© OpenStreetMapD21A/0538Granted39 Clonmore Road, Mount Merrion, Co. DublinPermission for development. The development will consist ofDecision record indexedDecision17 December 2021View record
© OpenStreetMapD26A/0154/WEBGranted92, Trees Road Upper, Mount Merrion, Dublin, A94V2D5Permission and retention permission for 01) Bay window extension with a pitchedDecision record indexedDecision16 April 2026View record
© OpenStreetMapD20A/0623Granted90, Trees Road Upper, Mount Merrion, Blackrock, Co Dublin, A94P9X0Permission for developmentDecision record indexedDecision29 October 2020View record
© OpenStreetMapD21B/0691Granted44, South Avenue, Mount Merrion, Dublin,Permission is being sought for alterationsDecision record indexedDecision18 February 2022View record
© OpenStreetMapD26A/0159/WEBGranted46, South Avenue, Mount Merrion, Co. Dublin, A94W9D8Full planning permission for the demolition of the existing single-story side gDecision record indexedDecision23 April 2026View record
© OpenStreetMapD21A/0233Granted27 Clonmore Road, Mount Merrion, Blackrock, County Dublin (A94 C1P3)Permission for the following, including all associated site-works:Decision record indexedDecision28 July 2021View record
© OpenStreetMapD26A/0295RefusedRear lands No. 33 & No. 35 Clonmore Road, Mount Merrion, Co. DublinFor the demolition of 2 no. garages (one each at Nos. 33 and 35 Clonmore Road),Grounds not yet categorisedDecision10 June 2026View record
© OpenStreetMapD23B/0601Granted23, Clonmore Road, Mount Merrion, Blackrock, Dublin, A94A0V5Permission for construction of a dormer window in the main roof to the rear of tDecision record indexedDecision22 February 2024View record
© OpenStreetMapD24B/0152Granted42, Clonmore Road, Mount Merrion, Blackrock, Dublin, A94V2P0Permission for: 1) Conversion of existing hip roof to gable roof. 2) Proposed frDecision record indexedDecision31 May 2024View record
© OpenStreetMapD24A/0413Granted96, Trees Road Upper, Mount Merrion, Blackrock, Dublin, A94X7H9Permission for alterations and additions to an existingDecision record indexedDecision01 August 2024View record
© OpenStreetMapD20B/0358Granted17, Thornhill Road, Mount Merrion, Dublin, A94EOW6Permission for development at this siteDecision record indexedDecision22 March 2021View record
© OpenStreetMapD21A/0635Granted7, Thornhill Road, Mount Merrion, Blackrock, County Dublin, A94D1WSThe development will consist ofDecision record indexedDecision27 August 2021View record
© OpenStreetMapD21A/1152Granted57 Trees Road Upper, Mount Merrion, Blackrock, County Dublin (A94 F8K7)Permission for the following: a) Widening of the existing vehicular entranceDecision record indexedDecision22 February 2022View record
© OpenStreetMapD20A/0434Granted67 Trees Rd Upper, Mount Merrion, Blackrock, Co. Dublin A94 E9WPermission is sought for the extension. The proposed developmentDecision record indexedDecision20 October 2020View record
© OpenStreetMapD26A/0019/WEBGranted57, South Avenue, Mount Merrion, Stillorgan, Co. Dublin, A94A7P1A) demolition of existing (single storey) garage/kitchen extension to side andDecision record indexedDecision11 March 2026View record
© OpenStreetMapD20B/0221Granted69 Trees Road Upper, Mount Merrion, Co. DublinPermission sought for proposed front single storeyDecision record indexedDecision01 April 2021View record
© OpenStreetMapD20B/0125Granted27 Thornhill Road, Mount Merrion, Blackrock, Co. Dublin A94 N8C5The development will consist of the construction ofDecision record indexedDecision10 July 2020View record
