to Average and roof efficiency dropped from Good to Very Poor. The recommended improvements would push it to D (score 67). Main heating runs on oil. Records show the property has been extended at some point in its history.
Sale prices here have outpaced England HPI: 7.5% per year against 0% for the wider region. Today's modelled estimate of £607,000 is 44.5% above the 2014 sale price. On a £-per-square-foot basis, the last sale (£244/sq ft) was about 67.5% above the typical sold price in the postcode. Last sold in December 2014, so it's been off the market for around 11 years. Across the public record there are 4 sales, relatively high churn for a single property. It lags the bulk of the postcode on energy efficiency (less efficient than 80% of similar EPCs).
30 High Street's carbon output runs well above what efficient homes in the postcode produce.
No planning applications are recorded against 30 High Street, Croydon, Royston, SG8 0DN. The full report also covers planning activity across the surrounding area.
Full planning data for 30 High Street, Croydon, Royston, SG8 0DN
Every application and decision on this property and nearby, in full, in the report.
30 High Street has more than tripled in price since its earliest registered sale in 1997.
£607,000
Modelled from EPC, postcode comparables and a sale-price growth of 7.5% per year over 17 years.
£420,000
Growth on file: 7.5% per year over 17 years.
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EPC Rating for 30 High Street lags the street by a wide margin.
Price per m²
£2,625
Street avg £3,200
Floor Area
160 m²
Street avg 165 m²
Habitable Rooms
7 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.

Daytime· 07:00 – 23:00
41.4dB

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Changes detected from historical EPC data
Heating controls upgraded for better temperature management
Windows upgraded, improving insulation
More low energy lighting installed
8 December 2014Most recent
£420,000
+52.7%over 9 years18 March 2005
£275,000
+59.9%over 3 years14 November 2001
£172,000
+38.7%over 3 years22 December 1997
£124,000
Median price across the last 5 sales in SG8 0DN: £405,000 (2019–2014).
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
7.6 t/year
Street avg 5.8 t/year
SG8 0RB
Night-time· 23:00 – 07:00
35.6dB