11a is a detached house in Bassingbourn, Royston, Royston (SG8 5NE). It has a recorded floor area of 43 m² (around 463 sq ft), construction records dating it to 1950-1966 and council tax band A. The latest certificate (April 2025) shows an E (score 40), well below the UK norm with real room to improve. Earlier certificates rated it D (April 2025); the latest reading is one band lower. Between certificates, wall efficiency went from Very Poor to Average, roof efficiency went from Very Poor to Good and window efficiency went from Average to Good; while hot-water efficiency dropped from Average to Poor and lighting dropped from Very Good to Average. The recommended improvements would push it to D (score 60). Main heating runs on electricity.
At 43 m² it sits well below the postcode median (153 m² across 15 EPCs), making it one of the more compact homes locally. 2 planning records sit against the property, 1 approved, 1 refused. Past consents include change of use to residential, meaningful when judging how the property has evolved.
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
A change of use to residential application was refused at 11a in 2022.
Change of use of building and land from Class E (commercial, business and service) to 1 No. dwellinghouse (Class C3) together with associated works and infrastructure.
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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11a has no Land Registry sales on file, suggesting it has stayed in the same hands since registration began.
£164,000
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
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
2.7 km

Daytime· 07:00 – 23:00
44.6dB

Valuation
against the asking price
Risks
planning & flood
Sold prices
similar homes nearby
Trends
the local market
Changes detected from historical EPC data
Heating system changed
Changed to a more efficient fuel source
Heating controls changed
Hot water system changed
Window efficiency improved
Wall insulation improved
Roof insulation improved
Low energy lighting percentage decreased
Change of Use to residential use (Class C3) from Beauty Studio (Class E)
Median price across the last 5 sales in SG8 5NE: £525,000 (2025–2021).

SG8 5XD
Tesco — bus stop.
Closest school
0.4 km
Bassingbourn Village College. 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
36.5dB