1 Clifden Close is a four-bedroom detached house in Arrington, Royston, Royston (SG8 0BA). It has a recorded floor area of 115 m² (around 1238 sq ft), construction records dating it to 1967-1975 and council tax band E. The latest certificate (October 2021) shows a C (score 70). When first surveyed in September 2009 the rating was F, the property has climbed 3 bands since. Between certificates, wall efficiency went from Poor to Average, roof efficiency went from Average to Good and hot-water efficiency went from Poor to Average. Main heating runs on electricity. The property has solar panels on record, all of which lower running costs and tend to lift resale appeal. Other recorded features include a conservatory.
Held since November 2000 — that's 26 years off the open market, well above the local norm. Sale prices here have outpaced England HPI: 14.5% per year against 0% for the wider region. Today's modelled estimate of £569,000 sits 242.8% above the 2000 sale of £166,000. On a £-per-square-foot basis, the last sale (£134/sq ft) was about 16.9% below the postcode norm. At 115 m² the property is well over the postcode median (59 m² across 17 EPCs), placing it in the larger end of the local stock. 2 planning records sit against the property, 2 approved, 0 refused. Past consents include an extension, a porch and a conservatory, meaningful when judging how the property has evolved.
1 Clifden Close's carbon output is low for the local stock.
Extension: Side and rear of property
Single storey rear extension to replace existing conservatory, Two storey side and front extension and front porch.
Sale price has at least doubled since 1995.
£569,000
Modelled from EPC, postcode comparables and a sale-price growth of 14.5% per year over 6 years.
£166,000
Growth on file: 14.5% per year over 6 years.
Everything we know about this property, compiled into one in-depth, downloadable report.
Detailed analysis
A written breakdown of everything that matters
1 Clifden Close outperforms the street on habitable rooms by a wide margin.
EPC Rating
70 (C)
Street avg 68 (D)
Floor Area
115 m²
Street avg 69 m²
CO₂ Emissions
1.5 t/year
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.

Daytime· 07:00 – 23:00
48.3dB

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

Changes detected from historical EPC data
Cavity wall insulation installed
More low energy lighting installed
Roof insulation improved
Heating controls changed
Hot water system upgraded
Low energy lighting percentage decreased
Heating controls upgraded for better temperature management
Cavity wall insulation installed
Roof insulation improved
More low energy lighting installed
Heat pump installed, significantly improving energy efficiency
Changed to a more efficient fuel source
Heating controls changed
Loft insulation upgraded to recommended levels
Solar PV panels (50 kWp) installed
Extension: Side and rear of property
Front porch, Single storey side and rear extension to replace existing conservatory.
Full planning data for 1 Clifden Close, Arrington, Royston, SG8 0BA
Every application and decision on this property and nearby, in full, in the report.
27 November 2000Most recent
£166,000
+93.0%over 5 years31 May 1995
£86,000
+14.7%18 January 1995
£75,000
Median price across the last 5 sales in SG8 0BA: £367,500 (2024–2006).
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 3.5 t/year
Habitable Rooms
6 rooms
Street avg 3 rooms
SG8 0JD
Night-time· 23:00 – 07:00
40.3dB