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Planning application

12 Mabledon Place London WC1H 9AZ

Refused Camden 2018/6282/P Full Planning Permission

Works: Extension Small domestic

Read from the description, not a valuation. How we read the register

Refused. Only the applicant can appeal, within the statutory time limit, and a revised scheme can be submitted instead.

Proposal

Erection of single storey roof extension.

As published by the council, reference 2018/6282/P

Application record

Reference
2018/6282/P
Type
Full Planning Permission
Status
Refused As published: REGISTERED
Decision
Refused
Received
19 Dec 2018
Validated
30 Jan 2019
Decided
13 Nov 2023
Ward
Kings Cross (Pre May 2022)
Postcode
WC1H 9AZ

Site history

Applications at this address on the Camden register

This site has had 7 applications since 2018: 2 approved, 4 refused.

  • 2024/2374/L Withdrawn

    12 Mabledon Place London WC1H 9AZ

    Erection of mansard roof extension.

    Decided 9 Aug 2024 Heritage and listed buildings
  • 2024/1649/P Refused

    12 Mabledon Place London WC1H 9AZ

    Erection of mansard roof extension to create one additional HMO room.

    Decided 5 Aug 2024 Full applications
  • 2024/2262/L Refused

    12 Mabledon Place London WC1H 9AZ

    Erection of a mansard roof extension.

    Decided 5 Aug 2024 Heritage and listed buildings
  • 2024/1072/T Granted

    12 Mabledon Place London WC1H 9AZ

    REAR GARDEN: 1 x London Plane (T1) - Prune back to previous points

    Decided 1 May 2024 Trees
  • 2019/0586/L Refused

    12 Mabledon Place London WC1H 9AZ

    Erection of single storey roof extension.

    Decided 13 Nov 2023 Heritage and listed buildings
  • 2019/5543/T Granted

    12 Mabledon Place London WC1H 9AZ

    REAR GARDEN: 1 x London Plane - Reduce by 30% - 35% and thin out by 40 - 50%.

    Decided 9 Apr 2021 Trees

Timeline

Dates from the published record

  1. 19 Dec 2018

    Received by Camden

  2. 30 Jan 2019

    Validated

    Checked as complete and ready for consideration.

  3. 13 Nov 2023

    Decision issued: Refused

  4. 22 Jul 2026

    Added to PlanIndex

  5. 17 Sep 2026

    Status changed to REGISTERED

    Previously Final Decision.

Documents

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

11 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.

Watch members (£5 a month) open the document list from here.

Open the documents

What this refusal means

Camden refused this application for the reasons on the decision notice; only the applicant can appeal, and refused schemes often return in revised form. More in our guide to what happens after a planning decision.

About full applications

A full application seeks permission for a complete, detailed proposal in one go, with siting, design, access and landscaping all fixed at this stage. More in our guide to planning application types.

Nearby applications

Within 0.3 miles

In Camden

  • 2026/0990/P Refused

    1 Bleeding Heart Yard & 19 Greville Street London EC1N 8SJ

    Change of use from office space and restaurant use (Class E) and members club (Sui Generis) to affordable workspace and restaurant use (Class E) and 1 x residential unit on the third and fourth floors (Class C3). Erection of a two-storey roof extension across 19 Greville Street and 1 Bleeding Heart Yard, including alterations at second-floor level to the interior courtyard elevation, ground-floor fenestration changes, and a roof terrace for the associated residential unit.

    Received 26 Mar, published by the council 24 Jul 2026 Full applications
  • 2026/3044/P Granted

    London Irish Centre 50-52 Camden Square London NW1 9XB

    Details to discharge Condition 25 Part A (Air Quality Monitoring) of planning permission ref. 2020/1481/P dated 17/05/24 for 'Redevelopment of site to provide new and reconfigured community centre and ancillary residential accommodation (Class D1/ D2) involving alterations to retained buildings at No's. 50, 51 and 52 Camden Square including replacement of two storey 'link' building; demolition of Murray Street and Murray Mews buildings and replacement with part-three / part-four storey building (plus basement level) with second and third floor terraces and new entrance; associated landscaping and cycle parking'.

    Received 20 Jul, published by the council 2 Aug 2026 Full applications
  • 2026/4338/P Awaiting decision

    32 Willoughby Road London NW3 1RU

    Details to discharge condition 6 (tree protection methods) of planning permission 2025/4186/P granted 13/11/2025 for 'Demolition of existing two storey outrigger and replacement with part two-storey, part single storey rear extension, loft conversion with dormer and roof light to main roof at rear, new windows to flanking wall, replacement of existing windows and installation of a gate and fence to side'.

    Received 5 Oct, published by the council 9 Oct 2026 Full applications
  • 2026/4141/P Awaiting decision

    24 Endell Street London WC2H 9HQ

    Relocation of three air conditioning condenser units to first floor roof, construction of an acoustic enclosure and other associated works.

    Received 5 Oct, published by the council 9 Oct 2026 Full applications
  • 2026/3907/P Awaiting decision

    Flat 1 16 Lyndhurst Road London NW3 5NL

    External renovations to the front of the property, including works to the entry porch, steps, replacment front door, installation of metal railings to boundary wall and paving to front garden and erection of a glass roof to the side passage to create a bike shelter.

    Received 5 Oct, published by the council 9 Oct 2026 Full applications