First retained observation; this does not establish that the application is new.
Observed: 21 September 2026. This describes our archive, not an application event date.
Why it matters locally
The proposal concerns Marshfield House , Mill Lane , Leixlip. Proposal excerpt: “development on this site of c. 0.366 ha at Marshfield House, Mill Lane, Leixlip, Co. Kildare, W23 E5W5. Marshfield House is a designated Protected structure RPS No. B11-116. The development for which retention permission…” Demolition is included in the proposal description.
The source records zero homes despite housing wording. Do not use this as a verified housing total.
development on this site of c. 0.366 ha at Marshfield House, Mill Lane, Leixlip, Co. Kildare, W23 E5W5. Marshfield House is a designated Protected structure RPS No. B11-116. The development for which retention permission is sought consists of: works undertaken to the main dwelling, which includes internal and external works comprising the: removal and replacement of floors, ceilings, partitions (including relocation, where relevant) and stairs from First to Second Floor Level in the existing house; electrical cabling, domestic hot and cold-water services, and central heating pipework throughout the existing house; the removal of external render; replacement of windows on the existing house; the existing as-built west gable conservatory lobby (10 sq m); existing outbuilding to the southside of the west courtyard; the existing as-built outbuilding to the northside in the west courtyard (29 sq m); and the existing as-built garage (including roof lights) (75 sq m). The total floor area to be retained is 114 sq m.
The development for which permission is sought will consist of: the demolition of the existing unauthorised extensions to the northeast and north of the existing house and the provision of a new single storey extension to the existing house which will comprise of a kitchen / dining area, toilet, pantry, wash room, entrance lobby, veranda/rooflight, with sliding doors to the east elevation; a new single storage extension and canopy cover (with roof lights) to northwest of the existing house, which will comprise of a laundry drying room, boot room, shower room, open covered shed for agricultural machinery, and a small agricultural work room; the repair and reinstatement of historic sashes to 1 no. window to rear of the main house; 2 no. unauthorised openings in the wall on the east gable of the existing house to be filled in with masonry; removal of internal partitions and provision of new partitions in the existing house, where required; new rendering to the existing house and associated structures; provision of new roof structure to the existing house, which will include the provision of new roof lights and remediation works to the existing roof elements that will be retained; alterations to the existing garage and outbuildings (for which retention permission is sought); and reroofing of the sections of the garage and outbuildings (structures that are proposed to be retained) with natural slates and provision of roof lights, where required. The pro
Application details
Reference
2660963
Site address
Marshfield House , Mill Lane , Leixlip
Homes in source field
0 (proposal, not completions)
Reported floor area (m²)
0
Application type
PERMISSION
Latest reported outcome
New Application
Date received
August 26, 2026
Decision due
October 20, 2026
Authority
Kildare County Council
Source: local authorities / National Planning Applications. Contains Irish Public Sector Data licensed under CC BY 4.0 where supplied by NPAD. Linked documents may have separate reuse terms.