© OpenStreetMapD24A/0234Granted86, Trees Road Lower, Mount Merrion, Blackrock, Dublin, A94V2A0Two storey with attic dormer, 4 bedroom detached dwelling incorporatingDecision record indexedDecision31 May 2024View record
© OpenStreetMapD21B/0045Granted53 South Avenue, Mount Merrion, Co. Dublin, A94 E6W4Permission for development. The development will consist of:Decision record indexedDecision07 April 2021View record
© OpenStreetMapD19B/0472Granted47 South Avenue, Mount Merrion, Co DublinPermission for conversion of garage to breakfast room6 conditions indexedDecision15 January 2020View record
© OpenStreetMapD20A/0658GrantedNo.33 Thornhill Road, Mount Merrion, Co. DublinPermission for alterations and additions to existingDecision record indexedDecision11 November 2020View record
© OpenStreetMapD25B/0485/WEBGranted35, Cedarmount Road, Stillorgan, Blackrock, Dublin, A94T8X2Front porch extension with new side-facing window, a single-storey flat roof reaDecision record indexedDecision17 October 2025View record
© OpenStreetMapD20B/0050Granted18, Thornhill Road, Mount Merrion, Co. Dublin, A94 YX22Permission sought for (a) Removal of existing storey rear extension (b)Decision record indexedDecision19 August 2020View record
© OpenStreetMapD22A/0613Granted26, Thornhill Road, Mount Merrion, Dublin, A94N4V8Permission for development. The development will consist of the removalDecision record indexedDecision10 October 2022View record
© OpenStreetMapD22A/0975Granted39 Thornhill Road, Mount Merrion, Blackrock, Co Dublin, A94Y7V7Retention Permission. The development will consist of an increase to the existinDecision record indexedDecision03 February 2023View record
© OpenStreetMapD21A/0410Refused5, Clonmore Road, Mount Merrion, Dublin, A94W5C1Permission for development at this siteGrounds not yet categorisedDecision29 June 2021View record
© OpenStreetMapD19A/0883Granted5 Clonmore Road, Mount Merrion, Co. DublinPermission for development. The development will consist ofDecision record indexedDecision15 January 2020View record
© OpenStreetMapD21A/0453Granted8, Thornhill Road, Mount Merrion, Co DublinPermission is sought for the constructionDecision record indexedDecision14 July 2021View record
© OpenStreetMapD22A/0956Granted67, South Avenue, Mount Merrion, Dublin, A94 E2Y9Permission sought for demolition of existing garden screen wall, side wall of utDecision record indexedDecision01 February 2023View record
© OpenStreetMapD22B/0189Granted23, Cedarmount Road, Mount Merrion, County Dublin, A94P9K7Permission for an extension and refurbishmentDecision record indexedDecision30 June 2022View record
© OpenStreetMapD23A/0061Granted20, Clonmore Road, Mount Merrion, Blackrock, Dublin, A94W1X0Retention & Planning permission. i) Retention to retain a shed comprisingDecision record indexedDecision28 March 2023View record
© OpenStreetMapD22A/0712Refused20 Clonmore Road, Mount Merrion, Blackrock, A94 W1X0The development will consist of the demolition of the existing garage and shed,Grounds not yet categorisedDecision22 December 2022View record
© OpenStreetMapD22B/0072Granted36 Thornhill Road, Mount Merrion, Co. Dublin, A94A6K2Retention permission. The area to be retained consists ofDecision record indexedDecision11 April 2022View record
© OpenStreetMapD20A/0738Granted36, Thornhill Road, Mount Merrion, Co DublinRetention is sought for widenedDecision record indexedDecision01 December 2020View record
© OpenStreetMapD24A/0131Granted76, Trees Road Lower, Mount Merrion, Blackrock, Dublin, A94Y7A4A) Demolition of the existing rear extension and side garage. B) TheDecision record indexedDecision29 April 2024View record
