21 Alstone Avenue, Cheltenham, GL51 8EH
About 21 Alstone Avenue
21 Alstone Avenue is a mid-terrace house in Cheltenham (GL51 8EH). It has a recorded floor area of 106 m² (around 1139 sq ft), construction records dating it to 1900-1929 and council tax band C. The latest certificate (December 2008) shows an E (score 51), well below the UK norm with real room to improve. The recommended improvements would push it to D (score 62). The latest certificate is from December 2008, so improvements made since then won't be reflected.
It hasn't traded since November 2001, a hold of 25 years that's notably long for the area. Today's modelled estimate of £304,000 sits 188.2% above the 2001 sale of £105,500. On a £-per-square-foot basis, the last sale (£93/sq ft) was about 53.7% below the postcode norm. At 106 m² it's 20.3% larger than the typical home in the postcode (88 m² median across 25 EPCs). It lags the bulk of the postcode on energy efficiency (less efficient than 80% of similar EPCs).
Everything you need to know about 21 Alstone Avenue
The true value, the hidden risks and the full sale history, in one report.
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Energy performance
21 Alstone Avenue's EPC is over a decade old — improvements since won't be reflected.
EPC Expired
This certificate is over 10 years old and is no longer valid.Expired 31 Dec 2018
EPC Rating
Get a survey for this property
Level 3 Building Survey
Because the property was built before 1919, has been extended more than once, and has solid (non-cavity) walls, we believe a Level 3 building survey should be considered.
From £955 · Includes VAT
Planning history
21 Alstone Avenue has no planning applications on record.
But the area is active
4 notable applications nearby — larger schemes and conversions that could reshape the street. The report maps them all.
Sales history & valuation
21 Alstone Avenue valuation sits well clear of the typical sold price in this postcode.
£304,000
Modelled from EPC, postcode comparables.
£105,500
Recorded with HM Land Registry.
Sales timeline
9 November 2001Most recent
£105,500
Median price across the last 5 sales in GL51 8EH: £330,000 (2025–2023).
Nearby sales in GL51 8EH
Versus other Alstone Avenue homes
On price per m², 21 Alstone Avenue runs well behind the street norm.
Price per m²
£997
Street avg £3,039
Floor Area
106 m²
Street avg 88 m²
Habitable Rooms
5 rooms
Street avg 5 rooms
CO₂ Emissions
5.4 t/year
Street avg 3.8 t/year
Everything you need to know about 21 Alstone Avenue
The true value, the hidden risks and the full sale history, in one report.
Pick your report · every report is £14.99
One time fee only - money back guarantee
The data behind every report
Similar properties nearby
The neighbourhood at a glance
Rail-style transport is unusually close for this postcode.
Crime
4/mo
Rising year-on-year across the wider district.
Nearest stop
0.1 km
Alstone Avenue & Ta Centre — bus stop.
Closest school
0.2 km
Gloucester Road Primary School. 27 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
49.5dB
Night-time· 23:00 – 07:00
39.6dB