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 £289,000 sits 173.9% above the 2001 sale of £105,500. On a £-per-square-foot basis, the last sale (£93/sq ft) was about 55% below the postcode norm. At 106 m² it's 20.3% larger than the typical home in the postcode (88 m² median across 26 EPCs). It lags the bulk of the postcode on energy efficiency (less efficient than 81% 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This certificate is over 10 years old and is no longer valid.Expired 31 Dec 2018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
Certificate validity
Expired on 31 December 2018
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 £885 · 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.
£289,000
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: £320,000 (2026–2023).
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 £3,164
Floor Area
106 m²
Street avg 89 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 · from £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
284/mo
Falling 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