Planning application
3 How Field Harpenden Hertfordshire Al5 3Au
Works: Extension Small domestic
Read from the description, not a valuation. How we read the register
Decided. The decision notice on the council portal carries the outcome in full, including any conditions.
Proposal
Two storey front extension, garage conversion and alterations to openings
As published by the council, reference 5/2026/1296
Application record
- Reference
- 5/2026/1296
- Type
- Householder
- Status
- Under Consideration
- Decision
- PENDING
- Received
- 6 Jul 2026
- Validated
- 9 Jul 2026
- Ward
- Harpenden North & Rural
- Parish
- Harpenden Town
- Postcode
- AL5 3AU
Site history
Applications at this address on the St Albans register
This site has had 3 applications since 2026: 1 approved, 1 refused.
-
5/2026/0458 Refused
3 How Field Harpenden Hertfordshire Al5 3Au
Two storey front extensions
-
5/2026/0188 Granted
3 How Field Harpenden Hertfordshire Al5 3Au
Certificate of Lawfulness (proposed) - Construction of single storey rear extension
Timeline
Dates from the published record
-
6 Jul 2026
Received by St Albans
-
9 Jul 2026
Validated
Checked as complete and ready for consideration.
-
24 Jul 2026
Added to PlanIndex
-
15 Aug 2026
Status changed to Under Consideration
Previously Under Consultation.
Documents
Plans, drawings, consultee responses and the officer's report
11 documents on file for this application
A planning file usually holds the application form, drawings and site plans, consultee responses, the officer's report and the decision notice.
Trade members open them from here.
Open the documentsAfter the decision
St Albans has decided this application; the outcome above is the register's own wording and the decision notice on the council portal carries the detail. More in our guide to what happens after a planning decision.
About householder applications
Householder applications cover work to an existing house and its garden, such as extensions, lofts and outbuildings, and cannot create a separate dwelling or change what the building is used for. More in our guide to planning application types.
Nearby applications
Within 500 metres
-
3 How Field Harpenden Hertfordshire Al5 3Au
Two storey front extensions
Refused Householder Extension 10 docsDomestic -
3 How Field Harpenden Hertfordshire Al5 3Au
Certificate of Lawfulness (proposed) - Construction of single storey rear extension
Granted Lawful development Extension 6 docsSmall domestic -
47 Roundwood Park Harpenden Hertfordshire Al5 3Ag
Discharge of Condition 3 (samples of materials) of planning permission 5/2016/3293 dated 30/01/2017 for the Addition of first floor with habitable accommodation in the roof, raising of roof from flat to pitched of existing single storey rear extension, n
Granted Conditions Extension 3 docsSmall domestic -
1 Hanover Grange Harpenden Hertfordshire Al5 3Bd
G1 2 Oaks (over road) - Crown clean, crown lift to 5.2m approx & 1 overlong lateral shorten by 4m as this will be an issue with vehicle strike being low T2 3 Stems - Fell (adjacent to the cabin - stumps to remain) G3 Beech Hedge - Reduction down to 3m app
Decided Trees -
5 Hanover Grange Harpenden Hertfordshire Al5 3Bd
Hornbeam x 5 reduce back to previous points, Oak Repeat crown reduction reducing back to the previous pruning points. Historically approved under Planning Application TP/2016/0331.
Decided Trees 2 docs -
36 Roundwood Park Harpenden Hertfordshire Al5 3Af
Conversion of garage to habitable accommodation with alteration to opening at rear and new opening to side elevation
Granted Householder 12 docsDomestic
Other householder applications
In St Albans
-
5/2026/1089 Granted
25 High Firs Crescent Harpenden Hertfordshire Al5 1Nb
Removal of the existing flat roof and construction of a pitched roof to the front elevation
-
5/2026/0989 Granted
Mabel 30 Faircross Way St Albans Hertfordshire Al1 4Sd
Construction of single storey garden golf studio
-
5/2026/0631 Granted
28 Wroxham Way Harpenden Hertfordshire Al5 4Pp
Proposed two storey side and rear extension and single storey rear extension, alterations to patio, boundary treatments and landscaping.
-
5/2026/1265 Granted
43 Granby Avenue Harpenden Hertfordshire Al5 5Qp
Following demolition of store rooms etc, proposed two-storey side and rear extensions, single-storey side and rear extensions along with internal and external alterations, new openings and chimney removal
-
5/2026/1152 Granted
43A Moreton End Lane Harpenden Hertfordshire Al5 2Ha
Addition of flat roof dormers to the first-floor ensuite bathroom on both the front and rear elevations. New utility room added to the rear of the garage space.