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Planning application

20/AP/2561

66 Underhill Road London Southwark SE22 0QT

Granted Southwark Certificate of Lawful Dev. - Proposed

Proposal

Certificate of lawfulnesss (Proposed) for the construction of a single storey garden room with solar panels on roof and outdoor swimming pool in the rear amenity space

As published by the council, reference 20/AP/2561

Timeline

Dates from the published record

  1. 9 Sep 2020

    Received by Southwark

  2. 10 Sep 2020

    Validated

    Checked as complete and ready for consideration.

  3. 7 Oct 2020

    Decision issued: Certificate of Lawfulness Prop- GRANTED

  4. 29 Jul 2026

    Added to PlanIndex

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 lawful development applications

How this application type works

A lawful development certificate is a legal determination, not a planning judgement. It asks the council to confirm either that existing use or works are lawful, often through the passage of time, or that a proposal would not need planning permission at all. The applicant must prove the facts; the merits of the scheme are not considered.

More on lawful development applications in our guide

Nearby applications

Within 500 metres

  • 26/AP/1603 Granted

    78 Underhill Road London Southwark SE22 0QT

    Works to a tree with a TPO: T1 Oak tree - Tip back existing 8m lateral branches over neighbours and rear garden by 1.5m to the previous points. Remove epicormic trunk growth as shown up to main crown break. No further removal of epicormic growth within the crown beyond that shown and agreed. Remove deadwood over 25mm in diameter. Height and form to be retained. Reasons: To increase available light to the garden and control development

    5 Jun 2026 59m away Trees
  • 20/AP/2709 Granted

    Cedar Lodge And Willow Lodge 71 & 73 Wood Vale London Southwark

    Details of Condition 4 - Landscape plans as required by LBS Planning permission 17/AP/0708 granted 24.04.1917 (Construction of additional penthouse floor to provide 1x1 bedroom flat and 2x2 bedroom flats.)

    21 Sep 2020 71m away Conditions
  • 26/AP/2179 Awaiting decision

    85 Wood Vale London Southwark SE23 3DT

    Variation of Condition 1 (Approved Plans) for 25/AP/3157 'Single storey ground floor wrap around extension and side extension.' Amendment sought: Revise the finish materials of the proposed extension and increase the proposed height of the rear extension and patio

    23 Jul 2026 88m away Amendments
  • 26/AP/2282 Awaiting decision

    92A Underhill Road London Southwark SE22 0QU

    5-day notice under the dead and dangerous tree exemption

    31 Jul 2026 136m away Trees
  • DC/26/143350 Granted

    90 WOOD VALE, LONDON, SE23 3ED

    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/25/141507) dated 12 December 2025, in order to allow:- the construction of the bike store on a shallow concrete base, while retaining the approved mini-pile foundations for the refuse store area at 90 Wood Vale SE23.

    13 Mar 2026 137m away Amendments
  • DC/23/129957 Granted

    90 WOOD VALE, LONDON, SE23 3ED

    FRONT: THREE Pleached Horse Chestnuts (T1) (ht:5m, spread:3.5m) RE-POLLARD higher growth to previous pruning points at approx.ht.3.5m. Reason: routine maintenance of 'hedge on legs'. REAR: ONE Golden Willow (T2) (ht.13m, spread:7.7m) RE-POLLARD to ht.6.5m, and reshape. Reason: Tree is very rotten (white rot), health and safety concerns due to potential limb failure, casts excessive shade over the patio. (repeat of notice for same tree, weeping willow T1, ref DC/23/129883). REAR: ONE Dead Pear (T3) (ht:4.5m) FELL. Duty to replace applies. REAR: ONE Dead Pear (T4) (ht:5m) FELL. Duty to replace applies. REAR: ONE Leaning Plum (T5) (ht:6.5m, spread:2.5m) CROWN REDUCE by approx.2m to ht.4m. Reason: to mitigate lean. Informative A: the sensitive management of the front pleached trees for streetscape amenity, and rear trees for urban forest canopy/urban greening, wellbeing, wildlife, environmental benefits beside the Horniman Gardens nature trail along the disused railway to the rear is greatly appreciated. Informative B: please retain timber lying on site to create habitat wood piles, bury logs vertically in the ground 'Giants Causeway style' for stag beetle habitat, and lay cut branches between stakes as a 'dead hedge' for linear wildlife habitat and biodiversity. Informative C: please plant replacement pear or crab apple trees or similar. Duty to replace applies if a tree in a conservation area is removed because it is dead or presents a risk of serious harm: Tree Preservation Orders and trees in conservation areas, guidance, para 121.

    16 Jan 2023 137m away Trees

In Southwark

  • 26/AP/1647 Granted

    7 Medlar Street London Southwark SE5 0JU

    Certificate of lawfulness (proposed) for the construction of an L-shaped rear dormer extension and installation of 2no. rooflights to the front roof slope

    8 Jun 2026 Lawful development
  • 26/AP/2189 Awaiting decision

    Surrey Square Park Surrey Square London Southwark SE17 2JX

    Certificate of Lawfulness (existing) for refurbishment and reconfiguration of the existing children's playground and landscape improvements including new pathways and planting within Surrey Square Park.

    24 Jul 2026 Lawful development
  • 26/AP/2168 Awaiting decision

    150A Lower Road London Southwark SE16 2UG

    Certificate of lawfulness (proposed) for the change of use of a single dwellinghouse (Use Class C3) to a House in Multiple Occupation (Use Class C4) occupied by three unrelated individuals.

    22 Jul 2026 Lawful development
  • 26/AP/1618 Granted

    252 Barry Road London Southwark SE22 0JS

    Certificate of lawful development (proposed) for the construction of a rear dormer extension.

    5 Jun 2026 Lawful development
  • 26/AP/1577 Granted

    Residence Inn By Marriott London Bridge 201-211 Long Lane London SE1 4PN

    Certificate of lawfulness (proposed) for undertaking of facade remedial works to remove combustible cladding materials and replace with a like-for-like non-combustible cladding with no change to the outer aesthetics of the building.

    2 Jun 2026 Lawful development