Grade II listed · Boston

Plaque Attached to Number 21 (21 Not Included)

Plaque Attached to Number 21 (21 Not Included) is a Grade II listed building in Boston, first listed on 14 February 1975. It is one of 462 Grade II entries among 506 listed buildings in Boston; 19% of Boston’s current entries were listed before it.

List entry
Field	Value
Name	Plaque Attached to Number 21 (21 Not Included)
Grade	Grade II — special interest
List entry number	1388917
Date first listed	14 February 1975
Local planning authority	Boston
Location	52.96948, -0.02655 (map)
Official record	Historic England list entry 1388917

Planning works on this listed building?

Planium checks which consents Boston will require for your works on Plaque Attached to Number 21 (21 Not Included), 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 Plaque Attached to Number 21 (21 Not Included)

Name	Grade	Distance
12, London Road	II	59 m
10, London Road	II	74 m
London Road Gatehouse and Signals Cabin	II	101 m
Swing Bridge	II	104 m
The Ship Inn	II	130 m
Siltside Warehouse	II	154 m
4, London Road	II	167 m
2 and 3, London Road	II	182 m
119-125, High Street	II	269 m
124-136, High Street	II*	308 m

Frequently asked questions

Is Plaque Attached to Number 21 (21 Not Included) listed?

Yes. Plaque Attached to Number 21 (21 Not Included) is on the National Heritage List for England as a Grade II listed building, list entry number 1388917, first listed on 14 February 1975. The full list entry with its description and map is on Historic England’s website.

Do I need consent for works to Plaque Attached to Number 21 (21 Not Included)?

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