Grade II listed · Westminster

1a, 1b, 1c, King Street, St James'S Sw1

1a, 1b, 1c, King Street, St James'S Sw1 is a Grade II listed building in Westminster, first listed on 1 December 1987. It is one of 3,418 Grade II entries among 3,996 listed buildings in Westminster; 66% of Westminster’s current entries were listed before it.

List entry
Field	Value
Name	1a, 1b, 1c, King Street, St James'S Sw1
Grade	Grade II — special interest
List entry number	1221556
Date first listed	1 December 1987
Local planning authority	Westminster
Location	51.50690, -0.13656 (map)
Official record	Historic England list entry 1221556

Planning works on this listed building?

Planium checks which consents Westminster will require for your works on 1a, 1b, 1c, King Street, St James'S Sw1, 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 1a, 1b, 1c, King Street, St James'S Sw1

Name	Grade	Distance
18, St James'S Square Sw1	II	19 m
East India Sports Club	II	22 m
2 and 3, Duke Street St James'S Sw1	II	35 m
15, St James'S Square Sw1	I	41 m
41 Lampstandards	II	49 m
London Library	II	54 m
20 and 21, St James'S Square Sw1	I	71 m
13, St James'S Square Sw1	II*	72 m
12, St James'S Square Sw1	II	78 m
11, Duke Street	II	83 m

Frequently asked questions

Is 1a, 1b, 1c, King Street, St James'S Sw1 listed?

Yes. 1a, 1b, 1c, King Street, St James'S Sw1 is on the National Heritage List for England as a Grade II listed building, list entry number 1221556, first listed on 1 December 1987. The full list entry with its description and map is on Historic England’s website.

Do I need consent for works to 1a, 1b, 1c, King Street, St James'S Sw1?

Works that affect its character as a building of special architectural or historic interest — inside or out — need listed building consent from Westminster, 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.