15a is a semi-detached house in Heydon, Royston, Royston (SG8 8PW). It has a recorded floor area of 104 m² (around 1119 sq ft) and construction records dating it to 1996-2002. The latest certificate (June 2018) shows a D (score 57), a step below the typical UK home. When first surveyed in November 2009 the rating was F, the property has climbed 2 bands since. Between certificates, hot-water efficiency went from Very Poor to Poor and lighting went from Average to Very Good. The recommended improvements would push it to C (score 71). Main heating runs on lpg.
At 104 m² it sits well below the postcode median (153 m² across 6 EPCs), making it one of the more compact homes locally.
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
15a 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.
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15a has no Land Registry sales on file, suggesting it has stayed in the same hands since registration began.
£498,000
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 habitable rooms, 15a runs well behind the street norm.
EPC Rating
57 (D)
Street avg 66 (D)
Floor Area
104 m²
Street avg 208 m²
CO₂ Emissions
3.1 t/year
Street avg 7.2 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
1.4 km

Daytime· 07:00 – 23:00
42.0dB

Valuation
against the asking price
Risks
planning & flood
Sold prices
similar homes nearby
Trends
the local market
Changes detected from historical EPC data
Hot water system upgraded
Floor insulation added or improved
More low energy lighting installed
Median price across the last 5 sales in SG8 8PW: £462,655 (2021–2007).

Habitable Rooms
4 rooms
Street avg 8 rooms
SG8 8AP
School — bus stop.
Closest school
1.4 km
Chrishall Holy Trinity and St Nicholas CofE (Aided) Primary School and Pre-School. 1 school 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
35.7dB