11 St Stephens Close, St Albans, AL3 4AB
About 11 St Stephens Close
11 St Stephens Close is a three-bedroom detached house in St Albans (AL3 4AB). It has a recorded floor area of 196 m² (around 2110 sq ft), construction records dating it to 1930-1949 and council tax band G. The latest certificate (April 2026) shows a C (score 69), just inside the C band. When first surveyed in June 2016 the rating was E, the property has climbed 2 bands since. Between certificates, wall efficiency went from Very Poor to Poor; while window efficiency dropped from Good to Average. This certificate was lodged in the last six months, so the rating reflects current condition. Our model identifies extension potential, subject to local planning policy.
At 196 m² the property is well over the postcode median (141 m² across 4 EPCs), placing it in the larger end of the local stock. On energy efficiency it sits in the top 10% of properties in this postcode. Today's modelled estimate of £1,534,000 sits 55.9% above the 2016 sale of £984,000. On a £-per-square-foot basis, the last sale (£466/sq ft) was about 26.2% below the postcode norm. 3 planning records sit against the property, 1 approved, 0 refused. Past consents include a loft conversion, meaningful when judging how the property has evolved. 10 years since the last transfer (September 2016).
What this property has
Inside
- Bedrooms3
- Bathrooms1
- Dining roomYes
- Utility roomYes
- EnsuiteYes
- StudyYes
Outside
- Private gardenYes
- GarageYes
Building
- Extension potentialPossible
Energy performance
11 St Stephens Close ranks among the most efficient homes in the postcode for energy use.
EPC Rating
Certificate validity
Valid until 14 April 2036
Property Improvements
Changes detected from historical EPC data
Wall insulation improved
More low energy lighting installed
Get a survey for this property
Level 3 Building Survey
Because the property has solid (non-cavity) walls, we believe a Level 3 building survey should be considered.
From £1,795 · Includes VAT
Planning history
11 St Stephens Close has 2 separate extension applications on the council record.
3 applications on record at 11 St Stephens Close, St Albans, AL3 4AB
- Sept 2016ExtensionFullOutcome in report
Extension: Single storey · Rear of property
Single storey rear extension with rooflights and alterations to rear patio
- Documents
- 6 docs on file
- Reference
- 5/2016/2514
- More recent applications — locked
- ExtensionOct 2025Decision
- Loft ConversionOct 2019Decision
Unlock 11 St Stephens Close, St Albans, AL3 4AB's full planning history
You're seeing the shape of it. The report has the substance.
- Every decision — granted, refused or withdrawn (3 on record)
- All 3 applications on this property in full, plus 3 notable nearby
- The 33 documents, officer reports & conditions
- What the pattern means for extending or converting here
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Sales history & valuation
11 St Stephens Close valuation sits well clear of the typical sold price in this postcode.
£1,534,000
Modelled from EPC, postcode comparables.
£984,000
Recorded with HM Land Registry.
Sales timeline
6 September 2016Most recent
£984,000
Median price across the last 5 sales in AL3 4AB: £935,000 (2024–2005).
Nearby sales in AL3 4AB
3 St Stephens Close, St Albans, AL3 4AB
Sold Oct 2024
£1,340,0004 St Stephens Close, St Albans, AL3 4AB
Sold Jun 2020
£935,0002 St Stephens Close, St Albans, AL3 4AB
Sold Apr 2016
£810,0001 St Stephens Close, St Albans, AL3 4AB
Sold Sept 2011
£955,9558 St Stephens Close, St Albans, AL3 4AB
Sold Sept 2005
£850,000
Versus other St Stephens Close homes
EPC Rating for 11 St Stephens Close runs comfortably ahead of the street norm.
Price per m²
£5,020
Street avg £7,121
Floor Area
196 m²
Street avg 149 m²
Habitable Rooms
8 rooms
Street avg 7 rooms
CO₂ Emissions
6.2 t/year
Street avg 7.9 t/year
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The neighbourhood at a glance
Rail-style transport is unusually close for this postcode.
Crime
170/mo
Steady year-on-year across the wider district.
Nearest stop
0.1 km
St Stephen's Close — bus stop.
Closest school
0.3 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.







