About Vallis & Hall Conservation Architects

Vallis & Hall Conservation Architects is the new name for Jane Jones-Warner Associates, an award-winning RIBA Chartered Practice based in Chichester, West Sussex.


The Practice specialises in the conservation of historic buildings, heritage consultancy and new build projects, often in historic or sensitive settings.


West Dean College

Conservation and repair of the roof to West Dean House, focusing on the roofs of the historic college buildings. The repairs required a scaffold with temporary roof and due to the construction of the House, an independent scaffold had to be designed to span the existing building without taking any load off the existing structure. As

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Historic Mill

Works started on site in spring 2017 to this lovely grade II listed private house, formerly a working mill. Insensitive modern alterations were removed whilst carefully considered contemporary additions were introduced and conservation repairs carried out to enhance and protect the building’s heritage. Works included bespoke staircases, a contemporary roof structure and new finishes to

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Latest News

installation of oak frame begins on site at Rowans Hospice

Works begin on the next stage of transformation at the Rowans Hospice

Planning permission has recently been granted for the next stage of transformation at the Rowans Hospice in Purbrook, enabling works to begin.

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South Downs

Planning permission granted for farm worker’s dwelling and farm office in the SDNP

Following an appeal inquiry, we were delighted to have planning permission granted for the erection of a contemporary farm worker’s dwelling and farm office within the SDNP.

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Vallis & Hall Conservation Architects

New year, new name!

We are starting 2023 with the news that from 1 January, the Practice has changed its name to Vallis & Hall Conservation Architects.

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