Business Details
Expert Construction Services in Enfield
At Sullivan Brothers, we are dedicated to setting the highest standard for excellence in every construction project we undertake. With over four decades of expertise, our family-run business specialises in commercial, residential, heritage, and public sector projects across London and the Home Counties. Our commitment to teamwork, integrity, and loyalty ensures all projects meet stringent building regulations and standards while delivering exceptional results. We combine a skilled in-house team with trusted supply chain partners to maintain quality control and flexibility, enabling us to complete projects on time and within budget.Our collaborative approach prioritises clear communication and client satisfaction, underpinned by a proven track record of successful developments. From concept to completion, we focus on precision and efficiency, tailoring solutions to meet unique client needs. Our dedication to innovation and quality craftsmanship has earned us a high referral rate and a reputation for excellence in project management. We are proud to serve as a steadfast member of the local community, continuously striving to push the boundaries of construction through superior workmanship and forward-thinking practices.
Services
Commercial Construction
Residential Projects
Heritage Restoration
Public Sector Works
Design and Build
Highlights and features
- We have over 40 years of experience in London's construction sector.
- Our in-house team ensures quality control and project flexibility.
- We maintain long-term partnerships with trusted supply chain experts.
- We specialise in complex public sector and heritage restoration projects.
- Our collaborative approach prioritises clear communication and client needs.
What people say
Exceptional quality
Timely delivery
Client-focused approach
Skilled team
Excellent communication
Services
Commercial Construction
We deliver professional commercial projects tailored to business needs, focusing on operational efficiency and timely completion. Our expertise includes value engineering to align with client budgets while maintaining quality standards. From office complexes to meanwhile spaces, we provide innovative solutions that enhance business environments through strategic planning and execution.
Heritage Restoration
Specialising in historic building restoration, we combine respect for architectural heritage with modern techniques. Our team meticulously preserves original features while adapting structures for contemporary use, ensuring compliance with conservation regulations. This service caters to clients seeking to maintain historical integrity while achieving functional modernisation across listed properties and conservation areas.
Public Sector Works
We execute public sector projects with flexibility to accommodate access constraints in live environments. Our collaborative approach ensures compliance with strict regulations while delivering community-focused developments. From civic buildings to social housing, we prioritise stakeholder engagement and sustainable practices to create lasting public infrastructure that meets evolving societal needs.
Residential Projects
Offering bespoke residential solutions from new builds to renovations, we focus on quality craftsmanship and client vision realisation. Our services cover complete property transformations, including demolitions and rebuilds, tailored to individual requirements. We ensure seamless processes through dedicated project management, delivering high-end homes that combine aesthetic appeal with functional modern living standards.
Design and Build
Our integrated design and build service provides end-to-end project management from concept to completion. This approach ensures cohesive planning, cost efficiency, and streamlined execution across all sectors. Clients benefit from single-point accountability, reduced timelines, and customised solutions that align architectural vision with practical construction requirements for commercial, residential, and public sector developments.
People
Daniel O'Sullivan
Chairman
With over four decades of industry experience, Daniel oversees strategic direction while maintaining our family values of integrity and excellence in all construction projects undertaken across London and the Home Counties.
John O'Sullivan
Joint Managing Director
Bringing extensive operational expertise, John leads day-to-day management with a focus on client relationships and project delivery standards, ensuring our commitment to quality craftsmanship remains uncompromised.
Michael O'Sullivan
Joint Managing Director
Michael drives business growth while maintaining technical excellence, leveraging his deep understanding of construction methodologies to deliver complex projects that meet evolving industry standards and client expectations.
Katie Patrick
Finance Director
Katie manages all financial operations with over 15 years' experience in construction finance, ensuring fiscal responsibility and supporting strategic decision-making while maintaining compliance with industry accounting standards.
Steve Donovan
Construction Director
As Construction Director, Steve oversees project execution with a focus on quality control, managing our skilled in-house tradespeople and supply chain partners to deliver projects on time and to exacting standards.
Questions
What construction sectors do you specialise in?
We specialise in commercial, residential, heritage, and public sector projects across London and the Home Counties.
How long has your company been operating?
Our family-run business has delivered construction excellence for over 40 years with a proven industry track record.
Do you handle both new builds and renovations?
Yes, we provide complete solutions including new builds, demolitions, rebuilds, and high-end property renovations across all sectors.
How do you ensure project quality control?
We combine skilled in-house tradespeople with trusted supply chain partners, maintaining strict quality standards through regular performance monitoring.
Can you work on listed/historic buildings?
Yes, our heritage specialists have extensive experience in restoring and adapting historic buildings while preserving architectural integrity.
