11 Cheyney Street is a four-bedroom detached house in Steeple Morden, Royston, Royston (SG8 0LP). It has a recorded floor area of 137 m² (around 1475 sq ft), construction records dating it to before 1900 and council tax band F. It is a listed building, which means external alterations are tightly controlled but it may qualify for heritage tax reliefs. Other recorded features include outbuildings. Period features are noted in the property record. Our model identifies extension potential, subject to local planning policy. The latest certificate (October 2022) shows an F (score 33), near the bottom of the EPC scale. The recommended improvements would lift it to B (score 81), a 4-band jump. Main heating runs on oil.
Sale prices here have outpaced England HPI: 5.4% per year against 0% for the wider region. On a £-per-square-foot basis, the last sale (£448/sq ft) was about 90.7% above the typical sold price in the postcode. 6 planning records sit against the property, 5 approved, 1 refused. Past consents include an extension and tree works, meaningful when judging how the property has evolved. It lags the bulk of the postcode on energy efficiency (less efficient than 75% of similar EPCs). Sold May 2022 for £660,000. 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
Launch offer · save £5
11 Cheyney Street's carbon output runs well above what efficient homes in the postcode produce.
A recent planning application at 11 Cheyney Street was refused — worth checking the council file.
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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11 Cheyney Street has more than tripled in price since its earliest registered sale in 1998.
£677,000
Modelled from EPC, postcode comparables and a sale-price growth of 5.4% per year over 24 years.
£660,000
Growth on file: 5.4% per year over 24 years.
What it's really worth, what could be wrong, and the planning, sales and area data in full.
What we flagged
11 Cheyney Street is notably below the street on epc rating.
Price per m²
£4,818
Street avg £3,437
Floor Area
137 m²
Street avg 160 m²
Habitable Rooms
7 rooms
Street avg 7 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.
Closest school
0.1 km

Daytime· 07:00 – 23:00
43.1dB

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 ground floor rear extension and re-rendering the existing dwelling.
Extension: Single storey · Rear of property
Single storey ground floor rear extension and re-rendering the existing dwelling.
31 May 2022Most recent
£660,000
+91.3%over 20 years20 July 2001
£345,000
+81.6%over 2 years8 September 1998
£190,000
Median price across the last 5 sales in SG8 0LP: £367,500 (2025–2016).
12 Cheyney Street Steeple Morden Royston
Sold Nov 2025
2a Cheyney Street Steeple Morden Royston
Sold Apr 2024
17 Cheyney Street Steeple Morden Royston
Sold Sept 2021
1 Cheyney Street Steeple Morden Royston
Sold Oct 2016
21b Cheyney Street Steeple Morden Royston
Sold Feb 2014

CO₂ Emissions
10.0 t/year
Street avg 8.0 t/year
SG8 0BA
Steeple Morden CofE VC Primary 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
35.7dB