Grade II listed · Greenwich

Altazimuth Pavilion at the Royal Observatory

Altazimuth Pavilion at the Royal Observatory is a Grade II listed building in Greenwich, first listed on 21 August 2002. It is one of 466 Grade II entries among 539 listed buildings in Greenwich; 93% of Greenwich’s current entries were listed before it.

List entry
FieldValue
NameAltazimuth Pavilion at the Royal Observatory
GradeGrade II — special interest
List entry number1031860
Date first listed21 August 2002
Local planning authorityGreenwich
Location51.47733, -0.00087 (map)
Official recordHistoric England list entry 1031860

Planning works on this listed building?

Planium checks which consents Greenwich will require for your works on Altazimuth Pavilion at the Royal Observatory, lists what the heritage statement must cover and drafts the application text.

Ask Planium what consent you need

What the grade means for works

Grade II buildings are of special interest and make up over 90% of listed buildings in England. Most alterations, extensions and many internal changes still need listed building consent from the council.

The protection covers the whole building, inside and out, plus fixtures and attached structures. Typical works that need consent: replacing windows or doors, removing walls or historic fabric, changing roof coverings, installing solar panels or external insulation, and adding extensions.

Listed buildings near Altazimuth Pavilion at the Royal Observatory

NameGradeDistance
Royal Observatory former Great Equatorial BuildingI46 m
Statue of General Wolfe, to East of Royal ObservatoryII54 m
Royal Observatory South BuildingII61 m
Royal Observatory, The Transit HouseI64 m
Royal Observatory Wall and Clock to Right of Entrance GatesI81 m
Royal Observatory Flamsteed HouseI103 m
Bandstand to South of Great Cross AvenueII279 m
Park HallII291 m
The Standard Reservoir Conduit House, Greenwich ParkII*294 m
The White House and Garden Walls to East, South and WestII297 m

Frequently asked questions

Is Altazimuth Pavilion at the Royal Observatory listed?
Yes. Altazimuth Pavilion at the Royal Observatory is on the National Heritage List for England as a Grade II listed building, list entry number 1031860, first listed on 21 August 2002. The full list entry with its description and map is on Historic England’s website.
Do I need consent for works to Altazimuth Pavilion at the Royal Observatory?
Works that affect its character as a building of special architectural or historic interest — inside or out — need listed building consent from Greenwich, in addition to any planning permission or building regulations approval. Like-for-like repairs often do not, but confirm with the council’s conservation officer before you start.
Source: National Heritage List for England, © Historic England 2026, via planning.data.gov.uk. Contains Ordnance Survey data © Crown copyright and database right. Licensed under the Open Government Licence v3.0. Retrieved 12 October 2026. Local authority assigned from the list entry point. This page is a summary — the legal record is the official list entry.