Sustainability House

What Sustainability House does

Sustainability House, trading as SUHO, is an Australian Environmentally Sustainable Design (ESD) consultancy founded in 2003 by Director Jim Woolcock and headquartered in Edwardstown, South Australia with a secondary office in Melbourne, Victoria. The company provides energy efficiency assessments, building compliance services, and sustainable design consulting across five interconnected service lines: ESD Planning (council planning approvals including SMPs, SDAs, WMPs under Victorian SDAPP and similar frameworks), Design Advisory (Green Star, NABERS, WELL, LEED certification support), Modular Building Compliance (proprietary NCC Modular Handbook for prefab designs), Commercial Energy Efficiency (Section J/JV3 for Class 3-9 buildings), and Residential Energy Efficiency (NatHERS/BASIX for Class 1-2 buildings). Underlying technical capability spans energy modeling, thermal comfort analysis, Section J compliance assessment, NatHERS rating, Green Star certification consulting, JV3 verification, and DTS compliance pathways, with operational tools including BESS, STORM, and MUSIC modelling. The business runs a professional services model with project-based fees delivered via tiered packaged offerings (e.g., Air Tightness Essentials through Premium+; Commercial Construction through Futureproof; Residential Builder's through Architect's), bespoke quoting within 2-3 working days, and direct sales through website, phone, and on-site consultations. SUHO serves architects, builders, developers, homeowners, and modular construction firms across six Australian states (Queensland, New South Wales, Western Australia, South Australia, Tasmania, Victoria), with FY 2025 volume of 785 completed projects (487 residential, 243 commercial, 41 ESD planning), a cumulative customer base exceeding 750 businesses, and over 60,000 successful projects since inception. The company is bootstrapped and privately held with no disclosed funding rounds or external investors, employs a team of over 20 staff across two offices, and has accumulated 18+ industry awards including Good Design Awards, National Energy Efficiency Awards, and Master Builders Excellence Awards, anchored by the pioneering 10 Star Home demonstration project.

Name

Sustainability House

Legal name

SUHO

Website

https://suho.com.au

Company type

Private

Founded year

2003

Operating status

Operating

Headcount range

11–50 employees

Short description

SUHO (Sustainability House) is an Australian Environmentally Sustainable Design consultancy founded in 2003 that provides energy efficiency assessments, building compliance services, and green certification consulting to architects, builders, developers, and homeowners across six Australian states.

Ownership category

akta.pro rank

Product category

Sustainable Design Consulting

NAICS

Environmental Consulting Services (541620), Services to Buildings and Dwellings (5617)

SIC

Services-To Dwellings & Other Buildings (7340)

akta.pro primary industry

Sustainability & ESG Consulting (BPAHACAK)

akta.pro secondary industry

Real Estate ESG / Sustainability & Resilience Advisory (Decarbonization, Climate Risk) (BPAJANAI)

Keywords

• Sustainable design consulting
• Energy efficiency assessment
• Building compliance services
• ESD consultancy
• NatHERS rating services

Headquarters

HQ city

Edwardstown

HQ country

Australia

HQ region

Oceania

Offices2 records

Markets served

GTM type

B2B and B2C

Offering type

Services

Cost components

Personnel, Operations, Technology or R&D, Marketing or Sales, Infrastructure

Revenue model

1. ESD Consultancy Services: Professional consulting services for energy efficiency and sustainability assessments including Section J compliance, NatHERS ratings, Green Star certification, and planning reports. Revenue generated through project-based consultancy fees.
2. Air Tightness Testing Services: Blowerdoor testing and air tightness certification services with packaged tiers from basic testing to advanced analysis.
3. Package Sales: Pre-configured service packages including Essentials, Standard, Premium, Premium+ for air tightness; Construction, Industrial, Commercial, Futureproof for commercial; and Builder's, Developer's, Homeowner's, Architect's packs for residential.

Pricing tiers

Go-to-market motion1 record

Distribution channels3 records

Marketing channels9 records

Core offering

Sustainability House (SUHO) is an Australian consultancy that provides environmentally sustainable design (ESD) consulting, energy efficiency assessments, and building compliance services. The firm delivers Section J compliance, NatHERS ratings, JV3 verification, Green Star/NABERS/BASIX certification support, modular building compliance, ESD planning reports for council approvals, and blowerdoor air tightness testing for residential, commercial, and modular building projects across Australia.

