Grade II listed · Mid Sussex

The Old Lock Up

The Old Lock Up is a Grade II listed building in Mid Sussex, first listed on 5 February 1979. It is one of 984 Grade II entries among 1,062 listed buildings in Mid Sussex; 31% of Mid Sussex’s current entries were listed before it.

List entry
Field	Value
Name	The Old Lock Up
Grade	Grade II — special interest
List entry number	1249132
Date first listed	5 February 1979
Local planning authority	Mid Sussex
Location	51.12391, -0.00417 (map)
Official record	Historic England list entry 1249132

Planning works on this listed building?

Planium checks which consents Mid Sussex will require for your works on The Old Lock Up, 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 The Old Lock Up

Name	Grade	Distance
Windsor Cottage	II	7 m
The Porch House	II*	26 m
Garden Building 25 Yards South of Porch House	II	26 m
College View	II	33 m
Cromwell House	II*	39 m
74 and 76, High Street	II	51 m
4 and 6 Church Lane	II	60 m
Amherst House and Annexe to West Sackville House	II	66 m
10 Church Lane	II	69 m
Sackville College	I	74 m

Frequently asked questions

Is The Old Lock Up listed?

Yes. The Old Lock Up is on the National Heritage List for England as a Grade II listed building, list entry number 1249132, first listed on 5 February 1979. The full list entry with its description and map is on Historic England’s website.

Do I need consent for works to The Old Lock Up?

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