Heritage Category:
Listed Building
List Entry Number:
Date first listed:
Date of most recent amendment:
Statutory Address:


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Statutory Address:

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

East Hertfordshire (District Authority)
National Grid Reference:
TL 25549 14596


TEWIN TEWIN WATER TL 21 SE 5/162 Tewin Water School 20.10.52 with former Stable Block (formerly listed as Tewin Water) - II

Country house, now school. Rebuilt 1789 for 3rd Earl Cowper. Remodelled 1798 by J.T. Groves for H. Cowper. Altered 1892. Enlarged and renovated 1902 for A. Beit. Stuccoed brick. Shallow hipped slate roofs. Greek Revival Style, an H on plan. 2 storeys and attics. Entrance front 2:5:2. Giant Ionic order, pilasters to outer bays, tetrastyle in antis portico with paired columns to recessed centre, continuous entablature. Ground floor: central early C20 double doors, 2/3 glazed and panelled with ironwork, margin lights, Ionic pilastered architrave in a segmental relieving arch. Flanking full length tripartite sashes with blind boxes, casements and 9 pane sashes in projecting outer bays with segmental relieving arches. Plat band to first floor, central tripartite casements with pilastered architraves with rosettes, flanking tall casements. Attic with mixed small sashes and casements, cornice to parapet. Left return, 3:1:3 with central Giant Ionic distyle in antis portico, pilasters to outer bays, continuous entablature. Central largely glazed door, reeded surround with rosettes. Central first floor window opens onto a curved balcony with iron railings. Outer bays are shallow 2 storey bows, casement windows. Astylar garden front, 2:3:2, central bays set well back with early C20 ground floor flat roofed projection, 5 round headed windows, pilaster strips to large festooned urns on parapet. First floor, central 'Venetian' window, tripartite sashes, one dummy. Plat band to first floor and cornices above and below attic continue. Outer bays have segmental ground floor and round headed first floor relieving arches. Interior: remodelled c.1902 with neo-classical plasterwork, panelling, and columnar screens. Top-lit open well stair with scrolled iron balustrade, moulded ramped handrail, paintings at top. Ground floor room to rear right has elephant hide on walls above panelling. Attached to right from front is a 2 bay early C20 service block set back slightly, cornice to coped parapet. Added to front of this a 6 bay 1 storey range with 5 full height casements and 1 glazing bar sash all with segmental relieving arches. To rear a 1 bay 2 storey service block with a 1 storey hipped outshut behind a 5 bay curved link with relieving arches over glazing bar sashes, urns on pilasters leading to former stable block, converted to school use 1798. Pebbledashed brick. Hipped slate roof. 3:3:3 bays, extended to right. 2 storeys. Centre projects with plinth, tall round headed recess with loft door, C20 casements. Ground floor openings all round headed. First floor flush frame 3 light small pane casements. Eaves cornice. Central shallow pediment with clock. Louvred gabled ventilators on ridges. To right 2 bay former coach-house with iron columns. Red brick to rear. Following a visit to Tewin Water in 1799 H. Repton submitted a Red Book for H. Cowper to consider in conjunction with Repton's scheme for Panshanger, Hertingfordbury Civil Parish (q.v.). (Pevsner 1977: RCHM Typescript).

Listing NGR: TL2554914596


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

Legacy System number:
Legacy System:


Books and journals
Pevsner, N, Cherry, B, The Buildings of England: Hertfordshire, (1977)
Register of Parks and Gardens of Special Historic Interest in England, Part 21 Hertfordshire,


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

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Date: 27 Jan 2007
Reference: IOE01/16214/26
Rights: Copyright IoE Mr K W Newland. Source Historic England Archive
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