Old Mathematical School

OLD MATHEMATICAL SCHOOL, PENELLAZ HILL

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Overview

Heritage Category:
Listed Building
Grade:
II
List Entry Number:
1297619
Date first listed:
09-Feb-1994
List Entry Name:
Old Mathematical School
Statutory Address:
OLD MATHEMATICAL SCHOOL, PENELLAZ HILL

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Location

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Date:
2006-05-23
Reference:
IOE01/15707/23
Rights:
© Mr Eric J Busby. Source: Historic England Archive

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Official list entry

Heritage Category:
Listed Building
Grade:
II
List Entry Number:
1297619
Date first listed:
09-Feb-1994
List Entry Name:
Old Mathematical School
Statutory Address 1:
OLD MATHEMATICAL SCHOOL, PENELLAZ HILL

The scope of legal protection for listed buildings

This List entry helps identify the building designated at this address for its special architectural or historic interest.

Unless the List entry states otherwise, it includes both the structure itself and any object or structure fixed to it (whether inside or outside) as well as any object or structure within the curtilage of the building.

For these purposes, to be included within the curtilage of the building, the object or structure must have formed part of the land since before 1st July 1948.

Understanding list entries

Corrections and minor amendments

The scope of legal protection for listed buildings

This List entry helps identify the building designated at this address for its special architectural or historic interest.

Unless the List entry states otherwise, it includes both the structure itself and any object or structure fixed to it (whether inside or outside) as well as any object or structure within the curtilage of the building.

For these purposes, to be included within the curtilage of the building, the object or structure must have formed part of the land since before 1st July 1948.

Understanding list entries

Corrections and minor amendments

Location

Statutory Address:
OLD MATHEMATICAL SCHOOL, PENELLAZ HILL

The building or site itself may lie within the boundary of more than one authority.

District:
Cornwall (Unitary Authority)
Parish:
Helston
National Grid Reference:
SW 65599 27558

Details

HELSTON

SW6427 PENELLAZ HILL 631-1/4/198 (South side) Old Mathematical School

GV II

Former literary and scientific institute, now part of freemasons' hall. Datestone 1799. Faced coursed greenstone, granite dressings including ashlar plinth, quoins, jambstones, voussoirs, mid-floor string and frame of triangular pediment to front with scrolled kneelers; asbestos slate roof. Rectangular plan. 2 storeys; principal 1st-floor with round-arched window openings, blind to symmetrical 1-window front end and 4-window range to right-hand return. 2x12-pane horned sashes on the left and 2 openings blocked with brick on the right. INTERIOR not inspected. The pedimented gable of this building is a prominent feature of the Helston townscape. It marks an important phase in the social history of the town, built at a time when Helston was benefiting from the tin mining industry and fine villas, such as in Cross Street, were erected in the vicinity. (Information from Martin Matthews of Helston Museum).

Listing NGR: SW6559927558

Legacy

The contents of this record have been generated from a legacy data system.

Legacy System number:
385550
Legacy System:
LBS

Legal

This building is listed under the Planning (Listed Buildings and Conservation Areas) Act 1990 as amended for its special architectural or historic interest.

Ordnance survey map of Old Mathematical School

Map

This map is for quick reference purposes only and may not be to scale. This copy shows the entry on 25-Jun-2026 at 23:28:53.

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© Crown copyright [and database rights] 2026. OS AC0000815036. Use of this mapping is subject to Terms and Conditions.

End of official list entry

All text content is available under the Open Government Licence v3.0 , except where otherwise stated. Any supplied maps are © Crown Copyright [and database rights] 2026 OS AC0000815036 and may not be reproduced without permission.

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