Dún Mhuire

For Sale By Private Treaty

Prestigious property with coastal views adjoining Killiney Beach.
Extensive site of 3.70 acres entirely zoned ‘Residential’.
Impressive and well-maintained period residence extending to 1,269 sq m (13,665 sq ft) with 10 no. ensuite bedrooms.
Feasibility Study prepared by CDP Architecture indicates potential for 81 no. residential units (s.p.p).
Excellent development opportunity, also suited for redevelopment as an exclusive residence or embassy etc.

Location

Nestled in the heart of one of Dublin’s most coveted coastal enclaves, Dún Mhuire offers a rare opportunity to acquire a prestigious property in Killiney — a serene suburb renowned for its natural beauty, architectural grandeur, and exceptional connectivity.

Dún Mhuire occupies a high profile corner site set on expansive grounds along the north and western sides of Seafield Road, Dún Mhuire is ideally positioned less than 500 metres from Killiney DART Station, offering swift and scenic rail access to Dublin’s city centre and coastal towns.

The area enjoys seamless access to major transport routes, with the N11 just 2 kms away via Wyattville Road and the M50 accessible at Junction 16.

Killiney is defined by its mature residential character and lush recreational amenities. From the panoramic vistas of Killiney Hill Park to the tranquil shores of Killiney Beach, the area blends natural beauty with refined living.

A charming and secluded pedestrian walkway leading from the rear of Dún Mhuire beneath the adjoining railway line provides direct access to the amenity of Killiney Beach. This is directly adjoined by the secondary vehicular entryway.

Accommodation

Dun Mhuire – Original House (with four no. en-suite bedrooms) 766.9 sq.m / 8,255 sq.ft

Library Wing (with six no. en-suite bedrooms on the first floor) 502.6 sq.m / 5,410 sq.ft

Sub Total 1,269.5 sq.m / 13,665 sq.ft

Gate Lodge (Single bedroom residence) 35.8 sq.m / 385 sq.ft

Former Stables (In need of refurbishment) 210.1 sq.m / 2,262 sq.ft

Plant / Storage 89.1 sq.m / 959 sq.ft

Zoning

The entire property is situated within an area zoned ‘Objective A – Residential’ within the Dún Laoghaire-Rathdown County Development Plan 2022-2028:

“To provide residential development and improve residential amenity while protecting the existing residential amenities”

Embassy
Given the prestigious nature of the property, it would potentially suit alternative uses as an Embassy which is ‘open for consideration’ within the Development Plan.

Record of Protected Structures
The original building (Dún Mhuire) is included within the Record of Protected Structures (Ref. 2134) as prepared by the Local Authority. The listing is described as ‘House (excluding later mid-20th century extension to the rear)’.

Tree/woodland preservation
There are two tree/woodland preservation designations on the site, one along the southern and eastern boundaries: ‘To protect and preserve Trees and Woodlands’.

Killiney Architectural ConservationArea (ACA)
The property is also situated within the Killiney Architectural Conservation Area (ACA) which sets out conservation and planning policies which aim to protect its special character and guide future development within the area.

Development Potential

A development feasibility study has been undertaken in respect of the potential future development of the land by CDP Architects. It suggests a scheme of development (subject to planning consent) comprising 81 no. units with surface car parking. Full details and a copy of the feasibility study are available upon request.

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