The crumbling Welsh manor house a developer now hopes to save

Grade II Listed Aberbraint near Llanfairpwll.
-Credit: (Image: Grŵp Amos Cymru)

A developer is hoping to save a semi-derelict Welsh manor house. Grŵp Amos Cymru is hoping to rescue the semi-derelict Aberbraint manor house on the Isle of Anglesey before the building goes past the point of saving.

The substantial property near Llanfairpwll and Menai Bridge dates back to 1820 and was once owned by John Saunderson Esq, estate manager to the Plas Newydd Estate. The house has seen some changes since then, including being altered and extended during the late 19th and early 20th century and converted to use as three dwellings more recently, reports North Wales Live.

A slice of important history, the house gained a Grade II* listing from Cadw in 1952 for being "a richly detailed early 19th century house in a Gothic idiom, incorporating fine quality 17th to 18th century woodwork as an integral part of the Gothic character." For more property stories sent to your inbox twice a week sign up to the property newsletter here.

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Grŵp Amos Cymru own the substantial Grade II listed Aberbraint near Llanfairpwll
Grŵp Amos Cymru own the substantial Grade II listed Aberbraint near Llanfairpwll -Credit: Grŵp Amos Cymru

The historic house is currently in a state of disrepair, but plans have been approved for its redevelopment. However, Amos has identified a "conservation deficit" of approximately £1m, which refers to the situation where the cost of repairing the heritage asset surpasses its market value after repair or conversion.

To tackle this issue, the company has submitted a full planning application for the construction of 25 homes, an internal access road, pedestrian link, and associated works and landscaping at Tan y Graig Farm, Pentraeth. A consultation on this proposal is underway before an application is made to Isle of Anglesey County Council.

Cadnant Planning, consultants and agents for the proposed project, stated: "Significant work needs to be carried out to the existing listed building at Aberbraint. Although the works required to bring the building back into use in an appropriate and sensitive manner now have the required Listed Building Consent, those works cannot be implemented as there is a substantial 'conservation deficit' where the cost of repair of the heritage asset exceeds its market value on completion of repair or conversion.

The house stands in about 2.5 acres of land near Llanfairpwll
The house stands in about 2.5 acres of land near Llanfairpwll -Credit:Amos Group

"To address the conservation deficit and ensure that the scheme of repair of the historic asset at Aberbraint is viable, a scheme for the erection of 25 dwellings at Tan y Graig, comprising of a mixture of open market and local market dwellings are proposed which would comprise of Enabling Development which will secure the listed building's long term future by using the uplift in value of the land resulting from the development at Tan y Graig."

Enabling Development is viewed as the principle of allowing development that would have a detrimental impact on a heritage asset, but its wider benefits are such that these outweigh any disbenefits associated with the proposal, according to website rca regeneration.

The manor house is at risk
The manor house is at risk -Credit:Amos Group

The company added: "Pre-application discussions undertaken prior to the formulation of this planning application noted that due to the fact that the application site at Tan y Graig is located in open countryside, the Development Plan's policies would not support the development of open market and local market dwellings and consideration should therefore be given to Policy AT 2 of the Development Plan which supports Enabling Development that aims to secure the preservation and/or alternative use of a listed building provided the criteria within the Policy is satisfied.

"The proposals involve the full restoration of Aberbraint from its present semi-derelict state to continue to use as three dwelling units within the main house. This is considered to be the most appropriate proposal which would not seek to change its use. The works involved are considered to be the minimal required without the need to extend and alter the property.

The substantial house dates back to 1820
The substantial house dates back to 1820 -Credit:Amos Group

"The extent of damage; decay and structural deterioration evident in the property make it clear that only through significant works and restoration can the heritage asset be secured. Alternatives, such as temporary works or basic works to make the property safe; wind and watertight in this case would not be sufficient to secure the heritage asset for the future as, without a viable use, the building would continue to deteriorate.

"In this case, the applicant considered the potential for enabling development to be located on land within their control at Aberbraint, but in a location that would not detrimentally affect the setting of the heritage asset of Aberbraint.

"However, the land around Aberbraint lies within a Zone 3 Flood risk area, which would not support the development of highly vulnerable development such as residential including holiday use, which would provide the highest value development to meet the conservation deficit identified for Aberbraint."

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