Product overview

SUHO operates as a sustainability and energy efficiency consultancy offering a unified portfolio of interconnected services. The core offering spans five service lines: ESD Planning (for council planning approvals), Design Advisory (for Green Star and voluntary certifications), Modular Building Compliance, Commercial Energy Efficiency (Section J/JV3), and Residential Energy Efficiency (NatHERS/BASIX). These are complemented by Air Tightness Testing services and the flagship 10 Star Home demonstration project. The company also provides tiered package offerings (Air Tightness, Commercial, and Residential tiers) that layer additional assessments and certifications onto base services.

Differentiator

Problem solved

Functional benefit

Quantifiable outcome

• 785 completed projects in FY 2025
• +2 more outcomes

Named customers9 records

Segments5 records

Ideal customer profiles5 records

Technology focussed No

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Feature4 records

Partnerships

Nine partnerships are on record, tiered minor.

• PGH Bricks & PaversminorOthersProduct partner for the 10 Star Home project, supplying brick materials for the demonstration home showcasing sustainable building practices.
• ABBminorOthersTechnology partner for the 10 Star Home project, providing electrical and automation solutions for the sustainable demonstration home.
• KingspanminorOthersInsulation and building envelope partner for the 10 Star Home project, providing high-performance insulation materials.
• Tindo SolarminorOthersAustralian solar panel manufacturer partner for the 10 Star Home project, providing photovoltaic panels for renewable energy generation.
• SMAminorOthersSolar inverter technology partner for the 10 Star Home project, providing solar inverter solutions for the renewable energy system.
• Adelaide GeoexchangeminorOthersGeothermal heating/cooling technology partner for the 10 Star Home project, providing ground-source heat pump systems.
• BlueScopeminorOthersSteel manufacturer partner for the 10 Star Home project, providing Colorbond steel materials for roofing and cladding.
• prefabAUSminorOthersIndustry association membership for prefabricated and modular construction companies.
• Master Builders Association (MBA)minorOthersIndustry association membership for building and construction companies.

Scale indicators10 records

Recent moves6 records

Expansion highlights6 records

Direct peers

• Atelier Ten: Global environmental design consultancy with an Australian practice delivering ESD, energy modeling, and green building certification services for high-performance buildings; competes for the same enterprise and developer clients.
• pitt&sherry: Australian engineering consultancy with a building services and sustainability practice offering ESD advisory, Section J compliance, and Green Star support across commercial and residential projects.
• Steensen Varming: Australian engineering consultancy specializing in building services and sustainability, providing ESD advisory and energy efficiency services for commercial and residential developments.
• MEERA Consulting: Australian ESD and building sustainability consultancy providing NatHERS, Section J, Green Star, and NCC compliance services to residential and commercial clients — the most directly comparable specialist peer in the same geography and segment.

Broad incumbents

• Aurecon: Large Australian-headquartered engineering and advisory firm with a sustainability practice delivering ESD, Section J, and Green Star services for major commercial and infrastructure projects.
• AECOM: Global infrastructure consultancy with a building sustainability practice delivering ESD, Section J, Green Star, and NABERS work in Australia, leveraging scale on large enterprise tenders.
• WSP: Global engineering professional services firm with sustainability advisory capabilities including ESD, Green Star, and NABERS services in Australia, often bundled with broader property and buildings mandates.
• Northrop Consulting Engineers: Australian multidisciplinary engineering firm with a sustainability and ESD practice serving commercial and residential projects across multiple states — overlapping service scope and customer base with SUHO.
• Cundall: Global engineering consultancy with a dedicated sustainability team providing ESD advisory, NABERS, Green Star, and WELL certification services, including in Australia; competes on enterprise commercial mandates.
• Arup: Global engineering consultancy with a leading built environment sustainability practice offering ESD, energy modeling, and green building certification; competes for major Australian commercial and infrastructure projects.

Market position

Strengths5 records

Weaknesses5 records

Competitive moat4 records

Key risks6 records

Key highlights7 records

Customer concentration

• YouTubeyoutube.com/channel/UCJShmmM_KOEokL4haWQqdfw
• Facebookfacebook.com/SUHOAustralia
• LinkedInlinkedin.com/company/suhoaustralia
• Instagraminstagram.com/suhoaustralia

Compliance7 records

Revenue estimate

Valuation estimate

Number of profiles

Profiles12 records

Funding overview

Funding rounds

Investors

Funding detail is available on the Subscription and Enterprise plan.Contact sales →

M&A

Investments

M&A and investment is available on the Subscription and Enterprise plan.Contact sales →

Frequently asked questions about Sustainability House