140 High Street is a semi-detached house in Barkway, Royston, Royston (SG8 8EG). It has a recorded floor area of 291 m² (around 3132 sq ft), construction records dating it to 1930-1949 and council tax band F. The latest certificate (July 2012) shows an E (score 39), well below the UK norm with real room to improve. When first surveyed in July 2012 the rating was F, the property has climbed 1 band since. Between certificates, roof efficiency went from Very Poor to Good, hot-water efficiency went from Very Poor to Average and lighting went from Average to Very Good; while window efficiency dropped from Average to Very Poor. The recommended improvements would lift it to C (score 79), a 2-band jump. Main heating runs on oil. The latest certificate is from July 2012, so improvements made since then won't be reflected.
At 291 m² the property is well over the postcode median (106 m² across 13 EPCs), placing it in the larger end of the local stock. 10 planning records sit against the property, 3 approved, 1 refused.
Before you offer, see what the listing won't tell you, the true value, the red flags and the full history.
Already flagged here
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140 High Street's carbon output runs well above what efficient homes in the postcode produce.
This certificate is over 10 years old and is no longer valid.Expired 12 Jul 2022
Planning history includes recorded demolition works, indicating a major rebuild phase at this address.
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.
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140 High Street has no Land Registry sales on file, suggesting it has stayed in the same hands since registration began.
£980,000
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
On epc rating, 140 High Street runs well behind the street norm.
EPC Rating
39 (E)
Street avg 60 (D)
Floor Area
291 m²
Street avg 119 m²
CO₂ Emissions
20.0 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
43.0dB

Valuation
against the asking price
Risks
planning & flood
Sold prices
similar homes nearby
Trends
the local market
Changes detected from historical EPC data
Replaced storage heaters with gas boiler
Connected to mains gas supply
Heating controls upgraded for better temperature management
Hot water system upgraded
Wall insulation improved
Roof insulation improved
Low energy lighting percentage decreased
Fuel source changed
Heating controls changed
Hot water efficiency decreased
Loft insulation upgraded to recommended levels
More low energy lighting installed
Removal of one Horse Chestnut tree (T1) and one Beech tree (T2)Method of removal is to professionally dismantle them as felling isn't a safe option.
Condition 9: Prior to the commencement of the development hereby permitted full details of all hard and soft landscaping associated with this development proposal shall be submitted to and approved in writing by the Local Planning Authority. The approved details shall be implemented on site. The details shall include the following:
Median price across the last 5 sales in SG8 8EG: £525,000 (2025–2019).

Street avg 5.1 t/year
Habitable Rooms
10 rooms
Street avg 5 rooms
SG8 8BE
Townsend Close — bus stop.
Closest school
0.3 km
Barkway VA Church of England First School. 2 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
36.7dB