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Mosaic Building Design

A design practice registered in London. 43 planning applications on PlanIndex across 10 councils . On the register from 2018 to 2026.

30 granted and 6 refused of 36 decided applications in our index. A record of decisions already made, not a forecast of the next one.

Where they work

  1. Brent19

    74% approved here, against 78% for the council

  2. Old Oak and Park Royal Development Corporation8

    100% approved here, against 87% for the council

  3. Newham4
  4. Ealing4
  5. Hertsmere2
  6. Sutton2
  7. Cambridge1
  8. Barnet1
  9. Enfield1
  10. South Oxfordshire1

What they file

  1. Lawful development40%
  2. Householder30%
  3. Full applications16%
  4. Prior approval12%
  5. Amendments2%

Company record

From Companies House. Company information only; we never show personal contact details.

Registered name
MOSAIC BUILDING DESIGN LTD
Company number
10853256
Status
Active
Incorporated
6 July 2017
Registered in
London

Track record

The 10 most recent applications naming this firm

  • 263038HH Awaiting decision

    74 Studley Grange Road Hanwell W7 2LX

    Single storey side and rear extension

    Submitted 7 Aug 2026 Householder
  • 262750FUL Awaiting decision

    162 Boston Road Hanwell W7 2HJ

    Construction of dwellinghouse to rear with provision of cycle storage, bin storage (following demolition of garage); alterations to side boundary wall; installation of doors to side elevation; external alterations; installation of steps to rear of existing dwellinghouse

    Submitted 13 Jul 2026 Full applications
  • 262750FUL Awaiting decision

    162 Boston Road Hanwell W7 2HJ

    Construction of dwellinghouse to rear with provision of cycle storage, bin storage (following demolition of garage); alterations to side boundary wall; installation of doors to side elevation; external alterations; installation of steps to rear of existing dwellinghouse

    Submitted 13 Jul 2026 Full applications
  • 26/00900/PREHH Granted

    67 Tarling Road Canning Town London E16 1HN

    Prior notification application for the construction of a single-storey ground floor rear extension. The details submitted are as follows: The proposed extension will extend beyond the rear wall by 4.50m The maximum height of the proposed extension from the natural ground level is 3.45m The height at eaves level of the proposed extension measured from the natural ground level is 3.00m

    Decided 9 Jun 2026 Prior approval
  • 26/1041 Granted

    122 Palermo Road, London, NW10 5YN

    Certificate of lawfulness for proposed rear dormer window with 3x front rooflights to the dwellinghouse.

    Decided 23 Jun 2026 Lawful development
  • 26/0971 Refused

    122 Palermo Road, London, NW10 5YN

    Prior approval for a single storey rear extension to dwellinghouse, in metres: Extending beyond the rear wall of the original house - 4.5m Maximum height - 3.4m Eaves height - 2.72m

    Decided 27 May 2026 Prior approval
  • 26/0608/HSE Granted

    6 Uphill Drive London NW7 4RR

    Part single, part two storey side and rear extension following demolition of the existing extension and garage. Single storey front porch extension. New crown roof with front, side and rear rooflights. Creation and alterations to the existing window openings and changes to fenestration. Erection of a front boundary wall with associated piers, railings and gates.

    Decided 14 Apr 2026 Householder
  • DM2025/01301 Granted

    224 Stanley Park Road Carshalton SM5 3JP

    Non material amendment to approved application DM2023/01859 which allowed the 'Erection of a part one, part two storey side extension and a single storey rear extension including provision of a raised patio and landscaping to rear,' to remove the approved first floor extension from the approved scheme and change the approved description to 'Erection of a single storey side and rear extension and provision of a raised patio with steps to rear'.

    Decided 10 Dec 2025 Amendments
  • 25/01762/CLP Status unknown

    43 Langton Avenue East Ham London E6 6AN

    Application for a lawful development certificate (proposed) for loft conversion with rear dormer roof extension with three front roof lights and partial removal of a shared chimney stack. (amended description)

    Submitted 18 Aug 2025 Lawful development
  • 252629FUL Awaiting decision

    18 Horsenden Lane South Perivale UB6 8AB

    Conversion of dwellinghouse (C3) into HMO (Use Class Sui Generis) comprising 6 bedrooms for a maximum of 6 residents; associated amenity, cycle parking and waste storage spaces.

    Submitted 8 Jul 2025 Full applications

33 more applications on record

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