23 Cornwall Road, St Albans, AL1 1SQ
About 23 Cornwall Road
23 Cornwall Road is a three-bedroom semi-detached house in St Albans (AL1 1SQ). It has a recorded floor area of 88 m² (around 947 sq ft), construction records dating it to 1900-1929 and council tax band E. The latest certificate (April 2017) shows an E (score 52), well below the UK norm with real room to improve. The rating has held steady at E across 2 certificates since November 2015. Between certificates, roof efficiency went from Poor to Good and lighting went from Very Poor to Poor. The recommended improvements would lift it to B (score 82), a 3-band jump. Our model identifies extension potential, subject to local planning policy.
Today's modelled estimate of £766,000 is 22% above the 2017 sale price. On a £-per-square-foot basis, the last sale (£663/sq ft) was about 35.1% above the typical sold price in the postcode. On the market in August 2017 and unlisted since — roughly 9 years. One historical planning record sits against the property in 2017.
What this property has
Inside
- Bedrooms3
- Open-plan layoutYes
- Dining roomYes
Outside
- Private gardenSouth-facing
Building
- Extension potentialPossible
Everything you need to know about 23 Cornwall Road
The true value, the hidden risks and the full sale history, in one report.
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Energy performance
Recommended upgrades on file would lift this property by multiple EPC bands.
EPC Rating
Property Improvements
Changes detected from historical EPC data
Heating controls upgraded for better temperature management
Windows upgraded, improving insulation
Loft insulation upgraded to recommended levels
Get a survey for this property
Level 3 Building Survey
Because the property was built before 1919 and has solid (non-cavity) walls, we believe a Level 3 building survey should be considered.
From £1,220 · Includes VAT
Planning history
Planning history includes recorded demolition works, indicating a major rebuild phase at this address.
1 application on record at 23 Cornwall Road, St Albans, AL1 1SQ
- Nov 2017DemolitionFullOutcome in report
Extension: Single storey · Rear of property
Single storey rear extension with a rooflight and alterations to openings following demolition of existing rear extension
Extension- Documents
- 8 docs on file
- Reference
- 5/2017/2891
Unlock 23 Cornwall Road, St Albans, AL1 1SQ's full planning history
You're seeing the shape of it. The report has the substance.
- Every decision — granted, refused or withdrawn (1 on record)
- All 1 application on this property in full, plus 5 notable nearby
- The 8 documents, officer reports & conditions
- What the pattern means for extending or converting here
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Sales history & valuation
23 Cornwall Road valuation sits well clear of the typical sold price in this postcode.
£766,000
Modelled from EPC, postcode comparables.
£628,000
Recorded with HM Land Registry.
Sales timeline
10 August 2017Most recent
£628,000
Median price across the last 5 sales in AL1 1SQ: £755,000 (2024–2022).
Nearby sales in AL1 1SQ
Versus other Cornwall Road homes
Price per m² for 23 Cornwall Road lags the street by a wide margin.
Price per m²
£7,136
Street avg £7,635
Floor Area
88 m²
Street avg 88 m²
Habitable Rooms
5 rooms
Street avg 5 rooms
CO₂ Emissions
5.1 t/year
Street avg 4.8 t/year
Everything you need to know about 23 Cornwall Road
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

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The neighbourhood at a glance
Rail-style transport is unusually close for this postcode.
Crime
5/mo
Steady year-on-year across the wider district.
Nearest stop
0.2 km
Grosvenor Road — bus stop.
Closest school
0.4 km
St Peter's School. 32 schools nearby.
Go deeper on the local area
A Local Area report breaks down crime, transport links, schools and air quality in depth.









