18 College Close, Flamstead, St Albans, AL3 8DJ
About 18 College Close
18 College Close is a three-bedroom semi-detached house in Flamstead, St. Albans, St Albans (AL3 8DJ). It has a recorded floor area of 89 m² (around 958 sq ft), construction records dating it to 1950-1966 and council tax band D. The latest certificate (May 2022) shows a D (score 65), on the cusp of jumping into the C band. The rating has held steady at D across 2 certificates since August 2014. Between certificates, lighting went from Average to Very Good; while roof efficiency dropped from Very Good to Good. The recommended improvements would lift it to B (score 83), a 2-band jump. Our model identifies extension potential, subject to local planning policy. The home occupies a cul-de-sac position.
4 planning records sit against the property, 3 approved, 1 refused. Past consents include an extension and a garage conversion, meaningful when judging how the property has evolved. Today's modelled estimate of £565,000 is 10.8% above the 2022 sale price. On a £-per-square-foot basis, the last sale (£532/sq ft) was about 92.6% above the typical sold price in the postcode. Last sale on file: £510,000 in August 2022. That sale was during the post-pandemic price surge, when transactions cleared materially above pre-2020 trend.
What this property has
Inside
- Bedrooms3
Outside
- DrivewayYes
- Cul-de-sacYes
Building
- RefurbishedYes
- Extension potentialPossible
Energy performance
Recommended upgrades on file would lift this property by multiple EPC bands.
EPC Rating
Certificate validity
Valid until 9 May 2032
Property Improvements
Changes detected from historical EPC data
More low energy lighting installed
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Planning history
A recent planning application at 18 College Close was refused — worth checking the council file.
4 applications on record at 18 College Close, Flamstead, St Albans, AL3 8DJ
- Dec 2022ExtensionFullOutcome in report
Extension: Side and rear of property
Single storey front, side and rear extension, double rear extension
- Documents
- 7 docs on file
- Reference
- 22/03207/FHA
- More recent applications — locked
- AmendmentFeb 2026Decision
- Garage ConversionOct 2023Decision
+ 1 more application in the report
Unlock 18 College Close, Flamstead, St Albans, AL3 8DJ's full planning history
You're seeing the shape of it. The report has the substance.
- Every decision — granted, refused or withdrawn (4 on record)
- All 4 applications on this property in full
- The 30 documents, officer reports & conditions
- What the pattern means for extending or converting here
One time fee only - money back guarantee
Sales history & valuation
The latest sale landed in the post-pandemic price surge — useful context when reading the figure.
£565,000
Modelled from EPC, postcode comparables.
£510,000
Recorded with HM Land Registry.
Sales timeline
17 August 2022Most recent
£510,000
Median price across the last 5 sales in AL3 8DJ: £604,000 (2025–2021).
Nearby sales in AL3 8DJ
9 College Close, Flamstead, St Albans, AL3 8DJ
Sold Dec 2025
£1,100,00027 College Close, Flamstead, St Albans, AL3 8DJ
Sold Jun 2023
£600,00032 College Close, Flamstead, St Albans, AL3 8DJ
Sold Dec 2022
£604,00010 College Close, Flamstead, St Albans, AL3 8DJ
Sold Jun 2021
£500,00017 College Close, Flamstead, St Albans, AL3 8DJ
Sold Mar 2021
£615,000
Versus other College Close homes
Price per m² for 18 College Close runs comfortably ahead of the street norm.
Price per m²
£5,730
Street avg £4,160
Floor Area
89 m²
Street avg 121 m²
Habitable Rooms
4 rooms
Street avg 5 rooms
CO₂ Emissions
4.0 t/year
Street avg 4.9 t/year
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The neighbourhood at a glance
Crime
170/mo
Steady year-on-year across the wider district.
Nearest stop
0.1 km
Village School — bus stop.
Closest school
0.2 km
Flamstead Village School. 2 schools nearby.
Go deeper on the local area
A Local Area report breaks down crime, transport links, schools and air quality in depth.







