68 Heydon Road is a five-bedroom detached house in Great Chishill, Royston, Royston (SG8 8SR). It has a recorded floor area of 200 m² (around 2153 sq ft), construction records dating it to 1991-1995 and council tax band G. The latest certificate (April 2017) shows a D (score 56), a step below the typical UK home. The recommended improvements would lift it to B (score 84), a 2-band jump. Main heating runs on oil. Our model identifies extension potential, subject to local planning policy.
Sale prices here have outpaced England HPI: 2.8% per year against 0% for the wider region. On a £-per-square-foot basis, the last sale (£321/sq ft) was about 20.1% above the typical sold price in the postcode. At 200 m² the property is well over the postcode median (124 m² across 22 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 and partial demolition, meaningful when judging how the property has evolved. Most recent transfer: June 2021 at £690,000. That sale was during the post-pandemic price surge, when transactions cleared materially above pre-2020 trend.
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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68 Heydon Road's carbon output runs well above what efficient homes in the postcode produce.
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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The latest sale landed in the post-pandemic price surge — useful context when reading the figure.
£756,000
Modelled from EPC, postcode comparables and a sale-price growth of 2.8% per year over 17 years.
£690,000
Growth on file: 2.8% per year over 17 years.
What it's really worth, what could be wrong, and the planning, sales and area data in full.
What we flagged
Habitable Rooms for 68 Heydon Road runs comfortably ahead of the street norm.
Price per m²
£3,450
Street avg £3,529
Floor Area
200 m²
Street avg 133 m²
Habitable Rooms
9 rooms
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
1.9 km

Daytime· 07:00 – 23:00
44.3dB

Valuation
against the asking price
Risks
planning & flood
Sold prices
similar homes nearby
Trends
the local market
Extension: Single storey · Rear of property
Single storey rear extension and roof enlargement to include rear and side dormers
Extension: Single storey · Rear of property
Demolition of existing side element, replacement side access, 1.5 storey rear extension, replacement render and windows, and removal of chimney and installation of 2no. chimneys
22 June 2021Most recent
£690,000
+14.0%over 3 years14 August 2017
£605,000
+40.7%over 13 years18 June 2004
£430,000
Median price across the last 5 sales in SG8 8SR: £730,000 (2025–2021).

Street avg 6 rooms
CO₂ Emissions
9.3 t/year
Street avg 5.9 t/year
SG8 8HN
School — bus stop.
Closest school
1.9 km
Chrishall Holy Trinity and St Nicholas CofE (Aided) Primary School and Pre-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
37.1dB