Blog

Planning Research & Case Studies

Archa covers all 31 Irish local authorities. The database contains over 2 million planning applications with data current to 24–48 hours. Connect at archa.ie/connect — works with Claude and ChatGPT, no technical setup required.

Latest
Permitted but Caught Out: Six Policy Changes Hit 170,000 Permitted Homes Mid-Flight

Permitted but Caught Out: Six Policy Changes Hit 170,000 Permitted Homes Mid-Flight

A 2019 permission and a 2024 build are different regulatory products. Lapse rates exceed 80% regardless of developer size, but one-site operators lose everything when a permission expires.

Archa Intelligence·
The RZLT Paradox: A Tax on Small Developers That Accelerates Land Consolidation

The RZLT Paradox: A Tax on Small Developers That Accelerates Land Consolidation

85% of recycled RZLT sites change hands. One-site developers sell under pressure. Institutional buyers acquire at discount. The tax designed to unlock land is concentrating it.

Archa Intelligence·
The Silent Lapse: For Every Developer Who Asks for More Time, Twenty Walk Away

The Silent Lapse: For Every Developer Who Asks for More Time, Twenty Walk Away

218 extension of duration applications made headlines. At most one in twenty developers with expiring permissions even files one.

Archa Intelligence·
Ireland Has a Viability Ceiling, Not a Planning Bottleneck

Ireland Has a Viability Ceiling, Not a Planning Bottleneck

218 residential extension of duration applications in Q1 2026 — above the Covid peak. The acceleration started months earlier than anyone noticed.

Archa Intelligence·
Dublin Grants the Most Homes and Builds the Fewest
data-analysis

Dublin Grants the Most Homes and Builds the Fewest

Only 31% of Dublin's permitted large schemes start construction, vs 68% in Cork. The bottleneck is not getting permission — it is what happens after.

Archa Intelligence·
Kilbride Arklow 666-Unit Refusal: What the Planning Documents Reveal
case-study

Kilbride Arklow 666-Unit Refusal: What the Planning Documents Reveal

Archa analysed the Kilbride AAP3 planning history — 5 applications, 2 councils, 107 national ABP appeals — to assess the 666-unit refusal.

Archa·
Kerry Glamping Planning Precedent Report: 61 Applications Analysed
case-study

Kerry Glamping Planning Precedent Report: 61 Applications Analysed

61 glamping applications and 291 planning documents from Kerry analysed — grant rate, refusal grounds, and appeal outcomes.

Archa·
That's everything for now. Join the beta