InvalidRetentionDecided 5 June 2026

131 Roselawn Road, Blanchardstown, Dublin 15, D15 NP7W

Retention of modifications to a previously approved house extension, including rainwater planters.

FW26A/0219E · Fingal County Council · Lodged 2 June 2026

Reference: FW26A/0219E
Authority: Fingal County Council
Register status: Invalid or incomplete
Type: Retention
Received: 2 June 2026

Summary

AI-generated

Retention permission is sought for modifications to a previously approved two-storey house extension. The changes include installing two rainwater planters instead of a soakaway system, alongside minor window modifications.

Retentionretentiondrainagefenestration

Generated from the description above by an AI model and may contain mistakes. The council’s description is the authoritative record.

Official record

Development description

Retention planning permission is sought by thomas duffy and marta smolen for modifications to the previously approved planning permission reg. Ref. Fw25a/0125e, for alteration and extension of the existing two storey four bedroom semi-detached house at 131 roselawn road, blanchardstown, dublin 15, d15 np7w. Modifications to the previously approved design comprising provision of 2no. Rainwater planters in lieu of aquacell eco soakaway system plus various minor modifications to the approved fenestration.

Land-use zoning

What this land is zoned for

RS - ResidentialRS

“Provide for residential development and protect and improve residential amenity”

National zoning type: Existing residential

Objective set by the The Fingal Development Plan 2023 – 2029 (2023–2029). The planning authority decides each application on its own merits — this is the zoning context, not a compliance assessment.

Read the zoning objectives in the development plan

Built & sold

What happened next

Beyond the decision: whether this development was built, and what property here has sold for.

Recent sales nearby

within 500 m

Residential Property Price Register sales within 500 metres of this site
Address	Date	Price	Distance
143 Roselawn Rd, Castleknock, Dublin 15	May 2025	€183,333	50 m
23 Brompton Green, Castleknock, Dublin 15	Jan 2025	€635,000	83 m
19 Brompton Green, Castleknock, Dublin 15not full market price	Dec 2025	€400,000	96 m
157 Roselawn Rd, Castleknock, Dublin 15	Apr 2025	€602,000	110 m
25 Castleknock Close, Laurel Lodge, Castleknock Dublin 15	Mar 2026	€604,000	118 m
82 Roselawn Rd, Blanchardstown, Dublin 15	Oct 2025	€535,000	120 m
5 Roselawn Grove, Castleknock, Dublin 15	Jun 2026	€700,000	140 m
12 Brompton Green, Castleknock, Dublin 15	Jul 2025	€640,000	147 m

Nearby properties, not this site — a guide to local values.

Sources: Building Control Management System (commencement notices) and the Residential Property Price Register, licensed under CC BY 4.0. Records are matched to this application by location and may not be exhaustive; always confirm against the official source before relying on them.

Key dates

Timeline

Application received2 June 2026
Decision due27 July 2026
Decision issued5 June 2026

In the area

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