Heritage Category:
Listed Building
List Entry Number:
Date first listed:
Statutory Address:


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Statutory Address:

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

Northumberland (Unitary Authority)
Seaton Valley
National Grid Reference:
NZ 33766 76680


SEATON SLUICE COLLYWELL BAY ROAD NZ 3376 (East side) 14/105 No. 10 (The Octagon) GV II House, formerly harbour master's office. Early to mid C18, perhaps by Vanbrugh. Rubble with cut quoins and dressings, C20 pantile roof with brick stack. Octagonal plan with slightly later wing on west. North elevation 1 storey on basement; octagonal part to left has band above basement. 9 steps up to 4-panel door under radial fanlight in round arch, with raised imposts and keystone; similarly-arched windows, above square-headed basement openings, to right of door, in left return and to rear. Moulded string below embattled parapet; flat roof. Wing to right 1 wide bay; Venetian window in similar surround above square-headed basement window, coped right gable with end stack. Right return shows blocked doorway with timber lintel. All windows are renewed small-paned casements, those on 1st floor with radial heads.

C20 pent extensions to rear of wing are not of special interest.

Listing NGR: NZ3376676680


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

Legacy System number:
Legacy System:


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

End of official listing

Images of England

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Date: 01 Aug 1999
Reference: IOE01/01233/02
Rights: Copyright IoE Mr Michael J. Saunders. Source Historic England Archive
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