Grade II* listed · Broxbourne

Dewhurst St Mary Jmi School

Dewhurst St Mary Jmi School is a Grade II* listed building in Broxbourne, first listed on 11 June 1954. It is one of 11 Grade II* entries among 259 listed buildings in Broxbourne; 0% of Broxbourne’s current entries were listed before it.

List entry
Field	Value
Name	Dewhurst St Mary Jmi School
Grade	Grade II* — particularly important, more than special interest
List entry number	1296463
Date first listed	11 June 1954
Local planning authority	Broxbourne
Location	51.70567, -0.04736 (map)
Official record	Historic England list entry 1296463

Planning works on this listed building?

Planium checks which consents Broxbourne will require for your works on Dewhurst St Mary Jmi School, 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 particularly important buildings of more than special interest — about 5.8% of listed buildings. Applications for listed building consent are notified to Historic England.

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 Dewhurst St Mary Jmi School

Name	Grade	Distance
Garden Pavilion at Number 106 (The Cottage)	II	56 m
Boundary wall to road at number 106 (The Cottage)	II	67 m
The Cottage	II	78 m
Outbuildings on West of Number 106 (The Cottage)	II	95 m
Garden Wall on North Side of Number 90	II	96 m
The Old Parsonage	II	120 m
70 and 72, Churchgate	II	126 m
Wall on North and East Sides of Whit Hern Park	II	138 m
Entrance Wall and Screen to Whit Hern Park	II	153 m
Wall Near Entrance of Whit Hern Park	II	155 m

Frequently asked questions

Is Dewhurst St Mary Jmi School listed?

Yes. Dewhurst St Mary Jmi School is on the National Heritage List for England as a Grade II* listed building, list entry number 1296463, first listed on 11 June 1954. The full list entry with its description and map is on Historic England’s website.

Do I need consent for works to Dewhurst St Mary Jmi School?

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