Adelaide Home Improvements PTY Ltd.

What Adelaide Home Improvements PTY Ltd. does

Adelaide Home Improvements PTY Ltd. is a family-owned residential construction firm headquartered in Linden Park, South Australia, founded in 1989. The company specializes in home extensions, renovations, and granny flats for individual property owners across the Adelaide metropolitan area, and has completed more than 180 projects over its 35+ year operating history. Service delivery is organized around three productized tiers — Add-A-Room Attached, Add-A-Room Granny Flat, and Add-An-Extension Custom — supported by an in-house Home Gallery showroom for material selection and free in-home design consultations.

The business operates on a fixed-price quoting model with a sales-led go-to-market built on referrals, an HIA-affiliated reputation, and an Excellent rating across 28 Google reviews. Owner/Director David Withers (30+ years tenure) leads alongside Construction Supervisor Neil (23+ years) and Design Manager Wayne (35+ years), with a small field crew executing the work. The firm maintains a long-standing supplier relationship with James Hardie Building Products and is a continuous 35-year member of the Housing Industry Association, which functions as a credibility signal in the local residential market.

Revenue mechanics are project-based and residential-only, with no disclosed commercial or enterprise contracts, no external funding, and no M&A activity. The company's digital footprint consists of a website, blog, and Houzz profile, supporting lead generation in a market where reputation and word-of-mouth remain the dominant acquisition channels. The combination of long tenure, deep local relationships, and a small fixed-cost structure positions the firm as a stable, lifestyle-scale operator rather than a high-growth venture.

Name

Adelaide Home Improvements PTY Ltd.

Legal name

Adelaide Home Improvements Pty Ltd

Website

https://adelaidehomeimprovements.com.au

Company type

Private

Founded year

1989

Operating status

Operating

Headcount range

1–10 employees

Short description

Family-owned Adelaide residential builder founded in 1989, specializing in home extensions, granny flats, and renovations for individual homeowners across South Australia via three fixed-price product tiers.

Ownership category

akta.pro rank

Product category

Residential Construction Services

NAICS

Residential Remodelers (236118), Residential Building Construction (23611)

SIC

General Bldg Contractors - Residential Bldgs (1520), Services-To Dwellings & Other Buildings (7340)

akta.pro primary industry

Bump-Out (Micro-Extension) Additions (HSAPADAA)

akta.pro secondary industries

Rear/Back-of-Home Extensions (HSAPADAC), Home Office / Studio Additions (HSAPADAI), Whole-Home Exterior Renovation (Envelope & Curb Appeal) (HSAPAEAD)

Keywords

• Home extensions
• Home renovations
• Granny flats
• Residential construction
• Design-build services

Headquarters

HQ city

Linden Park

HQ country

Australia

HQ region

Oceania

Offices1 record

Markets served

GTM type

B2C

Offering type

Services

Cost components

Personnel, Operations, Supply Chain, Marketing or Sales

Revenue model

1. Home Extensions and Renovations: One-time project-based revenue from major home extensions, renovations, and alterations. Projects range from custom-designed personalized solutions to predesigned Add-A-Room attached and granny flat solutions. Pricing is fixed price with transparent quotes.

Pricing tiers

Go-to-market motion1 record

Distribution channels3 records

Marketing channels6 records

Core offering

Adelaide Home Improvements is a family-owned South Australian builder that designs and constructs major home extensions, granny flats, and home renovations through an integrated design-build approach. Offerings include pre-designed Add-A-Room attached and detached (granny flat) solutions as well as fully custom personalized extensions and comprehensive home renovations, delivered under fixed-price contracts.

Product overview

Adelaide Home Improvements is a family-owned South Australian builder offering a three-tier product portfolio: Add-A-Room Attached Solutions (predesigned attached room extensions), Add-A-Room Granny Flat Solutions (predesigned detached secondary dwellings), and Add-An-Extension Personalised Solutions (custom-designed major home extensions from concept to completion). The company also provides comprehensive home renovation services. Their offerings range from single rooms (Family Room, Alfresco, Home Theatre) to whole-home transformations and granny flats for various uses including independent living, home offices, and teenage retreats.

