23 Castlefields Avenue, Charlton Kings, Cheltenham, GL52 6YR
About 23 Castlefields Avenue
23 Castlefields Avenue is a three-bedroom semi-detached house in Charlton Kings, Cheltenham, Cheltenham (GL52 6YR). It has a recorded floor area of 85 m² (around 915 sq ft), construction records dating it to 1967-1975 and council tax band C. The latest certificate (January 2015) shows an E (score 41), well below the UK norm with real room to improve. The rating has held steady at E across 2 certificates since November 2014. Between certificates, window efficiency dropped from Average to Very Poor and hot-water efficiency dropped from Good to Average. The recommended improvements would lift it to B (score 85), a 3-band jump. The latest certificate is from January 2015, so improvements made since then won't be reflected. Other recorded features include a conservatory.
Across 1996–2015, sale prices on this property compounded at 7.4% per year. Today's modelled estimate of £346,000 sits 50.4% above the 2015 sale of £230,000. One planning record on file: an extension approved in 2026. Past consents include an extension, meaningful when judging how the property has evolved. It lags the bulk of the postcode on energy efficiency (less efficient than 86% of similar EPCs). On the market in January 2015 and unlisted since — roughly 12 years.
What this property has
Inside
- Bedrooms3
- Dining roomYes
- ConservatoryYes
Outside
- Private gardenRear
- DrivewayYes
Energy performance
23 Castlefields Avenue's carbon output runs well above what efficient homes in the postcode produce.
EPC Expired
This certificate is over 10 years old and is no longer valid.Expired 24 Jan 2025
EPC Rating
Certificate validity
Expired on 24 January 2025
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Planning history
23 Castlefields Avenue has an approved side and rear extension on the planning record.
1 application on record at 23 Castlefields Avenue, Charlton Kings, Cheltenham, GL52 6YR
- Mar 2026ExtensionFullOutcome in report
Extension: Side and rear of property
Two storey side and single storey rear extensions.
- Documents
- 14 docs on file
- Reference
- 26/00360/FUL
Unlock 23 Castlefields Avenue, Charlton Kings, Cheltenham, GL52 6YR's full planning history
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- Every decision — granted, refused or withdrawn (1 on record)
- All 1 application on this property in full, plus 1 notable nearby
- The 14 documents, officer reports & conditions
- What the pattern means for extending or converting here
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Sales history & valuation
23 Castlefields Avenue has more than tripled in price since its earliest registered sale in 1996.
£346,000
Modelled from EPC, postcode comparables and a sale-price growth of 7.4% per year over 18 years.
£230,000
Growth on file: 7.4% per year over 18 years.
Sales timeline
16 January 2015Most recent
£230,000
+265.1%over 18 years19 December 1996
£63,000
Median price across the last 5 sales in GL52 6YR: £408,000 (2026–2025).
Nearby sales in GL52 6YR
30 Castlefields Avenue, Charlton Kings, Cheltenham, GL52 6YR
Sold Apr 2026
£350,00011 Castlefields Avenue, Charlton Kings, Cheltenham, GL52 6YR
Sold Mar 2026
£405,00032 Castlefields Avenue, Charlton Kings, Cheltenham, GL52 6YR
Sold Nov 2025
£550,00015 Castlefields Avenue, Charlton Kings, Cheltenham, GL52 6YR
Sold Nov 2025
£460,00021 Castlefields Avenue, Charlton Kings, Cheltenham, GL52 6YR
Sold Aug 2025
£408,000
Versus other Castlefields Avenue homes
EPC Rating for 23 Castlefields Avenue lags the street by a wide margin.
Price per m²
£2,706
Street avg £3,335
Floor Area
85 m²
Street avg 96 m²
Habitable Rooms
4 rooms
Street avg 5 rooms
CO₂ Emissions
6.6 t/year
Street avg 4.2 t/year
Similar properties nearby
1 Castlefields Avenue, Charlton Kings
GL52 6YR
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1 Coltham Fields
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1 Coltham Close
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1 Battledown Close
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1 Battledown Cottages, Harp Hill, Charlton Kings
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The neighbourhood at a glance
Reported crime in the wider district is trending notably upward year-on-year.
Crime
218/mo
Rising year-on-year across the wider district.
Nearest stop
0.1 km
Castlefields Road — bus stop.
Closest school
0.3 km
Glenfall Community Primary School. 12 schools nearby.
Go deeper on the local area
A Local Area report breaks down crime, transport links, schools and air quality in depth.
Road noise across the postcode

Daytime· 07:00 – 23:00
48.3dB

Night-time· 23:00 – 07:00
39.3dB







