Principal Designer Services in London
On projects with more than one contractor, CDM 2015 requires the client to appoint a principal designer to plan and coordinate health and safety in the pre-construction phase. Wimbledon Surveyors fulfils that duty across London, keeping your project compliant and safe. Check your CDM duties.
Your Legal Duty as Client
Many domestic and commercial clients don’t realise CDM 2015 applies to them. We explain what the regulations require on your project and take on the duties that can be delegated.
Pre-Construction Planning
We identify and coordinate design-stage health and safety risks — asbestos, structural openings, work at height — so they are designed out or managed before anyone is on site.
The Health & Safety File
We compile the pre-construction information and the health and safety file handed over at completion, which future owners, buyers and their surveyors will expect to see.
Working With Your Team
We coordinate with architects, engineers and the principal contractor, integrating naturally where we already provide contract administration on the same project.
Appoint a Principal Designer
Stay compliant from day one. See our project management services or request a proposal.
Principal Designer Services under CDM 2015 and the Building Regulations
Construction projects in England now carry two parallel sets of dutyholder obligations — health and safety duties under the Construction (Design and Management) Regulations 2015, and building safety duties under the Building Regulations dutyholder regime introduced by the Building Safety Act. Both require a principal designer on projects with more than one contractor, and both place real legal duties on clients, including domestic clients’ projects where duties pass to designers and contractors. We provide principal designer services across London and Essex, keeping projects compliant and clients out of trouble they often do not know exists.
Principal Designer (CDM 2015)
The CDM principal designer plans, manages and coordinates health and safety in the pre-construction phase: identifying foreseeable risks — asbestos, structural stability during alteration, work at height, occupied premises — and making sure the design reduces them before anyone is on site. We prepare pre-construction information, coordinate designers’ risk input, liaise with the principal contractor on the construction phase plan, and compile the health and safety file you must keep (and hand to any future buyer) at completion.
Principal Designer (Building Regulations)
Since the Building Safety Act reforms, projects also need a principal designer responsible for planning, managing and monitoring design work so it complies with Building Regulations. This is a distinct appointment with distinct competence requirements — frequently missed on domestic and small commercial projects, where the client can be left holding duties by default. We take the role formally, document compliance, and coordinate the design team’s contributions.
What Clients Must Do — and What We Take Off Your Desk
- Appoint a principal designer and principal contractor in writing where required — late or missing appointments push duties back onto you.
- Ensure F10 notification to HSE where the project meets thresholds — we prepare and submit it.
- Provide pre-construction information — we compile it, including asbestos and services information.
- Retain the health and safety file — we produce a usable, complete file at handover.
Pragmatic Compliance, Not Paperwork Theatre
Good CDM work is proportionate: a domestic loft conversion does not need the documentation of a hospital, but it does need asbestos checked, structural sequencing thought through, and neighbouring occupation considered. As surveyors we bring construction judgement to the role — the risks we flag are real ones, coordinated naturally with our project management, contract administration and structural design services. One team, one set of coordinated appointments, and a project that satisfies an HSE inspection or a future buyer’s solicitor without drama.
Frequently Asked Questions
Under CDM 2015, whenever a project involves (or is likely to involve) more than one contractor — which includes most renovations using separate trades. The Building Regulations dutyholder regime imposes a parallel principal designer requirement for design work on notifiable building work.
Yes. Domestic clients are largely exempt from carrying the duties personally, but the duties do not disappear — they transfer to the contractor or, by written agreement, to the principal designer. Appointing a professional PD is the cleanest way to ensure someone competent actually holds them.
A record of information a future owner or contractor needs to work safely on the building — residual risks, structural alterations, services routes, materials. It is a legal requirement at completion, and solicitors increasingly ask for it on sale. We compile it as standard.
Yes — one under CDM 2015 (health and safety) and one under the Building Regulations dutyholder regime (compliance of design). They can be held by the same organisation, which is usually the practical answer. We take both appointments together.
For domestic and small commercial projects, typically a modest fixed fee scaled to project size and risk — small compared with the professional fees on any project, and very small compared with the consequences of an HSE investigation or an unsellable property with no compliance trail.