Skip to content
PlanIndex Get alerts
Menu

Planning application

20 Downshire Hill London NW3 1NT

Granted Camden 2011/3254/L Heritage and listed buildings

Works: Extension Domestic

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

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

Proposal

Internal and external alterations in association with erection of replacement two storey rear extension at ground and first floor levels and excavation of enlarged basement level to single family dwellinghouse (Class C3).

As published by the council, reference 2011/3254/L

Application record

Reference
2011/3254/L
Category
Heritage and listed buildings
Status
Final Decision
Decision
Granted
Decided
4 Nov 2011
Postcode
NW3 1NT

Site history

Applications at this address on the Camden register

This site has had 19 applications since 2011: 16 approved, 0 refused.

  • 2025/0381/T Granted

    20 Downshire Hill London NW3 1NT

    REAR GARDEN: 2 x Portuguese Laurels (T1 & T2) - Reduce lateral and sub lateral branches overhanging No. 20 by approx. 1.5m - 1.7m pruning to suitable growth points and upright shoots where practicable. 1 x Pittosporum (T3) - Trim overhang back to as near to the boundary as practicable approx. 1.2m. FRONT GARDEN: 1 x Magnolia (T4 - Reduce back to previous and most recent points approx. 1.2m. Thin crown density by 20%. Raise crown over pavement by up to 1m.

    Decided 26 Feb 2025 Trees
  • 2024/2834/T Granted

    20 Downshire Hill London NW3 1NT

    REAR GARDEN: 1 x Acer (T1) - Thin crown density throughout by approx. 20%. 1 x Ginkgo (T2) - Fell to ground level. 1 x Judas tree: (T3) - Remove minor front stems overhanging the garden space. Thin crown density by approx. 20%. Reduce over extended branches (top prune) back into main crown structure approx. 0.5m to central crown height and spread. 1 x Ceanothus (T4) - Fell to ground level.

    Decided 5 Aug 2024 Trees
  • 2023/1213/T Granted

    20 Downshire Hill London NW3 1NT

    FRONT GARDEN: 1 x Magnolia (T1) - Reduce back to previous and most recent reduction points approx. up to 1m. Thin crown density by 20%. Raise crown by approx. 1m.

    Decided 25 Apr 2023 Trees
  • 2021/6022/T Granted

    20 Downshire Hill London NW3 1NT

    REAR GARDEN: 2 x Apple (Malus) - Fell to ground level and grind out stumps.

    Decided 7 Jan 2022 Trees
  • 2021/0671/P Granted

    20 Downshire Hill London NW3 1NT

    Dismantling and rebuilding of the 20th century portico to the ground floor front elevation

    Decided 14 Sep 2021 Full applications
  • 2021/1645/L Granted

    20 Downshire Hill London NW3 1NT

    Dismantling and rebuilding of the 20th century portico to the ground floor front elevation.

    Decided 14 Sep 2021 Heritage and listed buildings
  • 2021/0354/T Granted

    20 Downshire Hill London NW3 1NT

    FRONT GARDEN: 1 x Magnolia (T1) - Reduce crown back to previous, most recent reduction points (approx. 1.5m), whilst preserving a suitable amount of furnishing growth to ensure crown continuity. Thin remain crown density by 20%. Raise crown by approximately 1m.

    Decided 16 Feb 2021 Trees
  • 2019/0866/T Granted

    20 Downshire Hill London NW3 1NT

    REAR GARDEN: Olives - Reduce crown by 20-25% Chinese Privet - Reduce height of tree line by approximately 2m and thin crown densities by 20%. FRONT GARDEN: Cotoneaster - Raise over pavement by 0.5m and reduce crown by approximately 20% by means of reducing extraneous branches back into the main crown structure.

    Decided 11 Mar 2019 Trees
  • 2017/6233/T Granted

    20 Downshire Hill London NW3 1NT

    REAR GARDEN: Group of Olive trees - Reduce crowns by approx 20-25%

    Decided 30 Nov 2017 Trees
  • 2017/6157/T Granted

    20 Downshire Hill London NW3 1NT

    REAR GARDEN: Row of Chinese Privets: Reduce height to previous hedge line height, remove last tree in the row Group of Ginkgoes: Prune back from acer, trim by 15% 2 x Malus - Reduce crowns by 15% 1 x Cotoneaster: Raise crown over pavement by 0.5m - 1m, reduce crown by approx 20%

    Decided 30 Nov 2017 Trees

Timeline

Dates from the published record

  1. 4 Nov 2011

    Decision issued: Granted

  2. 22 Jul 2026

    Added to PlanIndex

Cases linked to this one on the register

1 later application on the register refers to this one:

  • 2012/4840/L Granted

    20 Downshire Hill London NW3 1NT

    Details of condition 4A (details of new stair from first to ground) and B (door openings) pursuant to listed building consent (2011/3254/L) dated 04/11/2011 for: Internal and external alterations in association with erection of replacement two storey rear extension at ground and first floor levels and excavation of enlarged basement level to single family dwellinghouse (Class C3).

