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Planning application

ROYAL OBSERVATORY, BLACKHEATH AVENUE, LONDON, SE10 8XJ

Granted Greenwich 26/1423/SD Submission of Details 8 Weeks

Relates to 25/2562/MA

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

Proposal

Submission of details pursuant to Condition 30 (BNG) and Condition 31 (BNG Habitat Management and Monitoring Plan) of planning permission dated 31/10/2025, Ref: 25/2562/MA

As published by the council, reference 26/1423/SD

Application record

Reference
26/1423/SD
Type
Submission of Details 8 Weeks
Status
Decided
Decision
Approve
Received
8 May 2026
Validated
8 May 2026
Decided
2 Jul 2026
Ward
GREENWICH PARK
Parish
Greenwich
Decision by
Delegation
Postcode
SE10 8XJ

Site history

Applications at this address on the Greenwich register

This site has had 7 applications since 2024: 7 approved, 0 refused.

  • 26/1054/SD Granted

    ROYAL OBSERVATORY, BLACKHEATH AVENUE, LONDON, SE10 8XJ

    Submission of details pursuant to discharge condition 6 (Materials-Entrance Pavilion), condition 7 (Materials- Astronomers Court Lift and Stair Lobby Building),condition 9 (Materials- New ASHP, Switch Room and Refuse Store Enclosures),condition 10 (Blackheath Avenue Railings and Gates Specification) and partial discharge condition 4a (Archaelogical Method Statement and interpretation plan) of planning permission reference 25/2562/MA dated 31/10/2025.

    Decided 9 Jul 2026 Conditions
  • 25/4251/F Granted

    ROYAL OBSERVATORY, BLACKHEATH AVENUE, LONDON, SE10 8XJ

    Erection of a external artist installation within the Meridian Courtyard adjacent to the Meridian Building for a temporary period between 03/03/2026 and 31/03/2028 and associated works [This application affects a scheduled monument and the setting of a number of Grade 1 and Grade 2 Listed Buildings].

    Decided 12 Mar 2026 Full applications
  • 25/2562/MA Granted

    ROYAL OBSERVATORY, BLACKHEATH AVENUE, LONDON, SE10 8XJ

    An application submitted under Section 73 of the Town & Country Planning Act 1990 for a minor material amendment in connection with the planning permission 24/2640/MA dated 18/11/2024 for 'Full Regeneration of the Royal Observatory Site including (but not limited to) demolition of the existing single storey ticketing office, installation of new entrance pavilion on the eastern perimeter of the site with supported garden walk structure; installation of an external elliptical access stair to the Great Equatorial Building, including new lift and overrun within the Meridian Building; extending the planetarium lobby to create new science engagement space, and connecting to the South Building facade; new access core from the planetarium terrace down to the infilled courtyard; new café kiosk in the Astronomers Garden; removal of gas boilers and introduction of new air source heat pumps and acoustic enclosure; associated switch room and relocated bin store on the southern perimeter of the site, new cycle stands, a site wide landscaping scheme, conservation repairs and other associated works [This application affects a scheduled monument and a number of Grade 1 and Grade 2 Listed Buildings' to allow: Variation of Condition 2 (Approved Drawings) for: Altered profile of the roof detail to the edge of the entrance pavilion, minor increase to the size of the fin walls Altered materiality of the Garden Walk Altered materiality and detailing of the Great Equatorial Telescope Access Stair Altered profile and extent of upper-level astronomers court benches Altered materiality and scale of the North Café Kiosk Altered extent of ramps and steps to the north south building Altered landscaping to the east side of north café kiosk Altered window detailing to Meridian Building and Great Equatorial Telescope Associated external alterations.

    Decided 31 Oct 2025 Amendments
  • 25/0105/F Granted

    ROYAL OBSERVATORY, BLACKHEATH AVENUE, LONDON, SE10 8XJ

    Refurbishment of the external access lift outside Flamsteed House, the erection of ancillary external storage space and a new timber handrail in the Astronomers' Garden. Associated erection of new security railing and other external alterations [This application affects a scheduled monument and a number of Grade 1 and Grade 2 Listed Buildings]

