Utilities Viability Check

D-UV-001 v1.16.0 | Desktop Utility Assessment for Development Sites

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🏗️ Project Details

Project Name ?What: Reference identifier for this assessment. Not used in calculations.

Location / Eircode ?What: Used for ESB Networks area identification.
Typical: D01–D24 = Dublin city/suburbs
Source: PSRA / property listing

Building Type

GIA (m²) ?What: Gross Internal Area — total floor area across all floors.
Typical: Small: <2,000m². Medium: 2,000–10,000m². Large: >10,000m².
Source: Architect area schedule
⚠ Use GFA not NIA — plant space is part of GFA

Number of Floors ?What: Above-ground storeys. Affects riser and transformer sizing.
Typical: Office: 3–8 typical. Hotel: 4–12.
Source: Architect concept design
⚠ Buildings >8 storeys may require 11kV supply study

⚡ Electrical Context

Heating System

Car Park Spaces ?What: Number of car park spaces — determines EV charging infrastructure requirement.
Typical: TGD Part L / SI 393/2021 requires EV provision on new builds and major refurbs.
Source: SI 393/2021
⚠ Each EV point adds ~7kW to ESB demand. 100 spaces = 700kW minimum allowance

TGD Part L requires EV provision on new builds

Project Stage

🔧 Existing Utilities (if known)

Existing ESB Supply ?What: Current electrical supply size from ESB Networks.
Typical: Small office: 100–200 kVA. Large office/hotel: 500–1,000 kVA. Hospital: 1,000kVA+.
Source: ESB Networks / existing MIC agreement
⚠ Upgrading ESB supply can take 12–24 months and cost €50k–500k+

Gas Supply ?What: Whether mains gas is available at the site.
Typical: Not all urban sites have gas — check GNI records.
Source: Gas Networks Ireland (GNI) / site survey
⚠ Gas-free sites must rely on ASHP/district heating — significant cost and space implications

Check all that apply:

Basement / below-ground levels

Sprinklers required / likely

Server room / comms hub

Food service / commercial kitchen

Swimming pool / spa

Backup generator required

🔌 Utilities Viability Assessment —

Indicative screening result only — for early appraisal and feasibility review, not design sign-off, utility confirmation, or statutory compliance.

What this tool can't tell you:This tool uses desktop assessment. It can't confirm actual network capacity. An S1 Deal Viability Memo includes utility capacity screening with ESB/IW/GNI risk assessment — helping you decide whether utilities risk is likely to undermine the deal. Commission an S1 Deal Viability Memo →

S1 · From €2,500 + VAT · Professional sign-off included

⚠️ IMPORTANT

This tool provides indicative guidance only. It does not constitute professional advice, a formal assessment, or a compliance check. All outputs should be verified by a qualified MEP engineer before use in any decision-making process. Utility availability, capacity, and connection costs should be confirmed directly with each utility provider.

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This tool provides screening-level guidance. For a professional assessment with chartered engineer sign-off, detailed costings, and a client-ready report — send us what you have. We'll confirm scope and fee within 4 hours.

S1 Deal Viability Memo | Early decision support | From €2,500 + VAT

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📊 See what an S1 Deal Viability Memo delivers — Kestrel House sample

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Desktop Assessment Only — based on building type benchmarks and typical Irish utility infrastructure

Standards: ESB Networks Connection Policy · Gas Networks Ireland · CRU (Commission for Regulation of Utilities) · IS 10101:2020 · TGD Part L 2021

Sources: ESB Networks NC Process, Irish Water Connection Policy, CRU/Gas Networks Ireland, CIBSE Guide F

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