7 St Marys Walk is a semi-detached house in Fowlmere, Royston, Royston (SG8 7TS). It has a recorded floor area of 79 m² (around 850 sq ft), construction records dating it to 1976-1982 and council tax band D. The latest certificate (September 2020) shows a D (score 64), on the cusp of jumping into the C band. When first surveyed in February 2020 the rating was E, the property has climbed 1 band since. Between certificates, wall efficiency went from Average to Good, roof efficiency went from Average to Good and window efficiency went from Very Poor to Good. The recommended improvements would lift it to B (score 86), a 2-band jump. Main heating runs on electricity.
Sale prices here have outpaced England HPI: 73.3% per year against 0% for the wider region. Today's modelled estimate of £377,000 is 35.1% above the 2020 sale price. At 79 m² it's 24% smaller than the typical home in the postcode (104 m² median across 6 EPCs). Last sale on file: £279,000 in March 2020.
Recommended upgrades on file would lift this property by multiple EPC bands.
No planning applications are recorded against 7 St Marys Walk, Fowlmere, Royston, SG8 7TS. The full report also covers planning activity across the surrounding area.
Full planning data for 7 St Marys Walk, Fowlmere, Royston, SG8 7TS
Every application and decision on this property and nearby, in full, in the report.
7 St Marys Walk changed hands twice within eighteen months — unusual for the area.
£377,000
Modelled from EPC, postcode comparables and a sale-price growth of 73.3% per year over 1 year.
£279,000
Growth on file: 73.3% per year over 1 year.
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Detailed analysis
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On epc rating, 7 St Marys Walk stands well clear of the street.
Price per m²
£3,532
Street avg £3,530
Floor Area
79 m²
Street avg 103 m²
Habitable Rooms
4 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
0.4 km

Daytime· 07:00 – 23:00
45.5dB

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Changes detected from historical EPC data
Heat pump installed, significantly improving energy efficiency
Changed to a more efficient fuel source
Heating controls changed
Hot water system upgraded
Single glazing replaced with double or better glazing
Wall insulation upgraded
Loft insulation upgraded to recommended levels
More low energy lighting installed
11 March 2020Most recent
£279,000
+73.3%10 January 2020
£161,000
Median price across the last 5 sales in SG8 7TS: £352,000 (2024–2014).
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 5 rooms
CO₂ Emissions
2.9 t/year
Street avg 6.3 t/year
SG8 7SL
Fowlmere Primary School. 3 schools nearby.
Flood risk
Medium
From the Environment Agency.
Night-time· 23:00 – 07:00
37.7dB