    Decided 6 Mar 2025 Full applications
  • 24/2640/F Granted

    ROYAL OBSERVATORY, BLACKHEATH AVENUE, LONDON, SE10 8XJ

    Full Regeneration of the Royal Observatory Site including (but not limited to) demolition of the existing single storey ticketing office, installation of new entrance pavilion on the eastern perimeter of the site with supported garden walk structure; installation of an external elliptical access stair to the Great Equatorial Building, including new lift and overrun within the Meridian Building; extending the planetarium lobby to create new science engagement space, and connecting to the South Building facade; new access core from the planetarium terrace down to the infilled courtyard; new café kiosk in the Astronomers Garden; removal of gas boilers and introduction of new air source heat pumps and acoustic enclosure; associated switch room and relocated bin store on the southern perimeter of the site, new cycle stands, a site wide landscaping scheme, conservation repairs and other associated works [This application affects a scheduled monument and a number of Grade 1 and Grade 2 Listed Buildings]

    Decided 18 Nov 2024 Full applications
  • 24/2641/A Granted

    ROYAL OBSERVATORY, BLACKHEATH AVENUE, LONDON, SE10 8XJ

    Installation of 6no. non-illuminated printed advertisement poster panels to the eastern railings of the Royal Observatory Site [This application affects a scheduled monument and a number of Grade 1 and Grade 2 Listed Buildings]

    Decided 18 Nov 2024 Advertising

Timeline

Dates from the published record

  1. 8 May 2026

    Received by Greenwich

  2. 2 Jul 2026

    Decision issued: Approve

  3. 26 Jul 2026

    Added to PlanIndex

Cases linked to this one on the register

  • 25/2562/MA Granted

    ROYAL OBSERVATORY, BLACKHEATH AVENUE, LONDON, SE10 8XJ

    An application submitted under Section 73 of the Town & Country Planning Act 1990 for a minor material amendment in connection with the planning permission 24/2640/MA dated 18/11/2024 for 'Full Regeneration of the Royal Observatory Site including (but not limited to) demolition of the existing single storey ticketing office, installation of new entrance pavilion on the eastern perimeter of the site with supported garden walk structure; installation of an external elliptical access stair to the Great Equatorial Building, including new lift and overrun within the Meridian Building; extending the planetarium lobby to create new science engagement space, and connecting to the South Building facade; new access core from the planetarium terrace down to the infilled courtyard; new café kiosk in the Astronomers Garden; removal of gas boilers and introduction of new air source heat pumps and acoustic enclosure; associated switch room and relocated bin store on the southern perimeter of the site, new cycle stands, a site wide landscaping scheme, conservation repairs and other associated works [This application affects a scheduled monument and a number of Grade 1 and Grade 2 Listed Buildings' to allow: Variation of Condition 2 (Approved Drawings) for: Altered profile of the roof detail to the edge of the entrance pavilion, minor increase to the size of the fin walls Altered materiality of the Garden Walk Altered materiality and detailing of the Great Equatorial Telescope Access Stair Altered profile and extent of upper-level astronomers court benches Altered materiality and scale of the North Café Kiosk Altered extent of ramps and steps to the north south building Altered landscaping to the east side of north café kiosk Altered window detailing to Meridian Building and Great Equatorial Telescope Associated external alterations.

    Decided 31 Oct 2025 Amendments

Who's behind it

Company information only, from the register and Companies House

The Planning Lab Agent, a planning consultancy

179 applications on PlanIndex · across 14 councils · 100% granted

Trade members see everything this firm has filed, how it was decided, and get an email the day it files again.

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Documents

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

8 documents on file for this application

  • Decision notice Decision Notice · 02 Jul 2026
  • Reports Report · 02 Jul 2026
  • Correspondance Correspondence · 15 May 2026
  • Biodiversity gain plan Document · 11 May 2026
  • Ecological appraisal Document · 11 May 2026
  • Habitat management and monitoring plan 2026 Document · 11 May 2026
  • The statutory biodiversity metric calculation tool Document · 11 May 2026
  • Application form redacted Application Form · 11 May 2026

Trade members open them from here.

Open the documents

What this grant of permission means

Greenwich granted permission on 2 July 2026, 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 condition discharge and variation applications

This application deals with conditions on an existing permission, supplying the details a condition requires or asking to vary or remove one, without reopening the permission itself. More in our guide to planning application types.

Nearby applications

Within 500 metres

  • NATIONAL MARITIME MUSUEM, ROYAL OBSERVATORY, BLACKHEATH AVENUE, LONDON, SE10 8XJ

    25/1248/SD Submitted 16 Apr 2025 0m away

    Submission of details pursuant to Condition 4 Part A (Archaeological Method Statement and Interpretation Plan), Condition 17 (Bird and Bat Boxes), Condition 18 (Invertebrate Houses), Condition 20 (Arboricultural Method Statement and Tree Protection Plan), Condition 21 (Soft landscaping and tree planting details), Condition 22 (Hard landscaping details), Condition 24 (Construction Management Plan), Condition 27 (Land contamination -Preliminary Risk Assessment), Conditions 29(a) and 29(b) (UXO), Condition 30 (BNG) and Condition 31 (BNG Habitat Management and Monitoring Plan) of Planning Permission dated 18/11/2024, Planning Ref: 24/2640/F. [amended description]

