1 The Fillance is a three-bedroom semi-detached house in Bassingbourn, Royston, Royston (SG8 5PN). It has a recorded floor area of 58 m² (around 624 sq ft), construction records dating it to 1950-1966 and council tax band C. The latest certificate (October 2015) shows a D (score 59), a step below the typical UK home. When first surveyed in September 2012 the rating was E, the property has climbed 1 band since. Between certificates, wall efficiency went from Very Poor to Good, roof efficiency went from Good to Very Good and window efficiency went from Average to Good; while hot-water efficiency dropped from Average to Poor and main heating dropped from Average to Poor. The recommended improvements would lift it to B (score 89), a 2-band jump. Main heating runs on oil. The latest certificate is from October 2015, so improvements made since then won't be reflected. Other recorded features include notable views. Our model identifies extension potential, subject to local planning policy. The home occupies a cul-de-sac position.
Sale prices here have outpaced England HPI: 11.2% per year against 0% for the wider region. Today's modelled estimate of £383,000 is 27.7% above the 2017 sale price. On a £-per-square-foot basis, the last sale (£481/sq ft) was about 160.8% above the typical sold price in the postcode. 2 planning records sit against the property, 2 approved, 0 refused. Past consents include an extension and a porch, meaningful when judging how the property has evolved. On the market in May 2017 and unlisted since — roughly 9 years. At 58 m² it's 29.3% smaller than the typical home in the postcode (82 m² median across 37 EPCs).
Recommended upgrades on file would lift this property by multiple EPC bands.
This certificate is over 10 years old and is no longer valid.Expired 28 Oct 2025
Multiple extension applications run across more than a decade of planning history at 1 The Fillance.
Enlargement of front porch.
1 The Fillance valuation sits well clear of the typical sold price in this postcode.
£383,000
Modelled from EPC, postcode comparables and a sale-price growth of 11.2% per year over 4 years.
£300,000
Growth on file: 11.2% per year over 4 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, 1 The Fillance stands well clear of the street.
Price per m²
£5,172
Street avg £2,476
Floor Area
58 m²
Street avg 85 m²
Habitable Rooms
6 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
0.7 km

Daytime· 07:00 – 23:00
43.1dB

Launch offer
Secure checkout · One-off payment
30-day money-back guarantee

Changes detected from historical EPC data
Heating controls upgraded for better temperature management
Hot water efficiency decreased
Window efficiency improved
Wall insulation improved
Roof insulation improved
More low energy lighting installed
Extension: Single storey · Rear of property
Ground floor rear extension
Full planning data for 1 The Fillance, Bassingbourn, Royston, SG8 5PN
Every application and decision on this property and nearby, in full, in the report.
26 May 2017Most recent
£300,000
+50.0%over 3 years1 August 2013
£200,000
Median price across the last 5 sales in SG8 5PN: £310,000 (2024–2019).
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
Ad-free · Secure Stripe checkout · One-off payment
30-day money-back guarantee

Street avg 5 rooms
CO₂ Emissions
3.6 t/year
Street avg 4.4 t/year
SG8 5PT
Bassingbourn Primary School. 2 schools nearby.
Night-time· 23:00 – 07:00
35.9dB