THE IRS CONSTRUCTION TEAM
Meet the Team
The people behind every IRS project, from the first tender to the final handover.
Leadership
IRS is led by its two Joint Managing Directors, who set the direction for every project we take on.
Brendan Collum
Brendan founded IRS in 2013, after more than 30 years in façade replacement. He leads the business and oversees every fire safety remediation project, giving each one clear strategic direction and hands-on operational oversight.
Bob Deane
Bob was Managing Director of Wetherby Wall Systems, now part of the ROCKWOOL Group, before joining IRS. He brings deep external wall insulation expertise to the leadership of the business, alongside Brendan.
Commercial
The commercial team prices, tenders and manages the cost of every project, from first estimate to final account.
Richard Corrigan
Richie leads the commercial team and IRS’s tendering activity, bringing together scope, cost, risk and client requirements from the outset.
Howard Turner
Howard brings more than 30 years in construction, with specialist knowledge of façades, rainscreen, render systems and through-wall construction. He leads the commercial management of IRS fire safety projects, with a focus on cost, risk and value.
Anne Collum
Anne looks after the financial health of the business, from budgets and reporting to the systems that keep payments, invoicing and cost control running properly.
Alan Hilditch
Alan leads commercial management across External Wall Insulation and Whole House Retrofit projects. He manages budgets, cost control and contractual requirements from delivery through to final account.
Joseph Collum
Joseph supports cost planning, valuations and variations across live projects, maintaining accurate commercial information from pre-construction through to handover.
Gavin Sanderson
Gavin manages cost on live projects, from measurement and valuations through to final account, working closely with site teams to keep schemes on budget.
Callum Welsh
Callum handles cost planning and valuations across our projects, keeping commercial records accurate and up to date as the work progresses.
Louis Collum
Louis supports the surveying team across live projects, measuring work, tracking costs and keeping commercial records up to date.
Jacob Welsh
Jacob brings 13 years’ experience across contractor and consultancy roles in the UK and the Middle East. He specialises in cladding replacement and façade compliance, including Building Safety Fund and CCS-backed schemes and Gateway 2 applications.
Adam Taylor-Wynne
Adam manages our Warmworks framework obligations, working with the delivery team to make sure every requirement is met.
Rory Drinkwater-Casson
Rory has recently joined IRS as an Apprentice Quantity Surveyor. He works alongside our commercial team on live projects, building his skills in cost tracking, measurement and valuations.
Business Development & Supply Chain
Creating routes to work, and making sure delivery is ready for it.
Nigel Coxon
Nigel has 36 years in construction. He leads the pre-construction stage on high-rise residential and fire remediation schemes, shaping approach, programme and operational buildability before work starts on site, and works with clients from the earliest conversations.
Sara Dewar
Sara manages IRS’s framework appointments and relationships, helping clients understand the procurement routes available to them and identifying opportunities where IRS’s specialist capability is a strong fit. She is also the quality lead for frameworks and tendering.
Jenny Kitchen
Jenny develops relationships across housing, building safety and retrofit, connecting clients and partners with the right IRS expertise at the right stage of a project.
Mark Arnold
Mark brings 15 years’ experience in External Wall Insulation and a technical background in colour systems. He manages supply chain relationships and material procurement, helping ensure compliant products are available when projects need them.
Diane Webster
Diane is a Chartered Marketer with more than 25 years’ experience across multiple industries. Since joining IRS in 2024, she has led the brand, website, case studies and tender content, turning the team’s work on site into stories clients can trust.
We bring the right people, expertise and controls together.
Complex remediation brings together regulation, design, materials, construction, residents and evidence. As Principal Contractor, we take responsibility for bringing all those elements together.
We control delivery, coordinate the right expertise and keep the project aligned from early involvement through to handover.
Safe, controlled delivery, never losing sight of the people living there.
Project Delivery
Taking projects from planning into controlled construction delivery.
Nigel Williams
Nigel leads operational delivery across IRS fire safety projects, coordinating programme, health and safety, quality and the construction requirements associated with higher-risk building work.
Pat McKenna
Pat leads operational delivery across External Wall Insulation and Whole House Retrofit. He coordinates programme, teams, health and safety and quality across live projects.
Ian Hudson
Ian brings more than 45 years’ experience across infrastructure, residential, commercial and complex construction. His recent work centres on occupied high-rise fire remediation, including Building Safety Fund projects and schemes progressing through Gateway 2.
David Wilson
David brings more than 30 years’ construction experience following a 23-year career in HM Forces, where he reached Warrant Officer Class 1. His experience spans both client and contractor roles and includes major façade remediation schemes such as Brent Council and Angel Meadow.
Scott McDonald
Scott leads IRS projects in Scotland at senior level, managing day-to-day delivery and coordinating clients, site teams and residents.
Bradley Pearson-Moore
Bradley works across project delivery, coordinating site activity, programme and safety alongside IRS’s wider project team.
David Walters
David manages live projects from mobilisation through to handover, working closely with clients, site teams and specialist contractors.
Design, Quality & Compliance
Keeping approved information, construction quality and project evidence connected.
Iain Mitchell
Iain brings more than 25 years’ experience in senior construction roles. He leads design coordination and quality assurance across projects including Advent 1, 2 and 3 and The Blake, helping maintain clear, controlled project information through the Building Safety Regulator’s gateway process.
