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Planning application

Mattel UK Mattel House Vanwall Road Maidenhead SL6 4UB

Granted Windsor and Maidenhead 21/02067/CLASSO Class O Permitted Development

Works: New dwelling

Permission granted. Work must normally begin within three years of the decision or the permission lapses.

Proposal

Change of use from offices (Class B1(a)) to dwellinghouses (Class C3) to create x28 flats.

As published by the council, reference 21/02067/CLASSO

Application record

Reference
21/02067/CLASSO
Type
Class O Permitted Development
Status
Decided
Decision
Prior Approval Required and Granted
Received
5 Jul 2021
Validated
9 Jul 2021
Decided
1 Sep 2021
Ward
Oldfield
Parish
Maidenhead Unparished
Decision by
Delegated
Postcode
SL6 4UB

Timeline

Dates from the published record

  1. 5 Jul 2021

    Received by Windsor and Maidenhead

  2. 9 Jul 2021

    Validated

    Checked as complete and ready for consideration.

  3. 1 Sep 2021

    Decision issued: Prior Approval Required and Granted

  4. 3 Sep 2026

    Added to PlanIndex

Documents

Plans, drawings, consultee responses and the officer's report

35 documents on file for this application

A planning file usually holds the application form, drawings and site plans, consultee responses, the officer's report and the decision notice.

Trade members open them from here.

Open the documents

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 prior approval applications

How this application type works

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

Nearby applications

Within 500 metres

  • Mattel House Vanwall Road Maidenhead

    26/01624/CONDIT Submitted 2 Jul 2026 1m away

    Details required by Condition 5 (Hard Landscaping) and Condition 6 (Soft Landscaping) of planning permission 22/01391/FULL (allowed on appeal) for the construction of x91 residential units together with associated landscaping, car parking and infrastructure works, following demolition of the existing building.

    Granted Conditions Demolition 10 docs

  • Mattel UK Mattel House Vanwall Road Maidenhead SL6 4UB

    22/01391/FULL Submitted 20 May 2022 1m away

    Construction of x91 residential units together with associated landscaping, car parking and infrastructure works, following demolition of the existing building.

    Decided Full applications Demolition 76 docs

  • Land Adjacent To Maiden House Vanwall Road Maidenhead

    21/02803/CONDIT Submitted 16 Sep 2021 104m away

    Details required by condition 9 (drainage) of Planning Permision 19/03157/FULL for the Re-development of the car park at Maiden House to provide 14 residential units (3 x 1 bed; 8 x 2 bed and 3 x 3 bed) (Use Class C3), new landscaping, car parking, cycle store, bin store and associated works.

    Granted Conditions 10 docs

  • Monaco House Vanwall Road Maidenhead SL6 4FX

    22/01239/CONDIT Submitted 10 May 2022 104m away

    Details required by Condition 8 (Landscaping) of planning permission 19/03157/FULL for the re-development of the car park at Maiden House to provide 14 residential units (3 x 1 bed; 8 x 2 bed and 3 x 3 bed) (Use Class C3), new landscaping, car parking, cycle store, bin store and associated works.

    Granted Conditions 5 docs

  • Seiko S C House Vanwall Road Maidenhead SL6 4UW

    22/02087/FULL Submitted 29 Jul 2022 112m away

    x11 LED street lights on 5m columns to light commercial car park.

    Granted Full applications 17 docs

  • 3 Bramley Chase Maidenhead SL6 4BG

    25/03275/FULL Submitted 10 Dec 2025 177m away

    1no. detached outbuilding ancillary to the main dwelling and alterations to the height of the boundary treatment (retrospective).

    Refused Full applications 9 docs
    Small domestic

In Windsor and Maidenhead

  • 26/01822/PDXL Granted

    Highwood Corner Grubwood Lane Cookham Maidenhead SL6 9UB

    Single storey side/rear extension no greater than 8.00m in depth, 4.00m high with an eaves height of 3.80m.

    24 Jul 2026 Prior approval
  • 26/01846/PDXL Granted

    24 New Road Datchet Slough SL3 9JB

    Single storey rear extension no greater than 4.00m in depth, 3.20m high with an eaves height of 3.00m.

    27 Jul 2026 Prior approval
  • 26/01740/PDXL Granted

    Oak Tree Farm Twyford Road Binfield Bracknell RG42 5QD

    Single storey rear extension no greater than 7.06m in depth, 3.40m high with an eaves height of 3.40m.

    15 Jul 2026 Prior approval
  • 26/01646/PDXL Granted

    12 Islet Park Drive Maidenhead SL6 8LF

    Single storey rear extension no greater than 5.30m in depth, 3.88m high with an eaves height of 2.61m.

    6 Jul 2026 Prior approval
  • 26/02001/CLAMA Awaiting decision

    158 Blackamoor Lane Maidenhead SL6 8RN

    Prior approval for the change of use of the ground floor from Use Class Eg(iii) to form 8 no. x 1 bedroom flats.

    13 Aug 2026 Prior approval