Institute Of Astronomy, Observatory Building And Library Madingley Road Cambridge Cambridgeshire CB3 0HA

This site has had 2 applications since 2026: 2 approved, 0 refused.

• 26/02486/LBC Granted

  Institute Of Astronomy, Observatory Building And Library Madingley Road Cambridge Cambridgeshire CB3 0HA

  Alterations to provide improved disabled access, alongside general maintenance works. The scheme comprises the following: new external ramp to the eastern side of the central portico, new external ramp to service the exterior door in the western facade of the building, with interior mat well removed, regrading of external site levels to service the exterior door in the eastern facade of the building, with interior mat well removed, mechanisation of exterior doors and rearrangement of toilet block within eastern wing to provide disabled wc facility.

  Decided 8 Sep 2026 Heritage and listed buildings

1. 30 Jun 2026

   Received by Cambridge

2. 23 Jul 2026

   Added to PlanIndex

3. 8 Sep 2026

   Decision issued: Granted Permission

• Application: 26/02486/LBC (Awaiting decision)

Cambridge granted permission on 8 September 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.

A full application seeks permission for a complete, detailed proposal in one go, with siting, design, access and landscaping all fixed at this stage. More in our guide to planning application types.

• Institute Of Astronomy, Observatory Building And Library Madingley Road Cambridge Cambridgeshire CB3 0HA

  26/02486/LBC Submitted 30 Jun 2026 50 yards away

  Alterations to provide improved disabled access, alongside general maintenance works. The scheme comprises the following: new external ramp to the eastern side of the central portico, new external ramp to service the exterior door in the western facade of the building, with interior mat well removed, regrading of external site levels to service the exterior door in the eastern facade of the building, with interior mat well removed, mechanisation of exterior doors and rearrangement of toilet block within eastern wing to provide disabled wc facility.

  Granted Heritage and listed buildings 18 docs

• Churchill College Storeys Way Cambridge Cambridgeshire CB3 0DS

  26/0713/TTCA Submitted 10 Jul 2026 50 yards away

  Tree number 187 Quercus rubra Fell and grind out the stump

  Granted Trees 7 docs

• Institute Of Astronomy, Thorrowgood Telescope Building Madingley Road Cambridge Cambridgeshire CB3 0HA

  22/04587/LBC Submitted 17 Oct 2022 50 yards away

  Replacement of structure surrounding the Thorrowgood Telescope.

  Granted Heritage and listed buildings 18 docs

• Institute Of Astronomy, Thorrowgood Telescope Building Madingley Road Cambridge Cambridgeshire CB3 0HA

  22/04586/FUL Submitted 17 Oct 2022 50 yards away

  Replacement of structure surrounding the Thorrowgood Telescope.

  Granted Full applications 18 docs

• Institute Of Astronomy, Hoyle Building Madingley Road Cambridge CB3 0EZ

  20/1954/TTCA Submitted 14 Sep 2020 100 yards away

  T1: Blue Spruce (in severe decline) - Remove to ground level.

  Granted Trees 7 docs

• Institute Of Astronomy Madingley Road Cambridge CB3 0HA

  20/01755/LBC Submitted 18 Mar 2020 100 yards away

  Alterations to electrical power and IT data cabling, conduit and containment trunking upgrades and replacement, along with replacement lighting cabling and LED fitting upgrades.

  Granted Heritage and listed buildings 52 docs

• 26/02377/FUL Granted

  5 Davy Road Cambridge Cambridgeshire CB1 3QW

  Two storey front extension, a single storey rear extension (following the removal of the existing side and single storey rear extensions). Conversion of existing roof space following the reconstruction with a raised ridge height, to create 1no 3bed dwelling adjacent to the existing house.

  Received 23 Jun, published by the council 23 Jul 2026 Full applications
• 26/03042/FUL Granted

  Botanical Gardens, Plant Growth Facility Department Of Plant Science Bateman Street Cambridge Cambridgeshire CB2 1LR

  Installation of a new stand-by Generator and acoustic enclosure at the Sainsbury Laboratory to serve Building B in mains fail conditions.

  Received 11 Aug, published by the council 14 Aug 2026 Full applications
• 26/03008/FUL Granted

  24 Luard Road Cambridge Cambridgeshire CB2 8PJ

  Demolition of existing dwelling and construction of new 2.5 storey dwelling and associated landscaping

  Received 10 Aug, published by the council 14 Aug 2026 Full applications
• 26/03002/FUL Granted

  The Pickerel Inn 30 Magdalene Street Cambridge Cambridgeshire CB3 0AF

  Remove existing jumbrellas 2 no. and replace with a new Mirador Pergola to the rear courtyard

  Received 7 Aug, published by the council 14 Aug 2026 Full applications
• 26/03729/FUL Awaiting decision

  27-28 Bridge Street Cambridge Cambridgeshire CB2 1UJ

  Installation of new shopfront and seating at the rear external court yard with proposed conservatory glass roof.

  Received 2 Oct, published by the council 9 Oct 2026 Full applications