    Decided 27 Nov 2012 Heritage and listed buildings

What this grant of permission means

Camden granted permission on 4 November 2011, subject to any conditions on the decision notice. Work must normally begin within three years or the permission lapses. More in our guide to what happens after a planning decision.

About heritage and listed building applications

Listed building consent is needed for works that affect the special interest of a listed building, and carrying out such works without it is a criminal offence. More in our guide to planning application types.

Nearby applications

Within 0.3 miles

  • 20 Downshire Hill London NW3 1NT

    2011/0391/L 50 yards away

    Internal and external alterations in association with erection of a single storey rear extension, a basement extension and lightwell to residential dwelling.

    Withdrawn Heritage and listed buildings Extension
    Small domestic

  • 20 Downshire Hill London NW3 1NT

    2012/4840/L 50 yards away

    Details of condition 4A (details of new stair from first to ground) and B (door openings) pursuant to listed building consent (2011/3254/L) dated 04/11/2011 for: Internal and external alterations in association with erection of replacement two storey rear extension at ground and first floor levels and excavation of enlarged basement level to single family dwellinghouse (Class C3).

    Granted Heritage and listed buildings Extension
    Domestic

  • 20 Downshire Hill London NW3 1NT

    2015/5809/T 50 yards away

    FRONT GARDEN: 1 x Magnolia - Crown reduction by 20%, Thin by 10%, and lift to allow for better access for cars and pedestrians.

    Granted Trees

  • 20 Downshire Hill London NW3 1NT

    2021/0671/P 50 yards away

    Dismantling and rebuilding of the 20th century portico to the ground floor front elevation

    Granted Full applications

  • 20 DOWNSHIRE HILL LONDON NW3 1NT

    2012/1422/T 50 yards away

    (TPO Ref: C35) FRONT GARDEN: 1 x Magnolia - Pruned by 20% and clear height for pedestrians.

    Split decision Trees

  • 20 Downshire Hill London NW3 1NT

    2021/6022/T 50 yards away

    REAR GARDEN: 2 x Apple (Malus) - Fell to ground level and grind out stumps.

    Granted Trees

In Camden

  • 2026/1141/L Granted

    25 John Street London WC1N 2BS

    Internal and external alterations to partition layout at basement, supporting structures and external ground level, and alterations to design of conservatory, windows and doors granted under listed building consent 2024/0338/L dated 06/08/2024.

    Received 26 Mar, published by the council 24 Jul 2026 Heritage and listed buildings
  • 2025/1781/L Granted

    Frognal Rise House Lower Terrace London NW3 6RE

    Demolition of existing garage and interlinking gallery and replacement with new garage and garden room with link, new basement floor below garden, alterations to main house including replacement windows including reinstated oriel window and new French doors to entrance elevation, new roofing to side wing, new portico and replacement door to front elevation, enlargement of existing lightwell, replacement gates and canopy over entrance gate, restorations of boundary treatments, associated internal alterations including partial underpinning works and other minor alterations.

    Received 22 Apr, published by the council 22 Jul 2026 Heritage and listed buildings
  • 2026/4129/L Awaiting decision

    6 Leverton Street London NW5 2PJ

    Strip out kitchen including floor tiles and replace; replace plumbing and flooring in rear ensuite; replace plumbing in front ensuite and WC; replace internal doors; replace garden wall with metal railing; replace 3 rear windows, 3 rear elevation side windows, 1 rear door and 1 rear elevation side door with double-glazed crittal windows and doors; remove 2 rear windows; render rear elevation brickwork; and associated works.

    Received 1 Oct, published by the council 9 Oct 2026 Heritage and listed buildings
  • 2026/1686/L Granted

    Flat Ground and 1st Floor and Flat 2nd and 3rd Floor 14 Downshire Hill London NW3 1NR

    External and internal alterations in connection with conversion of two self-contained flats into a single-family dwellinghouse, including new doors at rear ground and second floor level, replacement windows at rear second and third floors level, removal of internal partitions, extending the stair handrail, and replacement internal doors, parquet flooring, skirting, architraves, cornicing, and fittings.

    Received 19 May, published by the council 24 Jul 2026 Heritage and listed buildings
  • 2026/2202/L Refused

    4 Hampstead Square London NW3 1AB

    Erection of conservatory to front elevation.

    Received 27 May, published by the council 24 Jul 2026 Heritage and listed buildings