Differentiator

Problem solved

Functional benefit

Products and services

• Add-A-Room Attached Solutions Predesigned attached room solutions for home extensions, including options for Alfresco, Bedroom and Ensuite, Family Room, Home Theatre, Two Bedroom and Bathroom, and Two Bedrooms configurations, built for homeowners in Adelaide metropolitan suburbs.
• Add-A-Room Granny Flat Solutions Predesigned detached granny flat solutions including 1 Bedroom, 2 Bedroom (Type A and B), Home Office/Studio, Rumpus Room/Mancave, and Teenage Retreat options, intended for homeowners seeking secondary dwellings for independent living, rental income, or family use.
• Add-An-Extension Personalised Solutions Fully custom-designed home extensions delivered from concept to completion, tailored to individual client requirements and budgets for Adelaide homeowners seeking major personalized additions to their existing homes.
• Home Renovations Home renovation services that enhance existing homes to modern standards, handling everything from approvals through to completion with guaranteed build quality and workmanship for Adelaide residential property owners.

Quantifiable outcome

• Over 180 projects completed in Adelaide metropolitan area
• +2 more outcomes

Named customers10 records

Segments3 records

Ideal customer profiles2 records

Technology focussed No

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Feature3 records

Partnerships

Two partnerships are on record, tiered core.

• James Hardie Building ProductscoreStrategic or Co-development PartnerTrusted long-term supplier of building products including decorative products, internal linings, and architectural panel systems like Archicentre Inraw panel. James Hardie provides innovative solutions for every project with products that offer aesthetic appeal and durability.
• Housing Industry Association (HIA)coreOthersIndustry association membership for 35 years providing credibility, industry standards adherence, and networking opportunities within the residential building industry in South Australia.

Scale indicators4 records

Recent moves5 records

Expansion highlights3 records

Broad incumbents

• Simonds Homes: National Australian home builder with renovations and extensions programs; comparable as a broad incumbent pushing into the same growing-family, secondary-dwelling segments in metro markets.
• Metricon: Australia's largest volume home builder with a national footprint; comparable as a broad incumbent now offering home renovation and extension products that increasingly overlap with AHI's offerings.
• Summit Homes: Established South Australian/Western Australian home builder with broader portfolio including renovations; comparable as a broader incumbent in the same Adelaide residential construction category.
• Porter Davis: Large Victorian-based Australian home builder with renovation offerings; comparable as a broad incumbent competing for homeowner renovation and extension spend nationally.

Direct peers

• Format Homes: Adelaide-based residential builder offering custom homes and renovations; directly comparable as a similarly sized South Australian design-build firm competing for the same homeowner extension and renovation projects.
• Hannay Douglas Builders: Adelaide residential builder specializing in home extensions and renovations; comparable due to overlapping service scope (extensions, renovations) and similar Adelaide metropolitan customer base.

Regional players

• Sterling Homes: Adelaide-based home builder with custom and renovation offerings; comparable regional peer serving Adelaide homeowners across new builds and alterations.
• Weeks Homes: South Australian volume home builder with renovation capabilities; comparable as a regional player offering both new builds and extension/renovation services to Adelaide homeowners.

Others

• James Hardie Building Products: Major Australian building materials supplier and existing strategic supplier partner to AHI; included as an ecosystem participant and enabler rather than a direct competitor, given their role providing cladding, linings, and architectural panels.

Emerging players

• Granny Flat Solutions: Australian granny flat and secondary dwelling specialist; comparable as an emerging player targeting the same secondary-dwelling/granny flat use case that AHI addresses with its detached Add-A-Room line.

Market position

Strengths4 records

Weaknesses4 records

Competitive moat3 records

Key risks5 records

Key highlights6 records

Customer concentration

• Facebookfacebook.com/adelaidehomeimprovements
• LinkedInlinkedin.com/company/adelaide-home-improvements-pty-ltd.
• Instagraminstagram.com/adlhomeimprovements

Revenue estimate

Valuation estimate

Number of profiles

Profiles3 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 Adelaide Home Improvements PTY Ltd.