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Planning agent

OSO Designs

A design practice. 22 planning applications on PlanIndex across 7 councils . On the register from 2021 to 2026.

10 granted and 4 refused of 14 decided applications in our index. A record of decisions already made, not a forecast of the next one.

Where they work

What they file

  1. Householder30%
  2. Full applications25%
  3. Conditions15%
  4. Prior approval15%
  5. Amendments10%

Track record

The 10 most recent applications naming this firm

  • 26/0908/PD42 Decided

    45 Highview Gardens Potters Bar Hertfordshire EN6 5PN

    Single storey rear extension. Depth: 6m, Height: 3m, Eaves: 3m.

    Decided 29 Jul 2026
  • 26/0653/HSE Awaiting decision

    45 Highview Gardens Potters Bar Hertfordshire EN6 5PN

    Construction of part single, part two storey side and rear extension with associated roof works.

    Submitted 13 May 2026 Householder
  • 26/0652/PD42 Decided

    45 Highview Gardens Potters Bar Hertfordshire EN6 5PN

    Single storey rear extension Depth: 6.00m, Height: 3.00m, Eaves: 3.00m.

    Decided 23 Jun 2026
  • P2025/2756/FUL Granted

    92 Englefield Road, London, N1 3LG

    Construction of an outbuilding

    Decided 12 Mar 2026 Householder
  • 26/0011/CON Awaiting decision

    43 Wentworth Park London N3 1YH

    Submission of details of condition 6 (Obscure Glazing) 7 (Cycle Parking and Storage) 8 (Amenity Space) 9 (Enclosures- Refuse) 10 (Emissions-Carbon Dioxide) 11 (Sound Insulation Certs) pursuant to planning appeal APP/N5090/W/22/3295798 dated 31/01/2023 planning ref 21/4025/FUL

    Submitted 5 Jan 2026 Conditions
  • 25/3502 Granted

    46 Liddell Gardens, London, NW10 3QD

    Prior approval for a single storey rear extension to dwellinghouse, in metres: Extending beyond the rear wall of the original house - 4.0m Maximum height - 3.0m Eaves height - 3.0m

    Decided 14 Jan 2026 Prior approval
  • 25/3214 Refused

    46 Liddell Gardens, London, NW10 3QD

    Proposed dropped kerb for vehicular access to the dwellinghouse

    Decided 21 Jan 2026 Householder
  • 25/4559/HSE Granted

    3 The Drive Barnet EN5 4JG

    Single storey side/rear infill extension with 3no. rooflights following demolition of the existing conservatory

    Decided 9 Jan 2026 Householder
  • 25/3081 Granted

    49A Melrose Avenue, London, NW2 4LH

    Proposed single storey side infill and rear extension, replacement of rear window and door with window, removal of side window, installation of frosted window to side elevation and single storey outbuilding in rear garden of the ground floor flat.

    Decided 28 Jan 2026 Full applications
  • 25/3087 Refused

    46 Liddell Gardens, London, NW10 3QD

    Prior approval for a single storey rear extension to dwellinghouse, in metres: Extending beyond the rear wall of the original house - 6m Maximum height - 3m Eaves height - 3m

    Decided 8 Dec 2025 Prior approval

12 more applications on record

Trade members see everything this firm has filed, filter it by council and outcome, and get an email the day it files again.

See the full track record

From council registers and Companies House. Counts describe the records we hold, not a firm's complete history. Request a correction or removal.