21 Carter Knowle Avenue, Sheffield, S11 9FT
About 21 Carter Knowle Avenue
21 Carter Knowle Avenue is a semi-detached house in Sheffield (S11 9FT). It has a recorded floor area of 161 m² (around 1733 sq ft), construction records dating it to 1950-1966 and council tax band C. The latest certificate (February 2023) shows a C (score 71).
Held since November 2002 — that's 24 years off the open market, well above the local norm. At 161 m² the property is well over the postcode median (92 m² across 24 EPCs), placing it in the larger end of the local stock. Its energy rating outperforms most of the postcode (better than 71% of similar EPCs). Across 1999–2002, sale prices on this property compounded at 20.1% per year. Today's modelled estimate of £490,000 sits 226.7% above the 2002 sale of £150,000. On a £-per-square-foot basis, the last sale (£87/sq ft) was about 57.2% below the postcode norm. One planning record on file: an extension approved in 2013. Past consents include an extension, meaningful when judging how the property has evolved.
Know exactly what you're buying at 21 Carter Knowle Avenue
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
Valuation
against the asking price
Risks
planning & flood
Sold prices
similar homes nearby
Trends
the local market
Energy performance
EPC Rating
Planning history
- Jun 2013ExtensionFullIn report
Extension: Side and rear of property
Demolition of existing garage and erection of two-storey side/rear extension to dwellinghouse (amended plans received 07/06/2013)
- Documents
- 11 docs on file
- Reference
- 13/01515/FUL
We flagged 1 thing worth checking at 21 Carter Knowle Avenue
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.
- Larger development activity nearby
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Sales history & valuation
21 Carter Knowle Avenue's modelled value sits at over four times its earliest registered sale price (1999).
£490,000
Modelled from EPC, postcode comparables and a sale-price growth of 20.1% per year over 3 years.
£150,000
Growth on file: 20.1% per year over 3 years.
Sales timeline
29 November 2002Most recent
£150,000
+76.5%over 3 years24 October 1999
£85,000
Median price across the last 5 sales in S11 9FT: £422,500 (2025–2020).
Nearby sales in S11 9FT
25 Carter Knowle Avenue, Sheffield, S11 9FT
Sold Nov 2025
£450,0009 Carter Knowle Avenue, Sheffield, S11 9FT
Sold Aug 2023
£422,50011 Carter Knowle Avenue, Sheffield, S11 9FT
Sold Apr 2023
£425,00031 Carter Knowle Avenue, Sheffield, S11 9FT
Sold Dec 2020
£336,50073 Carter Knowle Avenue, Sheffield, S11 9FT
Sold Oct 2019
£337,500
Everything we know about 21 Carter Knowle Avenue, in one report
What it's really worth, what could be wrong, and the planning, sales and area data in full.
What we flagged
- Larger development activity nearby
Versus other Carter Knowle Avenue homes
Floor Area for 21 Carter Knowle Avenue runs comfortably ahead of the street norm.
Price per m²
£932
Street avg £2,636
Floor Area
161 m²
Street avg 101 m²
Habitable Rooms
6 rooms
Street avg 6 rooms
CO₂ Emissions
4.6 t/year
Street avg 4.4 t/year
Similar properties nearby
The neighbourhood at a glance
Daytime road noise here sits well below conversation level — a quiet pocket of the postcode.
Crime
2/mo
Steady year-on-year across the wider district.
Nearest stop
0.1 km
Carter Knowle Road/Carter Knowle Avenue — bus stop.
Closest school
0.7 km
Mercia School. 34 schools nearby.
Go deeper on the local area
The full report breaks down crime, transport links, schools and air quality in depth.
Road noise across the postcode
Daytime· 07:00 – 23:00
50.0dB
Night-time· 23:00 – 07:00
39.2dB