Ryan Cork
Ryan brings more than 10 years’ construction experience, progressing from bricklaying and site management into quality assurance. He leads quality across fire remediation and cladding projects including Advent 1, 2 and 3 and Greenhouse, with a strong focus on getting work right first time.
Alex Demidh
Alex has recently joined our quality team. He works across live projects on inspections, audits and evidence, helping make sure every stage is signed off properly.
Lukasz Palyga
Lukasz has recently joined our quality team. He supports quality assurance on site, checking work as it progresses and keeping records straight.
Andy Walton
Andy works across design and compliance on live projects, making sure the detail behind each scheme is right and the evidence is there when it’s needed.
Izabela Rybak
Izabela keeps project records in order, managing drawings, certificates and version control so the right document is always to hand and project evidence holds together.
Site Management
Keeping construction safe, controlled and moving on occupied sites.
Jamie Dixon
Jamie brings more than 40 years’ construction experience, specialising in industrial roofing, cladding and high-rise fire remediation. He manages site quality and installation detail, helping ensure work is delivered in line with the approved design and project requirements.
Duncan McHugh
Duncan brings more than 30 years’ experience across housing, refurbishment and commercial construction. On fire remediation projects, he works closely with design teams while managing site operations, health and safety and quality assurance.
Carl Stirling
Carl is a time-served bricklayer with 36 years’ experience across the building trade. He specialises in fire remediation, façade retention and temporary works in occupied buildings, including Butterbiggins Road in Glasgow.
Gordon Coulter
Gordon runs the day to day on site, coordinating trades, sequencing work and keeping residents safe while their homes stay occupied.
Tim Henthorn
Tim brings 30 years’ experience delivering social housing and large residential projects, with specialist knowledge of passive fire protection and PAS 2030 retrofit. He coordinates site teams, specialist contractors and residents to keep work safe and moving.
Simon Moore
Simon runs site operations day to day, coordinating trades and subcontractors to deliver safe, high-quality work in occupied buildings.
Colin Redmond
Colin runs site operations day to day, managing trades, access and sequencing so the work stays safe and residents are looked after throughout.
Jamie Dixon
Duncan McHugh
Carl Stirling
Gordon Coulter
Tim Henthorn
Simon Moore
Colin Redmond
Scotland
Supporting Building Standards, project records and commercial administration across our Scottish work.
David Nairn
David supports IRS’s Scottish operations across subcontractor payments and project administration. He also leads the team managing Building Warrant applications for the Warmworks contract and provides day-to-day IT support to the Scottish office.
James McKenna
James manages key compliance records across IRS projects in Scotland, including SWIGA guarantees, Gas Safe certificates, Building Warrants and Completion Certificates.
Antonio Collum
Antonio supports Building Warrant administration across IRS projects in Scotland while studying part-time towards a degree in Quantity Surveying.
Steven Rennie
Steven keeps quality front and centre on our Scotland projects. He runs inspections and audits, records evidence as work progresses, and makes sure each stage is signed off to the standard the building safety regime requires.
Roddy McLeod
Roddy manages our sites in Scotland day to day, working closely with the project team to keep work safe, well sequenced and on programme.
The building is our workplace. It’s somebody else’s home.
Our Resident Liaison team works alongside project delivery to make sure residents know what is happening, understand how the work may affect them and have a clear point of contact throughout.
A named person makes a difference.
Resident Liaison
Supporting residents throughout the works, with clear updates, safer working and faster answers.
Simone Coppenger
Simone leads our nationwide team of Resident Liaison Officers. With more than seven years’ experience on social and residential schemes, she works with residents, leaseholders and local communities to make sure communication is clear and concerns are understood and acted on.
Demi Razaq
Demi is residents’ first point of contact on site. She answers day-to-day questions, talks residents through programme timings, and makes sure any concern is picked up quickly, so people always know what’s happening and when.
Helen Randell
Helen keeps residents informed from start to finish. She runs resident meetings, shares clear updates on the works, and arranges access with care, so homes stay safe and the programme keeps moving.
Noel Boyle
Noel makes sure every resident gets the support that’s right for them. He handles access requirements, answers queries as they come up, and gives extra support to residents with individual needs throughout the works.
Office & Administration
Keeping the people, payments and information behind our projects moving.
Shannon Nicholson
Shannon manages day-to-day office operations and supports finance across the business, processing wages, supplier payments and invoices.
Dougie Anderson
Dougie supports the finance side of the business, processing payments and keeping accounts records accurate and up to date.
Lynn Friend
Lynn supports office and project teams with day-to-day administration, helping keep records, paperwork and communication organised across the business.
Bring us in before the design is fixed
Early engagement under a PCSA is where the risk comes out of a remediation project. It is also where the programme is won or lost.
SCOTLAND
74 Glencraig Street
Airdrie, North Lanarkshire
ML6 9AS
NORTHERN REGION
Unit 12 Ashburton Park
Trafford Park, Manchester
M17 1EH
SOUTHERN REGION
Unit 3, 362B Spring Road
Southampton
SO19 2PB
Insulated Render Systems (Scotland) Ltd, trading as IRS Construction · Registered in Scotland no. SC441561 · © 2026