Retention Permission and Planning Permission is sought for alterations to the development…
Glenlion House and, Glenlion Chalet, Thormanby Road, Howth, Co. Dublin, D13E395
Proposed development
Retention Permission and Planning Permission is sought for alterations to the development granted under Reg. Ref. F20A/0046 at Glenlion House and Reg. Ref. F22A/0285 at Glenlion Chalet - both properties are now under the same ownership. Retention Permission is sought for revision to Glenlion House relative to the permission previously granted under Reg. Ref. F20A/0046 comprising a 139sq.m reduction in the floor area of the dwelling at lower ground floor level, the omission of an external staircase and all associated internal/external revisions. Planning Permission is sought for (i) amendment of Reg. Ref. F22A/0285 comprising the non-demolition of Glenlion Chalet, a single storey chalet structure (86.6sq.m) located to the immediate north-east of Glenlion House which was previously permitted to be demolished under Reg. Ref. D22A/0285); (ii) external modifications to the chalet structure including demolition and replacement of roof with new flat roof with solar panels, and revised fenestration details and material finishes; (iii) provision of a 43.6sq.m single-storey corridor/extension, with 1 no. rooflight, to provide a connection between the upper ground floor level of Glenlion House and Glenlion Chalet, together with associated internal revisions to both structures; and, (iv) all associated site works necessary to facilitate the development.
What happens next
The application has been lodged and validated. The council has eight weeks to decide, unless it asks for further information. The council's decision is due by 23 Jul 2026.
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Nearby applications
Other applications on the Fingal register close to this address.
- F24A/0886EGlenlion Pines, Thormanby Road, Howth, D13 WY16Closed
(i) partial demolition, reconfiguration and extension of existing dwelling to provide for a part two, part three-storey 7-bedroom flat-roofed dwelling…
- F22A/0285Glenlion Chalet, Thormanby Road, Howth, Co. DublinOn Site
1. Demolition of existing two bedroom single storey dwelling, single storey garage and ruins of shed. 2. Construction of two storey dwelling with a split level…
- F25A/0208ECliff Haven, Thormanby Road, Howth, Co. Dublin, D13 H972Closed
(i) 1 no. viewing pod situated within the rear garden; and, (ii) all associated site works…
- F23A/0013Up In The Air, Old Thormanby Road, Howth, Co Dublin, D13 A402On Site
(i) Demolition of existing dormer bungalow, garage and outbuildings on site, (ii) construction of a replacement five bedroom residence over three floors…
- F25A/1181ELong Acre, Thormanby Road, Howth, Co. Dublin, D13 HH63Closed
Construction of a 36.9 sq.m, single-storey detached garage with sloped roof situated to the front of the site with associated paving and all ancillary works…
- F26A/0456EArdmhuire, Thormanby Road, Howth, County Dublin, D13 C993Closed
New windows and doors to replace exisitng with alterations to façade including new entrance porch and new internal layout on both floor levels.
Related
About this page: the facts above come from the statutory public planning register kept by Fingal County Council and are refreshed weekly (last updated 21 Sept 2026). Applicant names and contact details are not shown. Status labels are PlanningLeads' plain-language reading of the register status and the "Use" label is classified by AI from the public description (see how we use AI); neither is legal advice and the council's file is the record. How we handle this data: privacy notice.
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