HILLSIDE, SEFFIN, BIRR
Extension and major renovations to an existing house in Birr, including raising the roof level and adding a garden room.
2641 · Offaly County Council · Lodged 5 May 2026
- Reference
- 2641
- Authority
- Offaly County Council
- Register status
- Decided
- Type
- PERMISSION
- Received
- 5 May 2026
- Residential units
- 1
- Floor area
- 305 m²
Summary
AI-generatedThe project involves a single-storey extension to the south-east, raising the current roof level to provide additional living space, and adding dormer windows and rooflights. It also includes enlarging the basement, adding bay windows, and constructing a detached domestic outbuilding for a garden room.
- Storey
- 1
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
A single storey extension to the south east of the existing dwelling, adustments to existing window and door opes throughout at ground floor level, the removal of an existing chimney and porch to south west , the addition of bay windows and extension to north east, the enlargement of the existing basement, the raising of the current roof level , for the provision of additional living accommodation, proposed dormer windows and rooflights, all internal modifications and a proposed single storey domestic outbuilding to include a garden room and all associated site works.
Land-use zoning
What this land is zoned for
“This zoning allows for the conservation and enhancement of the quality and character of existing residential areas, to protect residential amenities and to allow for small scale infill development.”
Objective set by the Birr Local Area 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 planBuilt & 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 |
|---|---|---|---|
| 10 Woodlane, Hillside, Birr | Jun 2026 | €320,000 | 316 m |
| 21 Woodlane, Hillside, Birr | Jul 2025 | €325,000 | 326 m |
| 10 Hillside, Birr, Offaly | Oct 2025 | €395,000 | 436 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 received5 May 2026
- Decision due29 June 2026
- Decision issued25 June 2026
In the area
Applications near this site
Other planning applications within about 500 m — what else is being proposed or built nearby.
- Granted50 m away
THE DEMOLITION OF AN EXISTING GARAGE TO THE NORTH EAST AND REPLACED WITH A SINGLE STOREY EXTENSION FORMING A…
HILLSIDE , SEFFIN , BIRR CO OFFALY
19246OffalyLodged 28 May 2019Extension
- Granted100 m away
PROPOSED SINGLE-STOREY EXTENSIONS TO BOTH THE NORTH AND SOUTH ELEVATIONS OF THE EXISTING DWELLING WITH THE…
NO. 4 HILLSIDE , SEFFIN , BIRR
16141OffalyLodged 16 May 2016Extension
- Granted170 m away
DEMOLITION OF THE EXISTING TWO STOREY WATER TREATMENT PLANT BUILDING, CONSTRUCTION OF A 2,000 M3 WATER…
BIRR WATER TREATMENT PLANT , SEEFIN , BIRR
16433OffalyLodged 22 Dec 2016Infrastructure
- Granted170 m away
THE UPGRADE TO BIRR WATER SUPPLY SCHEME WHICH WILL COMPRISE THE FOLLOWING AT THE EXISTING BIRR WATER…
SEEFIN , BIRR , CO. OFFALY
16145OffalyLodged 17 May 2016Infrastructure
- Awaiting decision240 m away
CONSTRUCTION OF 4 NO. TWO-STOREY DWELLINGS WITH GARAGES, CONNECTIONS TO MAINS PUBLIC SERVICES, A PROPOSED…
MILITARY ROAD , SEEFIN , BIRR CO. OFFALY.
20316OffalyLodged 23 Jul 2020Housing estate
- Awaiting decision240 m away
THE CONSTRUCTION OF 4 NO. TWO STOREY DWELLINGS WITH GARAGE'S, CONNECTIONS TO MAINS PUBLIC SERVICES, A…
MILITARY ROAD , BIRR , CO OFFALY
20287OffalyLodged 10 Jul 2020Housing estate
- Granted250 m away
REMOVAL OF EXISTING ROOF TO BE REPLACED WITH NEW ROOF WITH INCREASED EAVES AND APEX HEIGHT INCORPORATING NEW…
MILITARY ROAD , BIRR , CO. OFFALY
19400OffalyLodged 13 Aug 2019Extension
- Awaiting decision250 m away
REMOVAL OF EXISTING ROOF TO BE REPLACED WITH A NEW ROOF WITH INCREASED EAVES & APEX HEIGHT — DEMOLITION OF…
MILITARY ROAD , BIRR , CO. OFFALY
21557OffalyLodged 10 Sept 2021Extension
Related developments
Similar applications
Ranked by what these developments actually propose, not by matching words — so you can see how comparable applications were decided.
- GrantedExtension
CONSTRUCTION OF AN ENTRANCE PORCH TO THE EAST WITH SINGLE STOREY EXTENSIONS TO BOTH THE SOUTH AND WEST OF THE…
LUGANISKA BALLYBOY , KILCORMAC BIRR , CO OFFALY
20168OffalyLodged 8 May 2020
- GrantedExtension
(1) CONSTRUCTION OF A PROPOSED SINGLE STOREY EXTENSION TO THE SIDE OF EXISTING HOUSE WITH A NEW SINGLE STOREY…
BALLINCRICK & BALLYNABROCKY , PORTSALON , LETTERKENNY PO
2560407DonegalLodged 20 Mar 2025
- Awaiting decisionRetention
MINOR ALTERATIONS TO EXISTING DWELLING COMPRISING; REVISED FRONT PORCH AND BAY WINDOW DESIGN, REAR SINGLE…
SWILLY ROAD , ARDARAVAN , BUNCRANA
1850618DonegalLodged 20 Apr 2018
- GrantedExtension
(1) CONSTRUCT NEW EXTENSIONS TO THE FRONT AND REAR OF THE EXISTING DWELLING, (2) MAKE REVISIONS TO THE…
TIERACLEA LOWER , TARBERT , CO KERRY
23362KerryLodged 4 Apr 2023
- GrantedExtension
THE DEMOLITION OF EXISTING OUTBUILDINGS, A SINGLE STOREY EXTENSION TO THE REAR, REMOVAL OF CHIMNEYS AND THE…
SPOLLANSTOWN , TULLAMORE , CO. OFFALY
23387OffalyLodged 2 Oct 2023
- GrantedExtension
(1)ALTERATIONS TO INTERNAL LAYOUT OF THE DWELLING AT BOTH GROUND AND FIRST FLOOR LEVELS (2)ERECTION OF…
TRIMRAGH , LETTERKENNY , CO DONEGAL
2152510DonegalLodged 15 Dec 2021
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