Planning application
5/2026/0258
21 Hammers Gate Chiswell Green St Albans Hertfordshire Al2 3Dz
Proposal
Single storey rear extension following demolition of existing single storey rear extension
As published by the council, reference 5/2026/0258
Timeline
Dates from the published record
-
11 Feb 2026
Received by St Albans
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12 Feb 2026
Validated
Checked as complete and ready for consideration.
-
29 Apr 2026
Decision issued: DC3 Conditional Permission
-
24 Jul 2026
Added to PlanIndex
After the decision
The process from here
The council has decided this application; the published outcome sits in the record above and the decision notice on the council portal carries the detail, including any conditions.
If permission was granted, work must normally begin within three years of the decision. If it was refused, the applicant can appeal within the statutory time limit or submit a revised scheme.
About householder applications
How this application type works
Householder applications cover work to an existing house and its garden: extensions, loft and garage conversions, porches, outbuildings and similar alterations within the boundary of the home. They cannot be used to create a separate dwelling or change what the building is used for. Councils aim to decide them within eight weeks, and immediate neighbours are usually notified and given a chance to comment.
Nearby applications
Within 500 metres
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5/2017/2486 Decided
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Removal of chimney stack and loft conversion with rear dormer window and two front rooflights
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5/2026/0390 Decided
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Loft conversion including formation of a rear dormer extension and installation of rooflights to the front roof slope to provide additional habitable accommodation within the existing dwellinghouse
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5/2026/0601 Decided
192 & 194 Watford Road Chiswell Green St Albans Hertfordshire Al2 3Eb
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5/2026/1085 Decided
21 Cherry Hill Chiswell Green St Albans Hertfordshire Al2 3At
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5/2026/1317 Decided
2 Laburnum Grove Chiswell Green St Albans Hertfordshire Al2 3Hq
Non Material Amendment to change of external material of ground floor rear extension to facing brickwork, change of external material at first floor flank wall to render and change the window to bedroom 3 to be one central larger window instead of two sma
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5/2026/0753 Decided
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Double storey side, part single storey front extensions, internal alterations and 3 nos. of skylight on new front roof slope
Other householder applications
In St Albans
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5/2026/0574 Decided
39 St Annes Road London Colney Hertfordshire Al2 1Lq
Porch extension and pitched roof above. Garage conversion
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5/2026/0886 Decided
17 Tillage Close Tyttenhanger St Albans Hertfordshire Al4 0Fn
Variation of Condition 2 (approved plans) to marginally increase the width of the garage as approved of planning permission 5/2025/0510 dated 23/05/2025 for Proposed detached garage
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5/2026/0825 Decided
282 London Road St Albans Hertfordshire Al1 1Hy
Retention of a Glazed link to house and gym
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5/2026/0821 Decided
3 Lindley Court Lindley Close Harpenden Hertfordshire Al5 4Ht
Single storey front and rear extensions
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5/2026/1372 Decided
8 Miley Close Harpenden Hertfordshire Al5 3Ds
Proposed garage conversion and internal alterations in order to create a new habitable Living Room with new side Store