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Planning application

27 Lytton Fields Knebworth Hertfordshire SG3 6BA

Decided North Hertfordshire 26/01625/FPH

Works: Extension Loft or dormer Demolition Windows or glazing 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

Enlargement of existing front dormer windows and insertion of 2 no. front rooflights. Insertion of rear box dormer with 2 no. Juliette balconies. Replacement flat roof above existing rear element and demolition of existing conservatory. Front porch extension and alterations to fenestration.

As published by the council, reference 26/01625/FPH

Application record

Reference
26/01625/FPH
Status
Decided
Received
3 Aug 2026
Validated
3 Aug 2026
Decided
4 Sep 2026
Ward
Knebworth Ward
Parish
Knebworth Parish Council
Postcode
SG3 6BA

Site history

Applications at this address on the North Hertfordshire register

This site has had 2 applications since 2026: 0 approved, 1 refused.

  • 26/01483/NMA Refused

    27 Lytton Fields Knebworth Hertfordshire SG3 6BA

    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).

    Decided 23 Jun 2026 Amendments

Timeline

Dates from the published record

  1. 3 Aug 2026

    Received by North Hertfordshire

  2. 9 Aug 2026

    Added to PlanIndex

  3. 4 Sep 2026

    Decision issued

  4. 10 Sep 2026

    Status changed to Decided

    Previously Registered.

After the decision

North Hertfordshire 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 this record

The published feed does not state which type of application this is; the register entry on North Hertfordshire's portal will say. Our guide explains the common types.

Nearby applications

Within 0.3 miles

  • 27 Lytton Fields Knebworth Hertfordshire SG3 6BA

    26/01483/NMA Submitted 8 Jun 2026 50 yards away

    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).

    Refused Amendments Extension Loft or dormer
    Small domestic

  • 31 Lytton Fields Knebworth Hertfordshire SG3 6BA

    24/02393/FPH Submitted 30 Oct 2024 50 yards away

    Two storey rear extension. Alterations to fenestrations including installation of first floor window on side elevation and repositioning of rear dormer window. The addition of 3 pitched roofs above the existing 3 front dormer windows.

    Granted Householder Extension Loft or dormer +1 8 docs
    Domestic

  • 11 Oak Tree Gardens Knebworth Hertfordshire SG3 6EQ

    24/01834/LDCP Submitted 16 Aug 2024 50 yards away

    Erection of single storey rear conservatory

    Granted Lawful development Extension 7 docs
    Small domestic

  • 2 Oak Tree Gardens Knebworth Hertfordshire SG3 6EQ

    22/03025/FPH Submitted 23 Nov 2022 100 yards away

    Part conversion of garage to provide home office including replacement door opening on side elevation

    Granted Householder 11 docs
    Domestic

  • Caxton Villa 14 Park Lane Knebworth Hertfordshire SG3 6PF

    23/00009/FPH Submitted 6 Jan 2023 150 yards away

    Installation of additional vehicular crossover.

    Granted Householder 8 docs
    Domestic

  • The Station Station Approach Knebworth Hertfordshire SG3 6AT

    21/02008/AD Submitted 6 Aug 2021 150 yards away

    Installation of stack board advertising new build properties for sale on development site.

    Granted Advertising New dwelling 7 docs