21 Colin Crescent London NW9 6EU

1. 7 Jul 2026

   Received by Barnet

2. 9 Aug 2026

   Added to PlanIndex

3. Decision

   Awaiting decision

   Decision expected by 1 September 2026, 8 weeks from validation under the statutory target for most applications. Extensions of time are common and are agreed case by case.

   Barnet took a median of 42 days over the applications it decided in the last year.

This application is with Barnet for determination. The council publicises it, consults neighbours and technical bodies where required, and weighs the responses against local and national planning policy.

The statutory target is eight weeks for most applications and thirteen for major development, though extensions of time are common. Comments carry most weight while the case is undecided, so check the council portal for the deadline if you want to respond.

Prior approval applications arise where permitted development rights already grant the principle of the work, such as larger home extensions, changes of use to housing or agricultural buildings. The council may only consider the specific matters set out in the rules, for example transport, flooding or appearance, and in many classes the work may proceed if the council does not respond within the deadline, commonly 56 days.

More on prior approval applications in our guide

• 36 Colin Crescent London NW9 6EY

  25/5084/PNH Submitted 18 Dec 2025 46m away

  57% historically approved · decision due ~23 Feb

  Single storey rear extension with a proposed depth of 6.00 metres, maximum height of 4.00 metres and eaves height of 3.00 metres, following demolition of existing side/rear extension.

  Awaiting decision Prior approval Extension Demolition 4 docs
  Small domestic

• 36 Colin Crescent London NW9 6EY

  26/0459/HSE Submitted 6 Feb 2026 47m away

  77% historically approved · decision due ~3 Apr

  Single storey rear extension with 1no. skylight

  Awaiting decision Householder Extension 4 docs
  Small domestic

• 20 Colin Crescent London NW9 6EY

  26/1324/RCU Submitted 9 Apr 2026 54m away

  70% historically approved · decision due ~5 Jun

  Raised rear patio area and canopy (Retrospective Application) Reduction of the height of the side brickwall and installation of privacy screening

  Awaiting decision Amendments 8 docs

• 7 Colin Gardens London NW9 6EL

  26/0168/CON Submitted 16 Jan 2026 75m away

  95% historically approved · decision due ~13 Mar

  Submission of details of condition 6 (Drainage Strategy) pursuant to planning permission 25/1878/HSE dated 01/07/2025

  Awaiting decision Conditions 4 docs

• 7 Colin Gardens London NW9 6EL

  26/1313/192 Submitted 9 Apr 2026 76m away

  2no single storey rear extensions (Amended)

  Decided Lawful development Extension 8 docs
  Small domestic

• 9 Colin Gardens London NW9 6EL

  26/1025/PNH Submitted 17 Mar 2026 82m away

  Single storey rear extension with a proposed depth of 6.00 metres, maximum height of 3.40 metres and eaves height of 3.00 metres, following demolition of the existing extension and garage.

  Refused Prior approval Extension Demolition 7 docs
  Small domestic

• 26/3224/PNH Awaiting decision

  Low Ridge Rowley Lane Barnet EN5 3HS

  Single storey rear extension with a proposed depth of 8.00 metres, maximum height of 3.00 metres and eaves height of 3.00 metres.

  3 Sep 2026 Prior approval
• 26/3218/PNH Awaiting decision

  22 Highcroft Gardens London NW11 0LX

  2no. Single storey rear extensions with a proposed depth of 6.00 metres, maximum height of 3.00 metres and eaves height of 3.00 metres, and depth of 3.05 metres, maximum height of 3.00 metres and eaves height of 3.00 metres respectively, following demolition of existing roofed patio.

  2 Sep 2026 Prior approval
• 26/3212/PNH Awaiting decision

  10 Richmond Road Barnet EN5 1SB

  Single storey rear extension with a proposed depth of 5.54 metres, maximum height of 3.50 metres and eaves height of 3.00 metres.

  2 Sep 2026 Prior approval
• 26/3183/PNH Awaiting decision

  34 Selvage Lane London NW7 3SP

  Single storey rear extension with a proposed depth of 3.80 metres, maximum height of 3.00 metres and eaves height of 2.75 metres, following partial demolition of existing side manifestation.

  1 Sep 2026 Prior approval
• 26/3194/PNH Awaiting decision

  74 Windsor Drive Barnet EN4 8UD

  Single storey rear extension with a proposed depth of 6.00 metres, maximum height of 3.00 metres and eaves height of 2.60 metres, following demolition of the existing rear extension.

  31 Aug 2026 Prior approval