9 Periwinkle Close is a mid-terrace house in Barkway, Royston, Royston (SG8 8DB). It has a recorded floor area of 64 m² (around 689 sq ft), construction records dating it to 1967-1975 and council tax band C. The latest certificate (November 2025) shows a C (score 70). Earlier certificates rated it B (June 2013); the latest reading is one band lower. Between certificates, roof efficiency went from Average to Good; while lighting dropped from Very Good to Good. Main heating runs on electricity. This certificate was lodged in the last six months, so the rating reflects current condition.
Before you offer, see what the listing won't tell you, the true value, the red flags and the full history.
Already flagged here
Launch offer · save £5
9 Periwinkle Close's carbon output is low for the local stock.
9 Periwinkle Close has no planning applications on record.
Notable planning nearby
1applications of note in the surrounding area
Independent checks surfaced things a buyer would want to understand before offering. The report explains each one in full, with the underlying data and what to ask.
30-day money-back guarantee
9 Periwinkle Close has no Land Registry sales on file, suggesting it has stayed in the same hands since registration began.
£303,000
Modelled from EPC, postcode comparables.
That can mean the property has never traded since the registry began publishing in 1995, was a new build that hasn't been registered yet, or is held in the same hands long-term.
What it's really worth, what could be wrong, and the planning, sales and area data in full.
What we flagged
EPC Rating for 9 Periwinkle Close lags the street by a wide margin.
EPC Rating
70 (C)
Street avg 79 (C)
Floor Area
64 m²
Street avg 69 m²
CO₂ Emissions
0.6 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.
Nearest stop
0.1 km

Daytime· 07:00 – 23:00
43.7dB

Valuation
against the asking price
Risks
planning & flood
Sold prices
similar homes nearby
Trends
the local market
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 efficiency decreased
Window efficiency improved
Loft insulation upgraded to recommended levels
Heating controls upgraded for better temperature management
Hot water efficiency improved
More low energy lighting installed
Solar PV panels (35 kWp) installed
Median price across the last 5 sales in SG8 8DB: £245,000 (2019–1998).

Street avg 1.2 t/year
Habitable Rooms
4 rooms
Street avg 4 rooms
Windmill Close — bus stop.
Closest school
0.5 km
Barkway VA Church of England First School. 3 schools nearby.
Go deeper on the local area
The full report breaks down crime, transport links, schools and air quality in depth.
Night-time· 23:00 – 07:00
36.8dB