Planning application
7 Tyttenhanger Green St Albans Hertfordshire Al4 0Rn
Works: Extension Loft or dormer Small domestic
Read from the description, not a valuation. How we read the register
Permission granted. Work must normally begin within three years of the decision or the permission lapses.
Proposal
Certificate of Lawfulness (Proposed) - Single storey rear extension with rooflight
As published by the council, reference 5/2026/0527
Application record
- Reference
- 5/2026/0527
- Type
- Certificate of Lawfulness - (proposed)
- Status
- Approved
- Decision
- Certificate of Lawfulness Approved
- Received
- 18 Mar 2026
- Validated
- 19 Mar 2026
- Decided
- 18 Jun 2026
- Ward
- Colney Heath
- Parish
- Colney Heath
- Decision by
- Delegated
- Postcode
- AL4 0RN
Site history
Applications at this address on the St Albans register
This site has had 2 applications since 2026: 1 approved, 0 refused.
-
5/2026/1205 Decided
7 Tyttenhanger Green St Albans Hertfordshire Al4 0Rn
Proposed single storey rear extension with rooflights and internal alterations
Timeline
Dates from the published record
-
18 Mar 2026
Received by St Albans
-
19 Mar 2026
Validated
Checked as complete and ready for consideration.
-
18 Jun 2026
Decision issued: Certificate of Lawfulness Approved
-
13 Sep 2026
Added to PlanIndex
Documents
Plans, drawings, consultee responses and the officer's report
6 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 documentsWhat this grant of permission means
St Albans granted permission on 18 June 2026, subject to any conditions on the decision notice. Work must normally begin within three years or the permission lapses. More in our guide to what happens after a planning decision.
About lawful development applications
A lawful development certificate is a legal determination that existing or proposed works do not need planning permission; the merits of the scheme are not considered. More in our guide to planning application types.
Nearby applications
Within 500 metres
-
45 Tyttenhanger Green St Albans Hertfordshire Al4 0Rn
Certificate of Lawfulness (proposed) - New outbuilding
Refused Lawful development 5 docs -
Hill End Farm Tyttenhanger Green St Albans Hertfordshire Al4 0Rn
Discharge of Condition 7 (watching brief) of planning permission 5/2017/1452 dated 08/09/2017 for the Listed Building consent - Repairs to roof (part retention)
Granted Conditions 7 docs -
Hill End Farm Tyttenhanger Green St Albans Hertfordshire Al4 0Rn
Listed Building consent - Internal and external alterations and refurbishments, including a replacement flat roof (part retention)
Granted Heritage and listed buildings 28 docs -
45 Tyttenhanger Green St Albans Hertfordshire Al4 0Rn
Part single part two storey side extension (resubmission following refusal of 5/2016/0186 dated 16/03/2016)
Refused Householder Extension 9 docsDomestic -
7 Tyttenhanger Green St Albans Hertfordshire Al4 0Rn
Proposed single storey rear extension with rooflights and internal alterations
Decided Householder Extension Loft or dormer 12 docsSmall domestic -
37 Highfield Lane Tyttenhanger St Albans Hertfordshire Al4 0Rh
Certificate of Lawfulness (proposed) - The proposed development comprises a single-storey side extension measuring less than half the width of the original dwelling
Withdrawn Extension 9 docsSmall domestic
Other lawful development applications
In St Albans
-
5/2026/1277 Granted
52 Napsbury Avenue London Colney Hertfordshire Al2 1Ls
Certificate of Lawfulness (proposed) - The proposed development comprises building operations associated with the loft conversion of the existing roof space to provide additional habitable accommodation. The works include the construction of a rear dormer
-
5/2026/1366 Granted
256 Sandridge Road St Albans Hertfordshire Al1 4Aj
Certificate of Lawfulness (proposed) - Loft conversion with rear dormer & 4 velux to front
-
5/2026/1638 Decided
1 Castle Rise Wheathampstead Hertfordshire Al4 8Hx
Certificate of Lawfulness (proposed) - Proposed loft hip to gable with rear dormer, internal alterations and all associated works at 1 Castle Rise, AL4 8HX
-
5/2026/1621 Decided
9 Ashley Gardens Harpenden Hertfordshire Al5 3En
Certificate of Lawfulness (proposed) - Erection of a fence within boundary of the property
-
5/2026/1622 Decided
9 Necton Road Wheathampstead Hertfordshire Al4 8At
Certificate of Lawfulness (proposed) - Dormer to rear elevation to existing bedroom. new window to rear