    Granted Conditions 31 docs
  • ROYAL OBSERVATORY, BLACKHEATH AVENUE, LONDON, SE10 8XJ

    25/0105/F Submitted 13 Jan 2025 0m away

    Refurbishment of the external access lift outside Flamsteed House, the erection of ancillary external storage space and a new timber handrail in the Astronomers' Garden. Associated erection of new security railing and other external alterations [This application affects a scheduled monument and a number of Grade 1 and Grade 2 Listed Buildings]

    Granted Full applications 8 docs
  • ROYAL OBSERVATORY, BLACKHEATH AVENUE, LONDON, SE10 8XJ

    26/1054/SD Submitted 1 Apr 2026 0m away

    Submission of details pursuant to discharge condition 6 (Materials-Entrance Pavilion), condition 7 (Materials- Astronomers Court Lift and Stair Lobby Building),condition 9 (Materials- New ASHP, Switch Room and Refuse Store Enclosures),condition 10 (Blackheath Avenue Railings and Gates Specification) and partial discharge condition 4a (Archaelogical Method Statement and interpretation plan) of planning permission reference 25/2562/MA dated 31/10/2025.

    Granted Conditions 17 docs
  • Meridian Building, Royal Observatory Gardens, Blackheath Avenue, Greenwich Park,Greenwich, London, SE10 8XJ

    09/0291/SD Submitted 3 Feb 2009 0m away

    Submission of details to part discharge condition 1 (Hard & Soft Landscaping of Meridian Gardens) of planning permission dated 13/11/08 (Ref:08/2565/F).

    Granted Conditions 6 docs
  • ROYAL OBSERVATORY, BLACKHEATH AVENUE, GREENWICH, SE10 8XJ

    09/0194/TC Submitted 20 Jan 2009 0m away

    Fell two fruit trees to the rear of Meridian Building to facilitate a safe disabled access to the buidlings.

    Granted Trees 8 docs
  • PARK EDGE TO THE WEST OF FLAMSTEED HOUSE, ROYAL OBSERVATORY, BLACKHEATH AVENUE, LONDON, SE10 8XJ

    26/0106/TC Submitted 13 Jan 2026 0m away

    T25 - Ficus Carica (fig) Fell and poison with Eco Plugs application T26 - Ficus Carica (fig) Fell and poison with Eco Plugs application T27 - Ficus Carica (fig) Fell and poison with Eco Plugs application

    Granted Trees 3 docs

In Greenwich

  • 26/1480/SD Granted

    HAINAULT HOUSE, HAINAULT STREET, NEW ELTHAM, LONDON, SE9 2EG

    Submission of details pursuant to discharge Condition 8 (Vehicle Crossover) and Condition 9 (Traffic Order Amendment) of planning permission reference 24/3489/F, dated 31/01/2025

    14 May 2026 Conditions
  • 25/1971/SD Granted

    Gallions View Nursing Home, 20 Pier Way, Thamesmead, SE28 0FH

    Submission of details pursuant to the partial discharge of Condition 45 (Wheelchair Accessible Dwellings - Block B Only) of planning permission 21/2040/F dated 24/02/2022.

    16 Jun 2025 Conditions
  • 26/0952/SD Granted

    Garages to the rear of no. 19-25 Morden Street and the green space directly south of the site, Greenwich, London, SE13 7QR

    Submission of details pursuant to Condition 23 (Permeable Paving) of Planning Permission 23/0889/F dated 20/03/2024

    24 Mar 2026 Conditions
  • 26/1258/SD Granted

    FORMER PLUMSTEAD LEISURE CENTRE, SPERANZA STREET, PLUMSTEAD, SE18 1NX

    Submission of details pursuant to the discharge of Condition 12 (Water Efficiency) of planning permission 21/0510/F dated 06/01/2022.

    22 Apr 2026 Conditions
  • 26/1211/SD Granted

    Kidbrooke Station Square, Henley Cross, Kidbrooke, London, SE3 9PL

    Submission of details pursuant to the partial discharge of Conditions 23(b) (BREEAM Non-Residental Uses) for Block P, and 26 (On site renewable energy technologies- evidence of installation) for Blocks C, E and F of planning permission 18/4187/F dated 20/12/2019 (as amended by non-material amendment 23/0377/NM dated 05/06/2023).

    17 Apr 2026 Conditions