21 Belsize Close, St Albans, AL4 9YD
About 21 Belsize Close
21 Belsize Close is a three-bedroom detached house in St Albans (AL4 9YD). It has a recorded floor area of 141 m² (around 1518 sq ft), construction records dating it to 1991-1995 and council tax band F. The latest certificate (March 2019) shows a C (score 72). When first surveyed in April 2015 the rating was D, the property has climbed 1 band since. Between certificates, lighting went from Very Poor to Very Good; while window efficiency dropped from Good to Average. The recommended improvements would push it to B (score 82).
At 141 m² it's 22.6% larger than the typical home in the postcode (115 m² median across 10 EPCs). Its energy rating outperforms most of the postcode (better than 70% of similar EPCs). On the market in November 2015 and unlisted since — roughly 11 years. Today's modelled estimate of £798,000 is 46.4% above the 2015 sale price. One historical planning record sits against the property in 2017.
What this property has
Inside
- Bedrooms3
- Open-plan layoutYes
- Utility roomYes
- EnsuiteYes
Outside
- Private gardenRear
- GarageYes
Energy performance
EPC Rating
Property Improvements
Changes detected from historical EPC data
Heating controls upgraded for better temperature management
More low energy lighting installed
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Planning history
1 application on record at 21 Belsize Close, St Albans, AL4 9YD
- Jul 2017Garage ConversionFullOutcome in report
First floor side, single storey front and two storey rear extension with rear dormer window and rooflight following conversion of existing garage, alterations to ground floor rear opening and alterations to vehicle hardstanding to create one parking space
Extension- Documents
- 12 docs on file
- Reference
- 5/2017/1444
Unlock 21 Belsize Close, St Albans, AL4 9YD's full planning history
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- Every decision — granted, refused or withdrawn (1 on record)
- All 1 application on this property in full
- The 12 documents, officer reports & conditions
- What the pattern means for extending or converting here
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Sales history & valuation
21 Belsize Close valuation sits well clear of the typical sold price in this postcode.
£798,000
Modelled from EPC, postcode comparables.
£545,000
Recorded with HM Land Registry.
Sales timeline
19 November 2015Most recent
£545,000
Median price across the last 5 sales in AL4 9YD: £750,000 (2020–2016).
Nearby sales in AL4 9YD
Versus other Belsize Close homes
On floor area, 21 Belsize Close stands well clear of the street.
Price per m²
£3,865
Street avg £4,849
Floor Area
141 m²
Street avg 121 m²
Habitable Rooms
7 rooms
Street avg 6 rooms
CO₂ Emissions
4.4 t/year
Street avg 4.9 t/year
Similar properties nearby
The neighbourhood at a glance
Reported crime in the wider district is trending notably upward year-on-year.
Crime
4/mo
Rising year-on-year across the wider district.
Nearest stop
0.1 km
Wilstone Drive — bus stop.
Closest school
0.7 km
Sandringham School. 18 schools nearby.
Go deeper on the local area
A Local Area report breaks down crime, transport links, schools and air quality in depth.







