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Planning application

25/1615/FUL

Dellfield House Plough Lane Sarratt Rickmansworth Hertfordshire WD3 4NL

Granted Three Rivers Full Application

Proposal

Demolition of existing conservatory, erection of a two storey side extension, juliet balcony; loft extension including rear rooflight

As published by the council, reference 25/1615/FUL

Timeline

Dates from the published record

  1. 19 Sep 2025

    Received by Three Rivers

  2. 12 Nov 2025

    Decision issued: approved

  3. 24 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 full applications applications

How this application type works

A full application seeks permission for a complete, detailed proposal in one go: siting, design, access and landscaping are all fixed at this stage. It is the standard route for new buildings, conversions and changes of use. The statutory target is eight weeks for smaller schemes and thirteen weeks for major development, though complex cases often take longer by agreement.

More on full applications applications in our guide

Nearby applications

Within 500 metres

  • 22/0856/TCA Granted

    Springfield The Green Sarratt Hertfordshire WD3 6BR

    Four Lleylandi trees bunched together with an approximate height of 35 metres. We would like to have permission to have these trees removed. The lleylandi trees are approximately 100ft high the centre of one is dead and branches from the trees have started to fall. As this is over a public footpath this could result in a nasty injury. They also cut out a lot of light to our home and are far too imposing.

    9 May 2022 419m away Trees
  • 22/0110/TCA Granted

    The Old Forge The Green Sarratt WD3 6BR

    I have spoken to our local tree surgeon who advises that we should undertake crown reduction work on 4 beech trees along our boundary (overhanging a public right of way between our property 'The Old Forge' and 'Springfield' and 'Toledo' The works proposed are a 30% crown reduction: crown thinning crown reduction dead wood removal.

    24 Jan 2022 419m away Trees
  • 23/2154/PDE Granted

    Willow Lodge Red Lion Lane Sarratt Rickmansworth Hertfordshire WD3 6BN

    Prior Approval: Single storey rear extensions (depth 8 metres, maximum height 3.80 metres, maximum eaves height 2.60 metres)

    19 Dec 2023 473m away Outline
  • 23/2152/CLPD Granted

    Willow Lodge Red Lion Lane Sarratt Rickmansworth Hertfordshire WD3 6BN

    Certificate of Lawfulness Proposed Development: Demolition of existing conservatory and construction of single storey side and rear extensions with associated internal alterations

    19 Dec 2023 478m away Lawful development

In Three Rivers

  • 26/0935/FUL Granted

    53 St Marys Avenue Northwood HA6 3AY

    Construction of single storey rear extension with roof lantern, installation of window to side elevation

    8 Jun 2026 Full applications
  • 26/0889/FUL Granted

    Clovelly Bell Lane Bedmond Abbots Langley Hertfordshire WD5 0QS

    Demolition of existing conservatory and construction of single storey rear extension with pergola, rear patio, and sedum roof, solar panels and rooflights; alterations to side fenestration; alteration to external materials of front elevation including render

    1 Jun 2026 Full applications
  • 26/0816/FUL Granted

    25 Beacon Way Rickmansworth Hertfordshire WD3 7PF

    Loft conversion including increase in ridge height with rear dormer and front/side rooflights

    19 May 2026 Full applications
  • 26/1015/FUL Granted

    32 Tudor Manor Gardens Garston Watford Hertfordshire WD25 9TQ

    Variation of Condition 2 (Plans) pursuant to planning permission 25/1939/FUL to allow a reduction to the first floor extension; associated alterations to the fenestration.

    22 Jun 2026 Full applications
  • 26/1196/FUL Awaiting decision

    22 Main Avenue Moor Park Northwood Hertfordshire HA6 2HJ

    Construction of two outbuildings to rear of shop.

    27 Jul 2026 Full applications