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Planning application

78522/APP/2026/995

4 MICAWBER AVENUE HILLINGDON UB8 3NY

Granted Hillingdon Full

Proposal

Conversion of roof space to habitable use with 2 x side dormers (Application for a Certificate of Lawful Development for a Proposed Development)

As published by the council, reference 78522/APP/2026/995

Timeline

Dates from the published record

  1. 21 Apr 2026

    Received by Hillingdon

  2. 5 May 2026

    Validated

    Checked as complete and ready for consideration.

  3. 2 Jul 2026

    Decision issued: Permitted

  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 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

  • 9 ST MARGARETS AVENUE HILLINGDON MIDDX UB8 3HH

    Details pursuant to the discharge of Conditions 5 (Car Parking and Vehicular Access), 6 (Cycle Parking), 9 (Landscaping), 10 (Step Free Access), and 11 (Construction Management Plan) of planning permission ref. 58841/APP/2026/547, dated 15-05-26 (Erection of 2no. dwellinghouses with associated landscaping, parking, cycle and bin storage, following the demolition of the existing bungalow.)

    12 Jun 2026 168m away Full applications
  • WEST LONDON MEDICAL CENTRE 20 PIELD HEATH ROAD UXBRIDGE UB8 3NG

    Erection of garden wall to the side (Application for a Certificate of Lawful Development for a Proposed Development)

    16 Jun 2026 172m away Full applications
  • 61 MICAWBER AVENUE HILLINGDON UB8 3NZ

    Erection of a single storey rear extension (glass conservatory)

    3 Jan 2023 195m away Full applications
  • 1 HOLLY COTTAGE MEWS HILLINGDON UB8 3US

    Erection of a single storey side/rear extension and conversion of garage into habitable room

    16 Jan 2023 237m away Full applications
  • 14-18 Pield Heath Road & 2 Pield Heath Avenue PIELD HEATH AVENUE HILLINGDON UB8 3NF

    Variation of Condition 2 (Approved Plans) of planning permission ref. 76760/APP/2022/1889 dated 11-12-2023 (Demolition of three dwellings and one Bed and Breakfast, and the subsequent erection of a care home) to allow installation of sub-station and screening to the roof terrace for screening of the external plant equipment.

    13 Feb 2025 285m away Full applications
  • 14-18 Pield Heath Road & 2 Pield Heath Avenue PIELD HEATH AVENUE HILLINGDON UB8 3NF

    Non-material amendment to planning permission ref: 76760/APP/2022/1889, dated 20-12-22, as previously amended by non-material amendment ref: 76760/APP/2024/1470, dated 01-07-24 (Demolition of three dwellings and one Bed and Breakfast, and the subsequent erection of a care home) to allow installation of sub-station and louvred screening to roof terrace

    16 Oct 2024 285m away Full applications

In Hillingdon

  • UNION WHARF BENTINCK ROAD WEST DRAYTON MIDDLESEX UB7 7RP

    Replacement of external materials from spandrel panels to non-combustible alternative (aluminium spandrel panels, replacement of two timber soffits at rear to non-combustible material.

    2 Apr 2026 Full applications
  • 3 BELMONT CLOSE UXBRIDGE UB8 1RF

    Installation of 3no. roof lights, side door, porch and change of elevation finish from render to brickwork

    2 Apr 2026 Full applications
  • 70 BRACKENBRIDGE DRIVE RUISLIP HA4 0LZ

    Change of use from Class C3 (dwellinghouse) to Class C4 (small HMO for up to 5-persons)

    23 Feb 2026 Full applications
  • 22 BURBRIDGE GARDENS UXBRIDGE UB10 0GE

    Conversion of roof space to habitable use, including the installation of side-facing rooflights and front and rear gable-end windows (amended drawings and description)

    18 May 2026 Full applications
  • 171 TUDOR ROAD HAYES UB3 2QG

    Erection of a 1no dwellinghouse with associated parking, landscaping, and bike and bin storage, following demolition of existing side extension.

    6 Jun 2026 Full applications