10 New Road is a three-bedroom semi-detached house in Guilden Morden, Royston, Royston (SG8 0JN). It has a recorded floor area of 69 m² (around 743 sq ft), construction records dating it to 1950-1966 and council tax band C. The latest certificate (April 2019) shows an F (score 37), near the bottom of the EPC scale. Earlier certificates rated it D (April 2013); the latest reading is 2 bands lower. Between certificates, wall efficiency dropped from Good to Average and roof efficiency dropped from Good to Very Poor. The recommended improvements would lift it to D (score 55), a 2-band jump. Main heating runs on lpg. Other recorded features include a conservatory.
Sale prices here have outpaced England HPI: 6.7% per year against 0% for the wider region. Today's modelled estimate of £392,000 is 20.6% above the 2019 sale price. On a £-per-square-foot basis, the last sale (£438/sq ft) was about 104.3% above the typical sold price in the postcode. At 69 m² it's 19.3% smaller than the typical home in the postcode (86 m² median across 24 EPCs). It lags the bulk of the postcode on energy efficiency (less efficient than 88% of similar EPCs). Sold August 2019 for £325,000. One historical planning record sits against the property in 2013.
Recommended upgrades on file would lift this property by multiple EPC bands.
Extension: Single storey · Rear of property
Rear single storey extension (application for prior approval)
Sale price has grown by over 3x since 1999.
£392,000
Modelled from EPC, postcode comparables and a sale-price growth of 6.7% per year over 20 years.
£325,000
Growth on file: 6.7% per year over 20 years.
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Floor Area for 10 New Road lags the street by a wide margin.
Price per m²
£4,710
Street avg £3,713
Floor Area
69 m²
Street avg 114 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
0.6 km

Daytime· 07:00 – 23:00
43.9dB

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Changes detected from historical EPC data
Changed to a more efficient fuel source
Heating controls upgraded for better temperature management
Hot water efficiency decreased
Low energy lighting percentage decreased
Full planning data for 10 New Road, Guilden Morden, Royston, SG8 0JN
Every application and decision on this property and nearby, in full, in the report.
21 August 2019Most recent
£325,000
+39.8%over 5 years30 September 2013
£232,500
+161.2%over 14 years23 July 1999
£89,000
Median price across the last 5 sales in SG8 0JN: £420,000 (2025–2021).
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
3.6 t/year
Street avg 4.2 t/year
SG8 0LP
Guilden Morden CofE Primary Academy. 2 schools nearby.
Night-time· 23:00 – 07:00
35.9dB