4a, Roestock Lane, Colney Heath, St Albans, AL4 0PR
About 4a
4a is a three-bedroom semi-detached house in Colney Heath, St. Albans, St Albans (AL4 0PR). It has a recorded floor area of 143 m² (around 1539 sq ft), construction records dating it to 1967-1975 and council tax band D. The latest certificate (December 2025) shows a C (score 71). When first surveyed in June 2009 the rating was E, the property has climbed 2 bands since. Between certificates, hot-water efficiency went from Poor to Good, lighting went from Very Poor to Very Good and main heating went from Average to Good. The recommended improvements would lift it to A (score 97), a 2-band jump. This certificate was lodged in the last six months, so the rating reflects current condition. Other recorded features include a conservatory and outbuildings.
It hasn't traded since July 2010, a hold of 16 years that's notably long for the area. At 143 m² the property is well over the postcode median (102 m² across 12 EPCs), placing it in the larger end of the local stock. Across 2008–2010, sale prices on this property compounded at 0.9% per year. Today's modelled estimate of £643,000 sits 157.2% above the 2010 sale of £249,999. On a £-per-square-foot basis, the last sale (£162/sq ft) was about 38.1% below the postcode norm. 4 planning records sit against the property, 3 approved, 0 refused. Past consents include a loft conversion and an extension, meaningful when judging how the property has evolved.
What this property has
Inside
- Bedrooms3
- Open-plan layoutYes
- Dining roomYes
- Utility roomYes
- CloakroomYes
- ConservatoryYes
- FireplaceYes
Outside
- OutbuildingsYes
Building
- Heating systemGas
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
Hot water system upgraded
More low energy lighting installed
Get a survey for this property
Level 3 Building Survey
Because the property has been extended more than once and has permanent outbuildings, we believe a Level 3 building survey should be considered.
From £1,155 · Includes VAT
Planning history
4a has been extended on multiple sides of the property across separate planning applications.
4 applications on record at 4a, Roestock Lane, Colney Heath, St Albans, AL4 0PR
- May 2016ExtensionFullOutcome in report
Extension: Single storey · Front of property
Single storey front extension
- Documents
- 9 docs on file
- Reference
- 5/2016/1691
- More recent applications — locked
- Loft ConversionJul 2022Decision
- ExtensionJul 2022Decision
+ 1 more application in the report
Unlock 4a, Roestock Lane, Colney Heath, St Albans, AL4 0PR'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, plus 3 notable nearby
- The 37 documents, officer reports & conditions
- What the pattern means for extending or converting here
One time fee only - money back guarantee
Sales history & valuation
4a valuation sits well clear of the typical sold price in this postcode.
£643,000
Modelled from EPC, postcode comparables and a sale-price growth of 0.9% per year over 2 years.
£249,999
Growth on file: 0.9% per year over 2 years.
Sales timeline
22 July 2010Most recent
£249,999
+2.0%over 2 years12 May 2008
£245,000
Median price across the last 5 sales in AL4 0PR: £425,000 (2024–2014).
Nearby sales in AL4 0PR
6 Roestock Lane, Colney Heath, St Albans, AL4 0PR
Sold Jul 2024
£575,0008 Roestock Lane, Colney Heath, St Albans, AL4 0PR
Sold Sept 2021
£535,00022 Roestock Lane, Colney Heath, St Albans, AL4 0PR
Sold Sept 2019
£425,00012 Roestock Lane, Colney Heath, St Albans, AL4 0PR
Sold Apr 2014
£339,00020 Roestock Lane, Colney Heath, St Albans, AL4 0PR
Sold Oct 2008
£249,995
Versus other Roestock Lane homes
4a is notably below the street on price per m².
Price per m²
£1,748
Street avg £3,951
Floor Area
143 m²
Street avg 104 m²
Habitable Rooms
6 rooms
Street avg 5 rooms
CO₂ Emissions
4.3 t/year
Street avg 4.9 t/year
Similar properties nearby
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AL4 0EP
1 Barley Mow Lane
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1 Central Drive
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1 Bennetts Close, Colney Heath
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1 Cedarwood Drive
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1 Coopers Gate, Colney Heath
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1 Ardens Marsh, Sandpit Lane
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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
Roestock Lane — bus stop.
Closest school
0.8 km
Colney Heath Junior Mixed Infant and Nursery School. 8 schools nearby.
Go deeper on the local area
A Local Area report breaks down crime, transport links, schools and air quality in depth.







