6 Cavendish Square is a two-bedroom mid-terrace house in Marsh Lane, Sheffield, Sheffield (S21 5RZ). It has a recorded floor area of 88 m² (around 947 sq ft), construction records dating it to before 1900 and council tax band B. Tenure is freehold. It is a listed building, which means external alterations are tightly controlled but it may qualify for heritage tax reliefs. Period features are noted in the property record. Records show the property has been extended at some point in its history. The latest certificate (July 2025) shows an E (score 43), well below the UK norm with real room to improve. The rating has held steady at E across 2 certificates since June 2025. The recommended improvements would push it to D (score 63). Main heating runs on dual fuel.
2 planning records sit against the property, 2 approved, 0 refused. Past consents include an extension, meaningful when judging how the property has evolved. The record references conservation-area consent, which constrain future alterations.
6 Cavendish Square has an approved single-storey rear extension on the planning record.
Extension: Single storey · Rear of property
Construction of a single-storey extension to rear (Conservation Area)
6 Cavendish Square has no Land Registry sales on file, suggesting it has stayed in the same hands since registration began.
£211,000
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.
Everything we know about this property, compiled into one in-depth, downloadable report.
Detailed analysis
A written breakdown of everything that matters
CO₂ Emissions for 6 Cavendish Square runs comfortably ahead of the street norm.
EPC Rating
43 (E)
Street avg 38 (F)
Floor Area
88 m²
Street avg 79 m²
CO₂ Emissions
2.4 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
0.1 km

Daytime· 07:00 – 23:00
45.9dB

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Changes detected from historical EPC data
Upgraded to gas central heating
Heating controls changed
Construction of a garage (Conservation Area)
Full planning data for 6 Cavendish Square, West Handley, Marsh Lane, Sheffield, S21 5RZ
Every application and decision on this property and nearby, in full, in the report.
Median price across the last 5 sales in S21 5RZ: £280,000 (2024–2021).
4 Cavendish Square West Handley Marsh Lane Sheffield
Sold Jan 2024
Greystock House West Handley Marsh Lane Sheffield
Sold Mar 2023
Coirelagan West Handley Marsh Lane Sheffield
Sold Jun 2022
Wayside Cottage West Handley Marsh Lane Sheffield
Sold Mar 2021
1 Cavendish Square West Handley Marsh Lane Sheffield
Sold Apr 2020
Detailed EPC data
Full energy ratings, history and recommendations
Full planning history
Every application and decision on record
Comparable sales data
Plus transport, crime, schools and air quality
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Habitable Rooms
4 rooms
Street avg 4 rooms
S21 5RZ
Cavendish Square — bus stop.
Closest school
1.7 km
Marsh Lane Primary School. 9 schools nearby.
Night-time· 23:00 – 07:00
36.8dB