Renovation calculator · Kilkenny · 2026
Renovation cost calculator for Kilkenny.
Kilkenny operates close to the SCSI national mean for labour and material cost, with a renovation market shaped by its medieval-Georgian city core (the Slip area, Patrick Street, Parliament Street, Rose Inn Street) and the modern suburban belt across Bennettsbridge, Callan and Castlecomer commuter villages. The city's exceptional concentration of protected structures — Kilkenny has one of the highest densities of Listed Structures in Ireland per head of population — means almost any renovation in the medieval core triggers a Section 57 Declaration. Typical structural renovation: €172,000–€225,000.
Regional uplift vs national mean: −5% to +5% · SCSI Nov 2025 derived
Typical projects in Kilkenny 2026
Per-m² and per-project mid-range bands for Kilkenny, derived from SCSI Nov 2025 with the county’s specific uplift factor applied. EUR inclusive of 13.5% VAT, including 10% contingency and labour at local Engineers Ireland day-rates.
| Project | Mid-range € | Range in Kilkenny |
|---|---|---|
| Kitchen renovation (full strip + replace) | €22,000 | €13,000 – €43,500 |
| Single-storey rear extension (20 m²) | €49,500 | €34,000 – €74,000 |
| Listed-structure Section 57 declaration support | €3,500 | €2,000 – €6,500 |
| Structural engineer's foundation assessment | €2,500 | €1,500 – €4,500 |
| Attic conversion (room-in-roof + dormer) | €48,000 | €33,500 – €66,500 |
SCSI Nov 2025 + CSO COPI Q1 2026 + Engineers Ireland 2026, restated for Kilkenny. EUR inc-13.5% VAT, 10% contingency. Excludes professional fees + BCAR.
Kilkenny County Council operates extensive Architectural Conservation Areas across the city core, the Castle environs, the Cathedral area and the Rothe House quarter. The 2022 Kilkenny City and Environs Local Area Plan emphasises preservation of the medieval streetscape, which limits external alteration of city-core buildings. Outside the city the planning regime is more permissive. Kilkenny's regional-specific concern is limestone-foundation movement on the alkaline clay subsoils common to South Kilkenny — minor differential settlement is common in older properties, frequently requiring structural engineer's reassurance before any rear extension. Allow €1,500–€3,500 for a structural engineer's assessment on properties built pre-1980 with no prior foundation reinforcement.
Run a full estimate for your Kilkenny project
Five short steps, three spec tiers, itemised breakdown including the −5% to +5% uplift for Kilkenny. Free, no sign-up.
What are you renovating?
Select the type of work you're planning.
Long reads
Want the reasoning behind the Kilkenny numbers?
The cost guide explains where the underlying SCSI + CSO ranges come from, the eight Irish-specific hidden costs, and the 13.5% VAT treatment that catches 3 in 10 homeowners.
Renovation cost · 14 min
How much does it cost to renovate a house in Ireland in 2026?
SCSI Nov 2025 + CSO COPI data. Cost-by-scope / spec / region / room tables, the eight hidden costs nobody quotes for, BCAR / pyrite / mica risks, and the 13.5% VAT rate that catches 3 in 10.
Read the guideAI · 12 min
Can AI estimate an Irish renovation cost from a property photo?
We tested Claude Sonnet 4.5 vision against an SCSI-aligned QS on a real Dublin south-side semi. The seven Irish-specific hidden costs no AI model can see (pyrite, mica, BCAR, BER).
Read the guide