Planning application
80 London Road Knebworth Hertfordshire SG3 6HB
Works: Extension Windows or glazing 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
Two storey rear extension with Juliet balcony, front porch and addition of pitched roof to existing garage and replace garage door with a window to facilitate conversion of garage into habitable accommodation following removal of existing porch. (renewal of previously approved planning permission 22/01469/FPH granted 26.07.2022)
As published by the council, reference 26/00208/FPH
Application record
- Reference
- 26/00208/FPH
- Type
- Full Permission Householder
- Status
- Decided
- Decision
- Granted As published: Conditional Permission
- Received
- 16 Mar 2026
- Validated
- 16 Mar 2026
- Decided
- 7 May 2026
- Ward
- Knebworth Ward
- Parish
- Knebworth Parish Council
- Decision by
- Delegated
- Postcode
- SG3 6HB
Timeline
Dates from the published record
-
16 Mar 2026
Received by North Hertfordshire
-
7 May 2026
Decision issued: Conditional Permission
-
9 Aug 2026
Added to PlanIndex
Documents
Plans, drawings, consultee responses and the officer's report
10 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.
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Open the documentsWhat this grant of permission means
North Hertfordshire granted permission on 7 May 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 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 0.3 miles
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90 London Road Knebworth Hertfordshire SG3 6HB
Insertion of rooflight to existing front elevation and rooflight and dormer window to existing rear elevation roofslope to facilitate conversion of loftspace into habitable accommodation
Withdrawn Lawful development Loft or dormer Windows or glazing 5 docs -
57 Haygarth Knebworth Hertfordshire SG3 6HF
T1: Yew - Clear from path & reduce away from no 68. T2: Beech- Girdle ivy at 1.5m. T3: Oak - Remove 4x Elm, 3x Sycamore, 1x Norway Maple from under its crown & reduce lowest roadside limb that is resting in Sycamore by 2-3m & Second limb above Highway by 2-3m. T4, T5: Holly - Girdle ivy at 1.5m. T6: 4x Hornbeam- Reduce/re-pollard back to boundary. T7: Oak, 2x Sycamore - Remove from beneath Ash, Oak & Lime. T8: Philadelphus - Remove 2x ivy covered stems & 1x Ivy covered
Decided Trees 5 docs -
76 Pondcroft Road Knebworth Hertfordshire SG3 6DE
Single storey side and rear extensions with car port following removal of existing detached rear garage and shed.
Decided ExtensionSmall domestic -
57 Pondcroft Road Knebworth Hertfordshire SG3 6DE
Single storey rear extension following demolition of existing side/rear element.
Decided Extension DemolitionSmall domestic -
76 Pondcroft Road Knebworth Hertfordshire SG3 6DE
Insertion of L shaped rear dormer with Juliet balcony and 3 no. front roof lights to facilitate loft conversion to habitable space
Granted Loft or dormer -
37 Haygarth Knebworth Hertfordshire SG3 6HF
T1 Ash - Remove lowest branch growing towards flats.
Granted Trees 4 docs
Other householder applications
In North Hertfordshire
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26/01998/FPH Awaiting decision
69 Bearton Green Hitchin Hertfordshire SG5 1UG
Single storey side and rear extension. Alterations to existing roof to include hip to gable roof extension and insertion of rear dormer window and front rooflights to facilitate loft conversion into habitable accommodation. Alterations to fenestration
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26/00371/FPH Granted
12 Dale Close Hitchin Hertfordshire SG4 9AS
Replacement raised hipped roof and insertion of front rooflight and two rear dormers to facilitate loft conversion into habitable accommodation. Two storey and part single storey side and rear extensions and front porch following demolition of existing side and rear extensions. Alterations to fenestration to include insertion of first floor side window. External cladding and Installation of rear raised patio and steps.
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26/01940/FPH Awaiting decision
Old Hammers Mill End Rushden Buntingford Hertfordshire SG9 0TA
Two storey rear extension
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26/00904/FPH Granted
4 Leete Place Royston Hertfordshire SG8 5DX
Single storey side and rear extension, open-sided front porch, replacement roof including installation of rooflights, removal of chimney and alterations to existing fenestration following demolition of existing store. Installation of vehicular access via dropped kerb and vehicle crossover including hardstanding to provide No.2 parking spaces.
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26/01380/FPH Granted
15 Ninesprings Way Hitchin Hertfordshire SG4 9NQ
Part two storey and part single storey side extension and single storey rear extension following demolition of existing side element and rear conservatory. Front porch, alterations to fenestration and hard and soft landscaping works. External cladding and rendering.