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Planning application

26/04929/P3JPA

8 - 10 Hallam Street London W1W 6JE

Awaiting decision Westminster Prior Approval Class E to Dwellings (MA)

Proposal

Application for Prior Approval under Class MA, Part 3 of Schedule 2 of the Town and Country Planning (General Permitted Development) (England) Order 2015 (as amended) for the conversion of the existing office accommodation (Class E) to provide 6 residential dwellings.

As published by the council, reference 26/04929/P3JPA

Timeline

Dates from the published record

  1. 23 Jul 2026

    Received by Westminster

  2. 1 Aug 2026

    Added to PlanIndex

  3. Decision

    Awaiting decision

    The statutory target is eight weeks for most applications and thirteen for major development. Extensions of time are common.

What happens while it is decided

The process from here

This application is with Westminster 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.

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

  • 26/04972/FULL Awaiting decision

    8 - 10 Hallam Street London W1W 6JE

    The erection of residential rear roof extension, rear first floor extension and external terraces, adjustment of rear facade window positions, installation of a dormer window and multipane windows to No.10 to match No.12, refurbishment of all existing windows, installation of plant equipment and associated works.

    24 Jul 2026 0m away Full applications
  • 26/02096/FULL Awaiting decision

    8 - 10 Hallam Street London W1W 6JE

    The erection of rear roof extension, rear first floor extension and external terraces, internal alterations to create level floorplates and associated adjustment of rear facade window positions, installation of a dormer window and multipane windows to 10 to match 12, refurbishment of all existing windows, installation of plant equipment and associated works.

    30 Mar 2026 5m away Full applications
  • 25/06730/AD7 Granted

    14 Hallam Street London W1W 6JG

    Display for a temporary period of six months of a non-illuminated estate agent board located on the railings infront of the building, measuring 0.45m x 0.6m.

    18 Sep 2025 16m away Advertising
  • 07/04483/AD7 Granted

    111 - 113 Great Portland Street London W1W 6QG

    Display for a temporary period of six months of a non-illuminated 'to let' board located on the face of the building at a height of between 3m and 4.6m above pavement level and measuring 1.2m x 0.9m.

    22 May 2007 27m away Advertising
  • 06/08805/AD7 Granted

    111 - 113 Great Portland Street London W1W 6QG

    Display of non-illuminated estate agent board measuring 1200mm x 900mm to be attached to the building at a height of between 3m and 4.6m from pavement level for a temporary period of six months.

    2 Nov 2006 27m away Advertising
  • 05/08006/AD7 Granted

    111 - 113 Great Portland Street London W1W 6QG

    Display of non-illuminated estate agent board measuring 1200mm x 900mm to be attached to the building at a height of between 3m and 4.6m from pavement level for a temporary period of six months.

    3 Oct 2005 27m away Advertising

In Westminster

  • 26/03606/DPAD Awaiting decision

    6 Crompton Street London W2 1ND

    Demolition of the main building down to the ground floor and retain and cap off the existing basement; demolition of external garages and the boundary walls retained; and new boundary wall or fencing.

    2 Jun 2026 Prior approval
  • 26/03580/P3JPA Awaiting decision

    Leconfield House Curzon Street London W1J 5JA

    Prior approval for change of use from commercial (Class E) to residential (Class 3) at Leconfield House, Curzon Street under Schedule 2, Part 3, Class MA (Commercial, business and service to dwelling houses).

    1 Jun 2026 Prior approval
  • 26/01145/P3JPA Granted

    Stone House 9 Weymouth Street London W1W 6DB

    Change of use of ground floor of 9 Weymouth Street, a Commercial, Business, Services (Use Class E) to Dwellinghouses (Use Class C3) Town and Country Planning (General Permitted Development) (England) Order 2015 (as amended) under Schedule 2, Part 3, Class MA (Commercial, business and service to dwelling houses).

    24 Feb 2026 Prior approval
  • 26/02098/P3JPA Awaiting decision

    44 Ebury Mews East London SW1W 9QA

    Notification for Prior Approval under Class MA, Part 3 of Schedule 2 of the Town and Country Planning (General Permitted Development) (England) Order 2015 (as amended) for the conversion of the existing office accommodation (Class E) to provide one residential dwelling.

    30 Mar 2026 Prior approval
  • 26/02097/P3JPA Awaiting decision

    40 - 42 Ebury Street London SW1W 0LU

    Notification for Prior Approval under Class MA, Part 3 of Schedule 2 of the Town and Country Planning (General Permitted Development) (England) Order 2015 (as amended) for the conversion of the existing office accommodation (Class E) to provide two residential dwellings.

    30 Mar 2026 Prior approval