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Planning application

17 Raffin Park Datchworth Knebworth Hertfordshire SG3 6RR

Granted East Hertfordshire 3/21/1480/HH Householder

Works: Extension Roofing 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

Removal of conservatory, rear garage extension, greenhouse and car port. Construction of 2 single storey rear extensions and front porch canopy. Replace the West side flat roof and add a roof lantern. Insert 4 sun tubes into pitched roof. Alterations to fenestration.

As published by the council, reference 3/21/1480/HH

Application record

Reference
3/21/1480/HH
Type
Householder
Status
Decided
Decision
Grant Plan Permission w Conds
Received
2 Jun 2021
Validated
2 Jun 2021
Decided
28 Jul 2021
Ward
Datchworth And Aston
Parish
Datchworth Parish Council
Decision by
Delegated Decision
Postcode
SG3 6RR

Timeline

Dates from the published record

  1. 2 Jun 2021

    Received by East Hertfordshire

  2. 28 Jul 2021

    Decision issued: Grant Plan Permission w Conds

  3. 30 Jul 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 documents

What this grant of permission means

East Hertfordshire granted permission on 28 July 2021, 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 500 metres

  • 2A Raffin Park Datchworth Hertfordshire SG3 6RR

    3/24/1733/HH Submitted 12 Sep 2024 41m away

    Two storey front extension, enlargement of garage, first floor extension incorporating roof lantern, roof lights, 3 dormer windows to rear and Juliet balcony to front.

    Refused Householder Extension Loft or dormer +1 18 docs
    Domestic

  • 1 Raffin Park Datchworth Hertfordshire SG3 6RR

    3/26/1207/HH Submitted 28 Aug 2026 41m away

    84% historically approved · decision due ~9 Nov

    Demolition of existing side extension and construction of replacement two storey side extension. Alterations to openings and new windows. Replacement cladding, render, brickwork and roof tiles. Widening of driveway.

    Awaiting decision Householder Extension Roofing +2 11 docs
    Domestic

  • 2A Raffin Park Datchworth Hertfordshire SG3 6RR

    3/26/0745/HH Submitted 26 May 2026 41m away

    84% historically approved · decision due ~13 Aug

    Conversion of the existing integral garage to habitable accommodation, and the construction of a single storey front extension to provide an attached garage with storage above, including a retaining wall and entrance gate, formation of a dropped kerb, installation of rooflights and solar panels, and alterations to fenestration

    Awaiting decision Householder Extension Loft or dormer +1 17 docs
    Small domestic

  • 2 Raffin Park Datchworth Knebworth Hertfordshire SG3 6RR

    3/23/0350/HH Submitted 23 Feb 2023 87m away

    Garage conversion, single storey rear extension, replace garage door with new front window and brickwork, new rear sliding doors.

    Granted Householder Extension Windows or glazing 7 docs
    Small domestic

  • 1, Raffin Park, Datchworth, Herts, SG3 6RR

    3/07/1644/FP Submitted 6 Aug 2007 102m away

    Single storey front extension with open porch, side and rear single storey extensions and raise roof at first floor to create a pitched roof.

    Granted Full applications Extension 3 docs
    Small domestic

  • 6, Raffin Close, Datchworth, Knebworth, SG3 6RP

    3/07/0498/FP Submitted 8 Mar 2007 135m away

    Rear conservatory to replace existing

    Refused Full applications Extension 3 docs

In East Hertfordshire

  • 3/26/0247/HH Withdrawn

    1 Stepped Gable Mews High Wych Lane High Wych Hertfordshire CM21 0JL

    Replacement windows and doors

    23 Feb 2026 Householder
  • 3/26/1236/HH Awaiting decision

    152 Cannons Close Bishops Stortford Hertfordshire CM23 2BL

    Single storey side and rear extension, new pitch roof over the front door and front elevation

    3 Sep 2026 Householder
  • 3/26/1221/HH Awaiting decision

    The Coach House 2 Widbury House Widbury Hill Ware Hertfordshire SG12 7QE

    Removal of three windows on front elevation and installation of a bi-fold door

    2 Sep 2026 Householder
  • 3/26/1209/HH Awaiting decision

    8 Barleycroft Tonwell Hertfordshire SG12 0HT

    Proposed first floor side extension and wrap-around two-storey rear extension with alterations to fenestration and installation of rooflight

    31 Aug 2026 Householder
  • 3/26/1200/HH Awaiting decision

    14 Grange Close Hertford Hertfordshire SG14 1LY

    Single storey porch extension, insertion of a new window to front elevation and replacement of garage flat roof with pitched roof incorporating roof lights

    28 Aug 2026 Householder