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Planning application

3/21/1480/HH

17 Raffin Park Datchworth Knebworth Hertfordshire SG3 6RR

Granted East Hertfordshire Householder

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

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

What a grant of permission means

The process from here

Permission has been granted, usually subject to conditions listed on the decision notice, some of which must be discharged before work starts. The decision notice on the council portal sets out exactly what was approved.

Work must normally begin within three years of the decision or the permission lapses. Neighbours cannot appeal a grant; challenging one means judicial review of how the decision was made, within tight time limits.

About householder applications

How this application type works

Householder applications cover work to an existing house and its garden: extensions, loft and garage conversions, porches, outbuildings and similar alterations within the boundary of the home. They cannot be used to create a separate dwelling or change what the building is used for. Councils aim to decide them within eight weeks, and immediate neighbours are usually notified and given a chance to comment.

More on householder applications in our guide

Nearby applications

Within 500 metres

  • 3/26/0745/HH Awaiting decision

    2A Raffin Park Datchworth Hertfordshire SG3 6RR

    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

    26 May 2026 41m away Householder
  • 3/07/1644/FP Granted

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

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

    6 Aug 2007 102m away Full applications
  • 3/26/0652/HH Awaiting decision

    14 Foldingshott Datchworth Hertfordshire SG3 6SR

    Part single/part two storey rear extension and alterations to fenestration

    8 May 2026 272m away Householder

In East Hertfordshire

  • 3/26/0698/HH Granted

    26 Sandy Close Hertford Hertfordshire SG14 2BB

    Erection of part two-storey/part single storey side extension, two-storey and first-floor rear extensions, insertion of rooflights and alterations to fenestration

    15 May 2026 Householder
  • 3/26/0700/HH Granted

    58 Newtown Road Bishops Stortford Hertfordshire CM23 3SD

    Demolition of two storey rear projection and single storey rear conservatory. Erection of part two storey and part single storey rear extension with rooflight window and alterations to fenestration

    18 May 2026 Householder
  • 3/26/0792/HH Refused

    40 Friars Road Braughing Hertfordshire SG11 2NP

    Erection of a detached outbuilding to provide ancillary accommodation (annexe)

    3 Jun 2026 Householder
  • 3/26/0671/HH Granted

    24 Widford Road Hunsdon Hertfordshire SG12 8NW

    Creation of dropped kerb to front

    12 May 2026 Householder
  • 3/26/0619/HH Granted

    12 Abbots Close Datchworth Hertfordshire SG3 6TA

    Removal of conservatory, part single/part two storey rear extension, garage conversion into habitable space, including raising of roof, patio area and alterations to openings

    1 May 2026 Householder