20b is a two-bedroom semi-detached house in Fowlmere, Royston, Royston (SG8 7RX). It has a recorded floor area of 58 m² (around 624 sq ft), construction records dating it to 1983-1990 and council tax band C. The latest certificate (June 2019) shows an E (score 53), well below the UK norm with real room to improve. The rating has held steady at E across 2 certificates since March 2009. Between certificates, roof efficiency went from Average to Good, hot-water efficiency went from Very Poor to Average and lighting went from Average to Good. The recommended improvements would lift it to C (score 77), a 2-band jump. Main heating runs on electricity.
Sale prices here have outpaced England HPI: 5.2% per year against 0% for the wider region. Today's modelled estimate of £311,000 is 24.4% above the 2020 sale price. On a £-per-square-foot basis, the last sale (£400/sq ft) was about 110.9% above the typical sold price in the postcode. At 58 m² it's 28.4% smaller than the typical home in the postcode (81 m² median across 14 EPCs). It lags the bulk of the postcode on energy efficiency (less efficient than 86% of similar EPCs). Most recent transfer: February 2020 at £250,000.
Recommended upgrades on file would lift this property by multiple EPC bands.
No planning applications are recorded against 20b, Pipers Close, Fowlmere, Royston, SG8 7RX. The full report also covers planning activity across the surrounding area.
Full planning data for 20b, Pipers Close, Fowlmere, Royston, SG8 7RX
Every application and decision on this property and nearby, in full, in the report.
Sale price has at least doubled since 2001.
£311,000
Modelled from EPC, postcode comparables and a sale-price growth of 5.2% per year over 19 years.
£250,000
Growth on file: 5.2% per year over 19 years.
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Detailed analysis
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On price per m², 20b stands well clear of the street.
Price per m²
£4,310
Street avg £2,875
Floor Area
58 m²
Street avg 92 m²
Habitable Rooms
3 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
0.6 km

Daytime· 07:00 – 23:00
45.6dB

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Changes detected from historical EPC data
Heating controls upgraded for better temperature management
Hot water efficiency improved
Loft insulation upgraded to recommended levels
More low energy lighting installed
6 February 2020Most recent
£250,000
+58.7%over 10 years5 February 2010
£157,500
+60.7%over 8 years12 July 2001
£98,000
Median price across the last 5 sales in SG8 7RX: £350,000 (2025–2016).
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
5.5 t/year
Street avg 5.2 t/year
SG8 7DS
Fowlmere Primary School. 2 schools nearby.
Night-time· 23:00 – 07:00
37.8dB