Flat A 26 Eton Avenue London NW3 3HL

This site has had 8 applications since 2025: 6 approved, 0 refused.

• 2026/2511/L Awaiting decision

  Flat A 26 Eton Avenue London NW3 3HL

  Proposed internal refurbishments including floor and wall insulation and underfloor heating, roof insulation to existing single storey rear extension, installation of 1 x ASHP with associated acoustic enclosure and a replacement shed in rear garden and replacement of front windows.

  Submitted 20 Jul 2026 Heritage and listed buildings
• 2026/2477/P Awaiting decision

  Flat A 26 Eton Avenue London NW3 3HL

  Installation of 1 x ASHP with associated acoustic enclosure and a replacement shed in rear garden, roof insulation to existing single storey rear extension, and replacement of front windows.

  Submitted 20 Jul 2026 Full applications
• 2026/2471/P Granted

  Flat A 26 Eton Avenue London NW3 3HL

  Proposed elevational alterations to side and rear of the garden flat.

  Decided 10 Sep 2026 Full applications
• 2026/2510/L Granted

  Flat A 26 Eton Avenue London NW3 3HL

  Proposed internal alterations and external alterations to side and rear elevations of the garden flat.

  Decided 10 Sep 2026 Heritage and listed buildings
• 2026/2333/L Granted

  Flat A 26 Eton Avenue London NW3 3HL

  Replacement and alterations to front boundary treatment including new brick piers, installation of a centralised pedestrian gate and timber vehicular gates.

  Decided 3 Sep 2026 Heritage and listed buildings
• 2026/2314/P Granted

  Flat A 26 Eton Avenue London NW3 3HL

  Replacement and alterations to front boundary treatment including new brick piers, installation of a centralised pedestrian gate and timber vehicular gates.

  Decided 3 Sep 2026 Full applications
• 2025/4075/P Granted

  Flat A 26 Eton Avenue London NW3 3HL

  Proposed alterations to front elevation including replacement dormer windows, replacement front door, replacement windows with double glazing and new sliding gates fitted between existing gate posts; fenestration alterations to side elevation including alterations to existing window openings, replacement windows and doors and replacement down pipes; alterations to rear elevation including replacement of existing rooflights with conservation style rooflights, replacement of existing glazed balustrades with timber balustrades, replacement of existing ground floor windows and doors with original profiles, reinstating first floor original window and replacement down pipes.

  Decided 10 Dec 2025 Full applications

1. 16 Sep 2025

   Received by Camden

2. 10 Dec 2025

   Decision issued: Granted

3. 9 Aug 2026

   Added to PlanIndex

Camden granted permission on 10 December 2025, 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.

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.

• Flat A 26 Eton Avenue London NW3 3HL

  2026/2333/L Submitted 8 Jun 2026 50 yards away

  Replacement and alterations to front boundary treatment including new brick piers, installation of a centralised pedestrian gate and timber vehicular gates.

  Granted Heritage and listed buildings 2 docs

• Flat A 26 Eton Avenue London NW3 3HL

  2026/2314/P Submitted 8 Jun 2026 50 yards away

  Replacement and alterations to front boundary treatment including new brick piers, installation of a centralised pedestrian gate and timber vehicular gates.

  Granted Full applications 11 docs

• Flat A 26 Eton Avenue London NW3 3HL

  2025/4075/P Submitted 16 Sep 2025 50 yards away

  Proposed alterations to front elevation including replacement dormer windows, replacement front door, replacement windows with double glazing and new sliding gates fitted between existing gate posts; fenestration alterations to side elevation including alterations to existing window openings, replacement windows and doors and replacement down pipes; alterations to rear elevation including replacement of existing rooflights with conservation style rooflights, replacement of existing glazed balustrades with timber balustrades, replacement of existing ground floor windows and doors with original profiles, reinstating first floor original window and replacement down pipes.

  Granted Full applications Loft or dormer Windows or glazing 50 docs

• 36 Eton Avenue London NW3 3HL

  2016/1163/L 50 yards away

  Conversion of 2x self-contained flats (1x 2-bed and 1x 3-bed) to create 1x 4-bed self-contained flat on the lower and upper ground floors; alterations to openings; and associated works

  Granted Heritage and listed buildings New dwelling

• Flat B 26 Eton Avenue London NW3 3HL

  2025/2970/P 50 yards away

  92% historically approved

  Installation of decking and replacement railing to existing rear roof terrace.

  Awaiting decision Full applications

• Flat B 26 Eton Avenue London NW3 3HL

  2025/3176/L 50 yards away

  96% historically approved

  Installation of decking and replacement railing to existing rear roof terrace.

  Awaiting decision Heritage and listed buildings

• 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