© OpenStreetMapD24B/0345/WEBGranted48, Thornhill Oaks, Mount Merrion, Co. Dublin, A94 K0E7Permission is sought for The conversion of existing attic space to new bedroom aDecision record indexedDecision19 September 2024View record
© OpenStreetMapD25A/0089/WEBGranted40, Thornhill Road, Mount Merrion, Blackrock, Dublin, A94K4X0Retention Permission is sought for demolition of the existing dwelling and garagDecision record indexedDecision02 April 2025View record
© OpenStreetMapD23A/0302Granted40, Thornhill Road, Mount Merrion, Blackrock, Dublin, A94K4X0Demolition of the single storey conservatory extension to rear and theDecision record indexedDecision23 June 2023View record
© OpenStreetMapD23A/0524Granted118 Tree's Road Upper, Mount Merrion, Co. Dublin, A94 PR80Permission for the following: a) demolition of the existingDecision record indexedDecision29 September 2023View record
© OpenStreetMapD25B/0440/WEBGranted47, Cedarmount Road, Mount Merrion, Dublin, A94H5P8Planning Permission is sought for: Refurbishment of the existing house, with a nDecision record indexedDecision12 September 2025View record
© OpenStreetMapD23A/0459Granted123, Lower Kilmacud Road, Stillorgan, Dublin, A94N624Permission is sought to demolish the rear, side and part front wall of the houseDecision record indexedDecision11 March 2024View record
© OpenStreetMapD26B/0071/WEBGranted49 Thornhill Oaks, Cherrygarth, Mount Merrion, Blackrock, Dublin, A94Y8X5The development consists of the following: Conversion of existing attic space toDecision record indexedDecision31 March 2026View record
© OpenStreetMapD25A/0862/WEBGrantedThornhill Oaks, Cherrygarth, Mount Merrion, Blackrock, Co. Dublin, and Thornhill House (a Protected Structure) A94W7C5Oak View Property Developments Limited, intend to apply for Retention PermissionDecision record indexedDecision14 January 2026View record
© OpenStreetMapD24B/0425/WEBGrantedThornhill Oaks, Cherrygarth, Mount Merrion, Blackrock, Dublin, A94W7C5Oak View Property Developments Limited, intend to apply for Retention PermissioDecision record indexedDecision02 December 2024View record
© OpenStreetMapD23A/0185Refused43, Cherrygarth, Mount Merrion, Blackrock, Dublin, A94PF10Permission is sought for the subdivision of the existing property of (0.054 hectGrounds not yet categorisedDecision15 May 2023View record
© OpenStreetMapD24B/0421/WEBGranted29, South Avenue, Mount Merrion, Blackrock, Co. Dublin, A94R8D4Planning Permission for Attic conversion to convert and extended ridgeline fromDecision record indexedDecision25 November 2024View record
© OpenStreetMapD21A/0161RefusedSite of c. 1.39 ha, Thornhill House, Cherry Garth, Mount Merrion, Blackrock, Co.Dublin A Protected Structure (RPS No. 936)Permission for development. The proposed development will consist ofGrounds not yet categorisedDecision22 April 2021View record
© OpenStreetMapD20A/0432RefusedSite of c. 1.39 ha, Thornhill House, CherryGarth, Mount Merrion, Blackrock, Co. DublinPermission for development. The proposed development will consist ofGrounds not yet categorisedDecision14 August 2020View record
© OpenStreetMapD20A/0057RefusedAt a site of c.1.39ha, Thornhill House, Cherry Garth, Mount Merrion, Blackrock, Co. Dublin (Protected Structure Ref. No. 936)Permission for development. The proposed development will consist ofGrounds not yet categorisedDecision18 March 2020View record
© OpenStreetMapD22A/0998GrantedCheriton, 44 Cherrygarth, Mount Merrion, Blackrock, Co Dublin, A94A6P6Permission for a single storey extension to the front and side including the conDecision record indexedDecision14 February 2023View record