Planning application
26/01483/NMA
27 Lytton Fields Knebworth Hertfordshire SG3 6BA
Proposal
No raising of roof required, flat roof dormers (as existing design), Juliette balconies to rear dormer, extension of porch roof and no single storey rear extension as non-material amendment to planning permission reference 25/03244/FPH granted on 12.02.2026).
As published by the council, reference 26/01483/NMA
Timeline
Dates from the published record
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8 Jun 2026
Received by North Hertfordshire
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23 Jun 2026
Decision issued: Refused
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24 Jul 2026
Added to PlanIndex
What refusal means
The process from here
The council refused this application for the reasons set out on the decision notice, which the council portal holds in full. Only the applicant can appeal a refusal; the time limit runs from the decision date and is shorter for householder schemes.
Refusal does not prevent a fresh attempt. Applicants often address the reasons for refusal and resubmit, so a refused scheme is not necessarily the end of proposals for the site.
About amendments applications
How this application type works
An amendment application changes a permission that already exists. Non-material amendments cover small adjustments with no wider effect, while minor material amendments, usually made by varying a condition, allow modest design changes without a fresh application. Anything beyond that needs a new permission, so the scope here is deliberately narrow.
Nearby applications
Within 500 metres
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21/02085/LDCP Granted
8 Orchard Way Knebworth Hertfordshire SG3 6BU
Replace attached garage rear door with bricks to facilitate partial conversion of garage into habitable accommodation
-
23/00292/FPH Decided
1 Gipsy Lane Knebworth Hertfordshire SG3 6PL
Erection of detached outbuilding in rear garden
-
21/01795/FPH Decided
1 Deeping Close Knebworth Hertfordshire SG3 6BW
Single storey front porch extension, single storey side extension, raise eaves height, conversion and extension of existing detached side elevation garage/store to link to main dwellinghouse
-
26/01579/FPH Awaiting decision
64 Stockens Green Knebworth Hertfordshire SG3 6DQ
Replace existing windows to front, side and rear elevations.
-
23/00340/TCA Granted
1 Deards End Lane Knebworth Hertfordshire SG3 6NL
Mature Oak - Remove
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22/03156/FP Decided
17 Station Road Knebworth Hertfordshire SG3 6AP
Change of use of a single room on first floor from office/store to tattoo parlour (Sui Generis)
Other amendments applications
In North Hertfordshire
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26/01732/NMA Decided
1 Kingswood Avenue Hitchin Hertfordshire SG4 0PB
1. Amendment to the fenestration to the rear elevation of the rear extension. Omission of one window and widening of double doors, with the addition of glazed side panels. 2. Showing on Side Elevation D-D the new obscure glazed window to the new en-suite. The window was shown on the first floor plan (as non-material amendment to planning permission reference 26/00347/FPH granted on 25.03.2026).
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26/01664/NMA Decided
5 Westbury Farm Close Offley Hertfordshire SG5 3FL
Addition of flue pipe to serve log burner and re-positioned window (end elevation C) (as Non-Material Amendment to planning permission 25/02069/FPH granted 17.10.2025)
-
26/01811/NMA Awaiting decision
Glebe Lodge Pirton Road Holwell Hitchin Hertfordshire SG5 3SS
Alterations to workshop fenestration (as non-material amendment to planning permission reference 24/00466/FPH granted on 09.04.2024).
-
26/01057/NMA Decided
The Old Granary Church End Barley Royston Hertfordshire SG8 8JW
Remove part of rear roof light and introduce a smaller roof light within a new section of zinc roof (as Non-Material Amendment to application 18/02096/FPH granted 25.10.2018)
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26/01784/NMA Awaiting decision
Land On The South West Side Of Barkway Road Royston Hertfordshire SG8 9DF
To add a sentence to a number of conditions to allow a minor start on site to implement the planning approval by adding the words: " ...other than the excavation and concreting of the foundations to the pair of garages serving plots 9 and 10 or demolition of the existing workshops in the vicinity of plots 1 and 2 on plan numbers HAN/BAR21/01E and HAN/BAR21/02A ...." to Condition numbers: 3 External Materials, 4 hard and soft landscaping, 8 Biodiversity Management Plan, 13, Foul water/ sewerage, 14 Construction traffic management plan (only a days work for a mini digger and one visit by a grab lorry and one by a cement mixer), 15 Construction management plan (as 14), 19 WSI - attached - is a watching brief possible on this small excavation, 22 No contamination has been found - reports deposited with original application. The site is located on chalk very close to the surface resulting in a shallow dig (as non-material amendment to planning permission reference 21/02957/FP granted on 22.05.2023).