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Planning application

DC/26/144273

11 HORNCASTLE ROAD, LONDON, SE12 9LH

Awaiting decision Lewisham Householder Application

Proposal

Ground floor rear extension and internal alterations at 11 Horncastle Road, SE12

As published by the council, reference DC/26/144273

Timeline

Dates from the published record

  1. 9 Jun 2026

    Received by Lewisham

  2. 25 Jul 2026

    Added to PlanIndex

  3. 28 Jul 2026

    Status changed to Awaiting decision

    Previously Registered.

  4. 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 Lewisham 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 householder applications

How this application type works

Householder applications cover work to an existing house and its garden: extensions, loft and garage conversions, porches, outbuildings and similar alterations within the boundary of the home. They cannot be used to create a separate dwelling or change what the building is used for. Councils aim to decide them within eight weeks, and immediate neighbours are usually notified and given a chance to comment.

More on householder applications in our guide

Nearby applications

Within 500 metres

  • DC/19/112799 Refused

    4 HORNCASTLE CLOSE, LONDON, SE12 9LQ

    An application submitted under Section 96a of the Town & Country Planning Act 1990 for a non material amendment in connection with the planning permission (DC/16/098159) dated 22 November 2016 for the construction of a single storey extension and extension at first floor level to the rear at 4 Horncastle Close SE12:- in order to enlarge the floor area to the ground and first floor extensions.

    21 Jun 2019 54m away Amendments
  • DC/19/113510 Granted

    34 HORNCASTLE ROAD, LONDON, SE12 9LA

    Prior approval for the construction of a single storey rear extension at 34 Horncastle Road, SE12. The proposal would measure 3.7m beyond the rear wall of the property, with a maximum height of 3.8m and an eaves height of 2.7m.

    13 Aug 2019 57m away Prior approval
  • DC/25/142452 Refused

    30 HORNCASTLE ROAD, LONDON, SE12 9LA

    Construction of a front porch and single-storey front extension at 30 Horncastle Road, SE12.

    16 Dec 2025 57m away Householder
  • DC/19/112623 Granted

    77 BURNT ASH HILL, LONDON, SE12 0AQ

    The alteration and extension of 77 Burnt Ash Hill SE12 to enable conversion of the property into 4 new flats complete with new roof lights, new external bin stores, cycle spaces and the increase/decrease of internal floor heights of 77 & 77A Burnt Ash Hill.

    8 Jun 2019 117m away Full applications
  • DC/26/143627 Awaiting decision

    79 BURNT ASH HILL, LONDON, SE12 0AQ

    Conversion of the 79 Burnt Ash Hill SE12 and the construction of a two storey extension at the rear to provide 3 self-contained flats, together with the installation of replacement windows and new double doors and juliet balconies in the rear elevation, provision of cycle and refuse storage, new brick walls, metal railings and gates to the front and side elevations, alterations to existing lightwells and the upgrading of the existing fabric and all associated works.

    9 Apr 2026 117m away Full applications
  • DC/19/113862 Granted

    31 KINGSHURST ROAD, LONDON, SE12 9LD

    Lawful Development Certificate (Proposed) for the construction of a hip-to-gable roof extension and rear roof dormer and insertion of three rooflights to front roofslope, at 31 Kingshurst Road, SE12

    13 Sep 2019 141m away Lawful development

In Lewisham

  • DC/26/144214 Refused

    54A ALLERFORD ROAD, LONDON, SE6 3DF

    Erection of a single-storey rear extension, roof extensions including side/rear dormer structures and rooflights, installation of a front entrance canopy, and associated internal and external alterations at 54A Allerford Road SE6.

    2 Jun 2026 Householder
  • DC/26/143542 Granted

    163 ALGERNON ROAD, LONDON, SE13 7AP

    Refurbishment and extension of the dwellinghouse, including the construction of a lower ground floor rear extension with rear terrace above and front lightwell, alterations to the existing rear roof extension, replacement windows, doors and roof covering, installation of roof mounted solar panels, and an air source heat pump at 163 Algernon Road, SE13 and associated front garden alterations including boundary treatment and refuse storage.

    30 Mar 2026 Householder
  • DC/26/144235 Granted

    34 EWHURST ROAD, LONDON, SE4 1AQ

    Construction of a single storey, ground floor rear and infill extension at 34 Ewhurst Road, SE4.

    3 Jun 2026 Householder
  • DC/26/144148 Granted

    79 WHITEFOOT LANE, BROMLEY, BR1 5SA

    Covering up existing red brick with sand and cement render on the external facade at 79 Whitefoot Lane, BR1.

    27 May 2026 Householder
  • DC/26/144186 Granted

    18 MICHELDEVER ROAD, LONDON, SE12 8LX

    Installation of replacement double glazed windows in the front elevation at 18 Micheldever Road SE12.

    29 May 2026 Householder