Catkins is a five-bedroom detached house in Croydon, Royston, Royston (SG8 0DR). It has a recorded floor area of 267 m² (around 2874 sq ft), construction records dating it to 1950-1966 and council tax band G. The latest certificate (December 2014) shows a D (score 56), a step below the typical UK home. The rating has held steady at D across 2 certificates since June 2010. Between certificates, roof efficiency went from Average to Good. The recommended improvements would lift it to B (score 84), a 2-band jump. Main heating runs on oil. The latest certificate is from December 2014, so improvements made since then won't be reflected.
Sale prices here have outpaced England HPI: 8.6% per year against 0% for the wider region. Today's modelled estimate of £943,000 sits 61.2% above the 2012 sale of £585,000. On a £-per-square-foot basis, the last sale (£204/sq ft) was about 37.7% below the postcode norm. At 267 m² the property is well over the postcode median (194 m² across 8 EPCs), placing it in the larger end of the local stock. One planning record on file: an extension approved in 2013. Past consents include an extension, meaningful when judging how the property has evolved. Last sold in March 2012, so it's been off the market for around 14 years.
Catkins'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This certificate is over 10 years old and is no longer valid.Expired 18 Dec 2024
Catkins has an approved single-storey rear extension on the planning record.
Extension: Single storey · Rear of property
First floor rear extension
Catkins has more than doubled in price since the earliest registered sale in 1999.
£943,000
Modelled from EPC, postcode comparables and a sale-price growth of 8.6% per year over 13 years.
£585,000
Growth on file: 8.6% per year over 13 years.
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Price per m² for Catkins lags the street by a wide margin.
Price per m²
£2,191
Street avg £4,411
Floor Area
267 m²
Street avg 177 m²
Habitable Rooms
9 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
42.1dB

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Changes detected from historical EPC data
Loft insulation upgraded to recommended levels
Full planning data for Catkins, High Street, Croydon, Royston, SG8 0DR
Every application and decision on this property and nearby, in full, in the report.
13 March 2012Most recent
£585,000
+192.5%over 12 years24 March 1999
£200,000
Median price across the last 5 sales in SG8 0DR: £640,000 (2025–2013).
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Detailed EPC data
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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 7 rooms
CO₂ Emissions
13.0 t/year
Street avg 9.1 t/year
SG8 0JX
Night-time· 23:00 – 07:00
35.8dB