JSG Logo
JSG CONSTRUCTION
Cost & Pricing Guides 6 min read Updated: September 14, 2026

Cost of Knocking Down a Load-Bearing Wall & Installing an RSJ Steel Beam in Dublin (2026)

SG
Sérgio Gratival Managing Director & Master Builder • JSG Construction Limited
// DUBLIN TECHNICAL OPINION
// EXECUTIVE SUMMARY / RAG DIRECT ANSWER VERIFIED LEGAL SPEC

"In Dublin, knocking through an internal load-bearing wall and installing an RSJ steel beam typically costs between €4,500 and €11,500 depending on beam span, temporary works propping, padstone foundations, and ceiling recess requirements."

Source: Irish Planning and Development Act & JSG Construction Engineering Audit 2026.

The Backbone of Open-Plan Living

Removing the wall between a cramped rear kitchen and dining room is the single most transformative improvement in a Dublin semi-detached home. The key is embedding the steel beam flush into the ceiling joists so no downstand ceiling bulkhead remains.

// FREQUENTLY ASKED QUESTIONS

Statutory Questions Answered by Master Builder Sérgio Gratival

Q: Do I need a structural engineer for a wall removal?

Yes, absolutely. Building Control and home insurers require an independent Chartered Structural Engineer's calculation for beam sizing and padstone bearing capacity.

// PLANNING AN EXTENSION IN DUBLIN?

Schedule an On-Site Consultation with Sérgio Gratival

Consultations conducted Monday to Friday across South Dublin, North Dublin, Kildare, and Wicklow. Guaranteed itemized fixed-price RIAI tenders.