9 St Stephens Avenue, St Albans, AL3 4AA
About 9 St Stephens Avenue
9 St Stephens Avenue is a five-bedroom detached house in St Albans (AL3 4AA). It has a recorded floor area of 232 m² (around 2497 sq ft), construction records dating it to 1900-1929 and council tax band G. The latest certificate (November 2024) shows a D (score 56), a step below the typical UK home. When first surveyed in August 2009 the rating was E, the property has climbed 1 band since. Between certificates, window efficiency went from Average to Good and lighting went from Very Poor to Very Good; while roof efficiency dropped from Good to Very Poor. The recommended improvements would push it to C (score 78). Records show the property has been extended at some point in its history.
Across 2001–2014, sale prices on this property compounded at 5.8% per year. Today's modelled estimate of £1,598,000 sits 52.2% above the 2014 sale of £1,050,000. On a £-per-square-foot basis, the last sale (£420/sq ft) was about 25.9% above the typical sold price in the postcode. At 232 m² it's 25.4% larger than the typical home in the postcode (185 m² median across 15 EPCs). 12 years since the last transfer (September 2014). One historical planning record sits against the property in 2001.
What this property has
Inside
- Bedrooms5
- Bathrooms4
- EnsuiteYes
Outside
- Private gardenSouth-facing
- DrivewayYes
Building
- Previously extendedYes
Energy performance
9 St Stephens Avenue's carbon output runs well above what efficient homes in the postcode produce.
EPC Rating
Property Improvements
Changes detected from historical EPC data
Windows upgraded, improving insulation
More low energy lighting installed
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 £1,795 · Includes VAT
Planning history
1 application on record at 9 St Stephens Avenue, St Albans, AL3 4AA
- Oct 2001Loft ConversionFullOutcome in report
Extension: Single storey · Rear of property
Front porch, single storey rear extension with roof lantern and loft conversion with rear dormer and roof terrace
ExtensionPorch- Documents
- 1 doc on file
- Reference
- 5/2001/1333
Unlock 9 St Stephens Avenue, St Albans, AL3 4AA'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- Every decision — granted, refused or withdrawn (1 on record)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 1 documents, officer reports & conditions
- What the pattern means for extending or converting here
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Sales history & valuation
Sale price has at least doubled since 2001.
£1,598,000
Modelled from EPC, postcode comparables and a sale-price growth of 5.8% per year over 13 years.
£1,050,000
Growth on file: 5.8% per year over 13 years.
Sales timeline
21 September 2014Most recent
£1,050,000
+110.0%over 13 years14 June 2001
£499,999
Median price across the last 5 sales in AL3 4AA: £1,000,000 (2024–2021).
Nearby sales in AL3 4AA
35 St Stephens Avenue, St Albans, AL3 4AA
Sold Jul 2024
£1,000,00021 St Stephens Avenue, St Albans, AL3 4AA
Sold Oct 2023
£1,575,00019 St Stephens Avenue, St Albans, AL3 4AA
Sold Oct 2021
£1,780,00043 St Stephens Avenue, St Albans, AL3 4AA
Sold Feb 2021
£900,00045 St Stephens Avenue, St Albans, AL3 4AA
Sold Feb 2021
£900,000
Versus other St Stephens Avenue homes
CO₂ Emissions for 9 St Stephens Avenue lags the street by a wide margin.
Price per m²
£4,526
Street avg £5,497
Floor Area
232 m²
Street avg 199 m²
Habitable Rooms
9 rooms
Street avg 7 rooms
CO₂ Emissions
11.5 t/year
Street avg 6.1 t/year
Similar properties nearby
The neighbourhood at a glance
Rail-style transport is unusually close for this postcode.
Crime
3/mo
Steady year-on-year across the wider district.
Nearest stop
0.1 km
Recreation Ground Path — bus stop.
Closest school
0.4 km
The Marlborough Science Academy. 22 schools nearby.
Go deeper on the local area
A Local Area report breaks down crime, transport links, schools and air quality in depth.







