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Historic England Research Records

Hilsea Lines

Hob Uid: 238698
Location :
City Of Portsmouth
City Of Portsmouth
City Of Portsmouth
Grid Ref : SU6700004000
Summary : System of ramparts, bastions, casements and ditches, built across the north of Portsea island. Built in 1858 on the site of earlier defensive works.
More information : (SU 650044 - SU 670040) Hilsea Lines [NAT]. (1)

The Hilsea Lines, guarding the north shore of Portsea Island, had
existed in some form since at least the early 18th century. In
1858 they were reconstructed in earth and brick and with a moat. (2)

Scheduled No. 330. (3)

The Hilsea Lines are well-preserved. 1/1250 Surveys correct. (4)

A new fort had been proposed in the 1860 Report on the Defence of the United Kingdom, but this was abandoned. The old line was replaced by a bastioned front of 3 whole and 2 demi-bastions with a wet ditch in front 130ft wide. There was space on the ramparts for 168 guns and the casemates in the flanks could hold 50 more. (5)

(Portisbridge - SU 658 046. Approximate site now covered by TA centre and Havant Bypass)

The Lines and remodelled fort at Portisbridge (See Illustration Card 5). (6)

Sources :
Source Number : 1
Source : Ordnance Survey Map (Scale / Date)
Source details : OS 6" 1973
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Figs. :
Plates :
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Source Number : 2
Source : Hampshire and the Isle of Wight
Source details :
Page(s) : 421
Figs. :
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Source Number : 3
Source : VIRTUAL CATALOGUE ENTRY TO SUPPORT NAR MIGRATION
Source details : DoE (IAM) List Anc Mons 2 1978
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Source Number : 4
Source : Field Investigators Comments
Source details : F1 JGB 10-FEB-83
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Source Number : 5
Source : The Archaeological Journal
Source details : A D Saunders
Page(s) : 147,150
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Plates :
Vol(s) : 1,231,966
Source Number : 6
Source : Ordnance Survey Map (Scale / Date)
Source details : OS 3" Hants 75 W Pt 3 1797
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Monument Types:
Monument Period Name : Post Medieval
Display Date :
Monument End Date :
Monument Start Date : 1858
Monument Type : Rampart, Linear Earthwork, Bastion, Moat
Evidence : Earthwork

Components and Objects:
Related Records from other datasets:
External Cross Reference Source : Scheduled Monument Legacy (County No.)
External Cross Reference Number : HA 330
External Cross Reference Notes :
External Cross Reference Source : National Monuments Record Number
External Cross Reference Number : SU 60 SE 19
External Cross Reference Notes :

Related Warden Records :
Associated Monuments : 238782
Relationship type : General association
Associated Monuments : 461964
Relationship type : General association
Associated Monuments : 234459
Relationship type : General association
Associated Monuments : 461601
Relationship type : General association

Related Activities :
Associated Activities : FIELD OBSERVATION ON SU 60 SE 19
Activity type : FIELD OBSERVATION (VISUAL ASSESSMENT)
Start Date : 1983-02-10
End Date : 1983-02-10
Associated Activities : BASTION 4, HILSEA LINES, SCOTT ROAD
Activity type : WATCHING BRIEF
Start Date : 2006-01-01
End Date : 2006-12-31