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Planning application

22/1017/CLPD

7 Horsleys Maple Cross Hertfordshire WD3 9TU

Granted Three Rivers Certificate of Lawfulness - Proposed Use

Proposal

Certificate of Lawfulness Proposed Development: Single storey rear extension

As published by the council, reference 22/1017/CLPD

Timeline

Dates from the published record

  1. 26 May 2022

    Received by Three Rivers

  2. 7 Jul 2022

    Decision issued: approved

  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 lawful development applications

How this application type works

A lawful development certificate is a legal determination, not a planning judgement. It asks the council to confirm either that existing use or works are lawful, often through the passage of time, or that a proposal would not need planning permission at all. The applicant must prove the facts; the merits of the scheme are not considered.

More on lawful development applications in our guide

Nearby applications

Within 500 metres

  • 26/0025/FUL Awaiting decision

    128 Longcroft Road Maple Cross Rickmansworth Hertfordshire WD3 9TX

    Demolition of existing single storey rear extension and construction of single storey rear extension

    8 Jan 2026 129m away Full applications
  • 22/1020/FUL Granted

    123 Hornhill Road Maple Cross Hertfordshire WD3 9TQ

    Part single, part two storey rear extension, loft conversion including side and rear dormers, creation of basement level and alterations to rear garden to create raised terrace with steps to sunken patio

    26 May 2022 180m away Full applications
  • 25/1394/NMA Withdrawn

    Garages Adjacent 13 To 23 Pollards Maple Cross Hertfordshire

    Non Material Amendment to planning permission 23/1569/FUL: Rotation of the NE balconies; introduction of inset dormer to front elevation; and alterations to fenestration including the omission of some ground floor windows

    19 Aug 2025 182m away Amendments
  • 25/1522/DIS Decided

    Garages Adjacent 13 To 23 Pollards Maple Cross Hertfordshire

    Discharge of Conditions 5 (Landscaping) pursuant to planning permission 23/1569/FUL

    8 Sep 2025 182m away Conditions
  • 25/1306/FUL Granted

    8 Birch Drive Maple Cross Rickmansworth Hertfordshire WD3 9UL

    Demolition of existing garage and conservatory, construction of two storey side extension, single storey front and rear extensions with front porch canopy

    1 Aug 2025 182m away Full applications
  • 25/1393/NMA Granted

    Garages Rear Of 22 To 32 Pollards Maple Cross Hertfordshire

    Non Material Amendment to planning permission 23/1570/FUL to raise the height of the dormer windows, omit feature blades, alter glazing proportions and increase width on elevations to correspond with approved floor plans

    19 Aug 2025 215m away Amendments

In Three Rivers

  • 26/0842/CLPD Granted

    Dykewood Chorleywood Road Rickmansworth Hertfordshire WD3 4ES

    Certificate of Lawfulness Proposed Development: Installation of solar panels.

    26 May 2026 Lawful development
  • 26/0952/CLPD Granted

    54 Station Road Kings Langley Hertfordshire WD4 8LB

    Certificate of Lawfulness Proposed Development: Loft conversion including hip to gable roof extension; rear dormer, velux windows and construction of outbuilding to rear.

    11 Jun 2026 Lawful development
  • 26/1165/CLPD Awaiting decision

    30 Gable Close Abbots Langley Hertfordshire WD5 0LD

    Certificate of Lawfulness Proposed Development: Loft conversion including rear dormer window and front rooflights

    20 Jul 2026 Lawful development
  • 26/0724/CLED Granted

    70 The Mead Carpenders Park Watford Hertfordshire WD19 5BU

    Certificate of Lawfulness Existing Use: Use of annexe as a separate dwelling

    5 May 2026 Lawful development
  • 25/1151/CLED Refused

    Unit 6 Century Court Tolpits Lane Watford Hertfordshire

    Certificate of Lawfulness Existing Use: Use of property as single dwellinghouse (Use Class C3)

    4 Jul 2025 Lawful development