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Planning application

22/0647/CLPD

27 Bishops Avenue Northwood Hertfordshire HA6 3DD

Granted Three Rivers Certificate of Lawfulness - Proposed Use

Proposal

Certificate of Lawfulness Proposed Development: Loft conversion including hip to gable roof enlargements, rear dormer and front rooflights and alterations to single storey rear projection

As published by the council, reference 22/0647/CLPD

Timeline

Dates from the published record

  1. 6 Apr 2022

    Received by Three Rivers

  2. 13 Apr 2022

    Validated

    Checked as complete and ready for consideration.

  3. 8 Jun 2022

    Decision issued: approved

  4. 26 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

  • 20/1526/FUL Granted

    31 Bishops Avenue Northwood HA6 3DD

    Partial demolition of existing dwelling and erection of a two storey and single storey side and rear extension and alterations to existing roof form.

    29 Jul 2020 30m away Full applications
  • 26/1181/FUL Awaiting decision

    11 The Roughs Northwood HA6 3DE

    Removal of existing outbuildings and construction of an annexe

    21 Jul 2026 83m away Full applications
  • 26/0658/FUL Granted

    22 Bishops Avenue Northwood HA6 3DG

    Demolition of existing garage and construction of part-single, part-two storey front extension; single storey side and rear extensions; garage conversion; construction of new roof with loft accommodation, with an increase in ridge height, rear dormer window, and front/side rooflights; alterations to fenestration including relocation of entrance door; front porch; and installation of windows to side elevation

    23 Apr 2026 88m away Full applications
  • 25/1297/TPO Refused

    9 The Roughs Northwood HA6 3DE

    T1 - Oak x 1 - reduce by 2m on height and 3m on overall spread, this will leave the tree at around 21 m in height with an approximate crown spread of 5-6 m. T2 - Oak x 1 - reduce by 2m on height and 2m on overall spread (as T1 above) T3 - Oak x 1 - reduce by 1-1.5m on height to clear dieback, prune back the south and east sides by around 1.5 m to leave these sections at about 2.5 m in length and so create a reasonably symmetrical crown. Reasons: trees 1 & 2 are woodland/field species rather than garden trees and these are now becoming somewhat large for this suburban location, Mr Ellis also has some concerns because the property is located within an area that has a shrinkable superficial site geology. Tree 3 is suppressed by the former two trees and as a result has developed a very asymmetrical crown with appreciable deadwood at the higher levels.

    31 Jul 2025 93m away Trees
  • 26/1004/CLPD Awaiting decision

    39 Bishops Avenue Northwood HA6 3DD

    Certificate of Lawfulness Proposed Development: Conversion of garage to habitable accommodation

    19 Jun 2026 95m away Lawful development
  • 25/1326/CLED Granted

    5 The Roughs Northwood HA6 3DE

    Certificate of Lawfulness Existing Use: Conversion of garage into habitable accommodation

    5 Aug 2025 101m away Lawful development

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