Getting your temporary site services right from day one can make or break your construction project. Poor planning leads to delays, safety risks and unexpected costs. Good planning keeps your project on track from groundworks to handover.
This guide walks you through planning temporary electrical, water and mechanical services, plus welfare facilities, for your construction site. We’ll cover timing, capacity and compliance considerations that every project manager needs to think about before the actual build begins.

Why early planning matters
Temporary site services aren’t an afterthought. They’re the backbone of your entire project.
Without proper planning, you risk:
- Delayed start dates due to missing infrastructure
- Non-compliant welfare facilities that halt work
- Insufficient power supply for tools and equipment
- Poor site security leading to theft or vandalism
- Access issues that slow down deliveries and workforce movement
Planning these essential temporary site services early means fewer surprises later. It also means better coordination between your various site services, whether that’s electrical, mechanical, security or welfare.

What are temporary site services?
Temporary site services cover everything needed to make a construction site functional and compliant before permanent infrastructure is in place. This includes:
Temporary Electrical Services Power for tools, lighting, and equipment. This includes full distribution boards, PAT testing and even data and telecoms connectivity for site offices.
Temporary Mechanical Services Washrooms, toilets, drinking water stations and waste management. These keep your workforce comfortable and your site compliant with welfare regulations.
Welfare Facilities Site offices, canteens and rest areas. These need to be fit for purpose from the first day on site.
Security Services CCTV, access control, wireless alarms and security guarding to protect equipment, materials and personnel.
Hoarding and Fencing Temporary fencing and hoarding to secure access points and define site boundaries safely.

Key considerations when planning temporary site services
-
Timing
Start planning your temporary site services before groundworks begin. Lead times for generators, welfare units and security systems can vary, so early consultation helps you avoid delays.
-
Capacity
Think about how many people will be on site and at what stage. A small development might need one washroom block, while a larger project could require several, alongside multiple welfare stations.
Consider peak periods too. If your project scales up during the main build, your temporary power and water supply need to scale with it.
-
Compliance Checks
All temporary site services must meet current UK health and safety standards. This includes:
- NICEIC certified electrical installations
- Compliant washroom and welfare facilities under the Health and Safety Executive (HSE) welfare requirements
- DBS-checked security personnel
- Fire and evacuation systems that meet building regulations
Regular compliance checks throughout your project keep you covered and reduce risk of enforcement action.
-
Site Layouts and Access Points
Plan your site layout with access points in mind. Where will deliveries enter? How will pedestrians and vehicles move safely around the site? Poor layout planning can cause bottlenecks that slow down your entire project’s progress.
Temporary fencing and hoarding should support clear, safe access points, not obstruct them.
How Panthera® supports your temporary site services
At Panthera® Group, we provide temporary site services across London and the Home Counties, covering electrical, mechanical, security and welfare fit-out.
We work as a single point of contact, meaning you can order everything from generators to CCTV through one supplier. This reduces admin, improves coordination and can lower your overall project costs.
Our services include:
- Full temporary power distribution, including generators and lighting
- Mechanical services such as washrooms, drainage and drinking water stations
- Site security including CCTV, access control and wireless alarms
- Temporary fencing and our patent-pending EnviroHoard® system, a sustainable, eco-friendly solution for hoarding needs
All installations are carried out by qualified engineers, with ongoing maintenance included as standard.

At a glance: planning your temporary site services
- Start planning before groundworks begin
- Match capacity to your workforce size and project stage
- Confirm all services meet UK compliance standards
- Design site layouts with clear access points for vehicles and pedestrians
- Use a single supplier to simplify coordination and reduce costs
Frequently asked questions
What are the most important temporary site services for a construction project?
The most important temporary site services for a construction project include site security, sanitation facilities, temporary power supply, water access, and waste management. These services ensure worker safety, compliance with regulations, and overall project efficiency. Proper planning of these essentials contributes significantly to the smooth operation of the construction site.
How far in advance should I plan temporary site services?
Ideally, start planning as soon as your project timeline is confirmed. This gives suppliers time to design and install the right infrastructure before work begins.
Can temporary site services be scaled up during a project?
Yes. Panthera® offers scalable solutions, meaning your power, water and welfare facilities can grow alongside your project.
Do temporary welfare facilities need to meet specific regulations?
Yes. UK welfare facilities on construction sites must meet HSE requirements, covering toilets, washing facilities, and rest areas.

Get in touch for a free quote with Panthera®
Planning your construction site set-up doesn’t need to be complicated. With Panthera® as your single point of contact for temporary site services, you can keep your project running smoothly from start to finish.
Get in touch today to discuss your requirements or request a free quote:
- Fill out our online contact form
- Call us on 0345 165 1234
- Email enquiries@pantheragroup.com