KNAPPAGH MORE, WESTPORT, CO. MAYO
Retention of a replacement septic tank and permission to upgrade the percolation bed to a tertiary treatment system.
19945 · Mayo County Council · Lodged 28 November 2019
- Reference
- 19945
- Authority
- Mayo County Council
- Register status
- Decided
- Type
- RETENTION
- Received
- 28 November 2019
Summary
AI-generatedThe applicant is seeking retention permission for a replacement septic tank at an existing dwelling. They are also proposing to upgrade the percolation bed to a tertiary treatment system, including all ancillary site works.
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
Retain replacement septic tank and proposed upgrade of percolation bed to tertiary treatment system and ancillary site works at dwelling house
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| Address | Date | Price | Distance |
|---|---|---|---|
| Cartref, Knappagh, Westportnot full market price | Dec 2025 | €160,000 | 130 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 received28 November 2019
- Decision due31 January 2020
- Decision issued16 January 2020
- Grant issued19 February 2020
- Permission expiry18 February 2025
In the area
Applications near this site
Other planning applications within about 500 m — what else is being proposed or built nearby.
- Awaiting decisionAt this site
Retain existing detached storage building for personal use ancillary to the existing dwelling
Knappagh More , Westport , Co. Mayo
2660526MayoLodged 3 Jul 2026
- RefusedAt this site
Close existing substandard driveway which serves the existing detached dwelling and adjoining land and…
Knappagh More , Westport , Co. Mayo
2360524MayoLodged 7 Dec 2023Change of use
- Awaiting decision330 m away
Retention of industrial building used as car valeting service and to erect 2 nos. associated roadside signage…
Knappagh Stores Ltd , Knappagh , Westport
25477MayoLodged 21 Nov 2025Retention
- Granted430 m away
EXTENSIONS TO EXISTING DWELLING HOUSE, DOMESTIC GARAGE LINKED TO PROPOSED EXTENSION, NEW PROPRIETARY EFFLUENT…
KNAPPAGH MORE , WESTPORT
211025MayoLodged 27 Sept 2021Extension
- Awaiting decision490 m away
CONVERSION OF EXISTING DETACHED DOMESTIC SHED TO SELF-CONTAINED UNIT
KNAPPAGHMORE , WESTPORT
20380MayoLodged 15 Jun 2020Change of use
Related developments
Similar applications
Ranked by what these developments actually propose, not by matching words — so you can see how comparable applications were decided.
- GrantedRetention
RETAIN EXISTING DWELLING HOUSE, UPGRADE EXISTING SEPTIC TANK SYSTEM TO INCLUDE NEW PROPRIETARY EFFLUENT…
KNOCKANILLO , BALLINA , CO MAYO
20962MayoLodged 9 Dec 2020
- GrantedRetention
RETAIN ALTERATIONS TO DWELLING HOUSE, AND UPGRADE SEPTIC TANK/FOUL TREATMENT SYSTEM AT REVISED LOCATION…
GREENWOOD , BALLYHAUNIS , CO. MAYO
16273MayoLodged 15 Apr 2016
- GrantedRetention
RETENTION OF EXISTING DWELLING HOUSE WITH UPGRADE TO EXISTING SEPTIC TANK AND PERCOLATION AREA INCLUDING…
CARTON/NEWTOWN , CLOGHER , BALLINA
18546MayoLodged 18 Jul 2018
- GrantedExtension
EXTEND AND RECONSTRUCT DWELLING HOUSE AND UPGRADE EXISTING SEPTIC TANK SYSTEM TO INCLUDE NEW PROPRIETARY…
BALLYKNOCK , BALLYCASTLE
19632MayoLodged 16 Aug 2019
- GrantedRetention
RETENTION OF EXISTING GROUND WORKS AND COMPLETION OF DWELLING HOUSE WITH UPGRADE TO EXISTING SEPTIC TANK AND…
RATHLACKAN , CARROWMORE LACKEN , BALLINA
1898MayoLodged 16 Feb 2018
- GrantedAlterations
REMOVING THE EXISTING SEPTIC TANK SYSTEM SERVING THE DWELLING HOUSE AND IN ITS PLACE TO INSTALL A NEW…
CASTLETOWN , CROSS , CLAREMORRIS
22558MayoLodged 7 Jul 2022
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