3 Cassander Close is a four-bedroom detached house in Fowlmere, Royston, Royston (SG8 7SF). It has a recorded floor area of 193 m² (around 2077 sq ft), construction records dating it to 2003-2006 and council tax band G. The latest certificate (January 2026) returns a high B (score 85), putting the home a stone's throw from an A rating. When first surveyed in August 2010 the rating was D, the property has climbed 2 bands since. Between certificates, hot-water efficiency went from Average to Good and lighting went from Poor to Good; while roof efficiency dropped from Very Good to Good and window efficiency dropped from Good to Average. Main heating runs on electricity. This certificate was lodged in the last six months, so the rating reflects current condition.
It hasn't traded since October 2010, a hold of 16 years that's notably long for the area. Sale prices here have outpaced England HPI: 0.9% per year against 0% for the wider region. Today's modelled estimate of £765,000 is 33% above the 2010 sale price. On energy efficiency it sits in the top 10% of properties in this postcode. 2 planning records sit against the property, 0 approved, 0 refused.
3 Cassander Close ranks among the most efficient homes in the postcode for energy use.
Planning history at 3 Cassander Close is exclusively tree-management applications — typical for a property with mature trees on or near the plot.
T.1 Maple - Fell because owner is concerned tree roots will damage building. Re plant with Maple for replacement
3 Cassander Close valuation sits well clear of the typical sold price in this postcode.
£765,000
Modelled from EPC, postcode comparables and a sale-price growth of 0.9% per year over 5 years.
£575,000
Growth on file: 0.9% per year over 5 years.
Everything we know about this property, compiled into one in-depth, downloadable report.
Detailed analysis
A written breakdown of everything that matters
On price per m², 3 Cassander Close runs well behind the street norm.
Price per m²
£2,979
Street avg £4,211
Floor Area
193 m²
Street avg 162 m²
Habitable Rooms
8 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
0.2 km

Daytime· 07:00 – 23:00
45.1dB

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Changes detected from historical EPC data
Heating controls changed
Heat pump installed, significantly improving energy efficiency
Changed to a more efficient fuel source
Heating controls upgraded for better temperature management
Hot water efficiency improved
More low energy lighting installed
T.1 Maple - Fell because owner is concerned tree roots will damage building. Re plant with Maple for replacement
Full planning data for 3 Cassander Close, Fowlmere, Royston, SG8 7SF
Every application and decision on this property and nearby, in full, in the report.
27 October 2010Most recent
£575,000
+4.5%over 4 years8 December 2005
£550,000
Median price across the last 5 sales in SG8 7SF: £795,000 (2022–2014).
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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Street avg 8 rooms
CO₂ Emissions
0.8 t/year
Street avg 5.1 t/year
SG8 7XP
Fowlmere Primary School. 3 schools nearby.
Night-time· 23:00 – 07:00
37.5dB