Pool + Spa Consultancy + Design Engineering Design

Engineering Design

Design Solutions for Immersive Pool + Spa Experiences

Engineered for World-Class Pools + Spas

At Barr + Wray, engineering design is the backbone of every successful pool and spa project. With over 60 years of experience and a global portfolio of over 2,000 pools and 400 spas, we deliver robust, efficient, and compliant systems that stand the test of time.

Our engineering design services cover the full project lifecycle – from early-stage feasibility studies to detailed technical documentation. Whether you’re an architect, consultant or contractor, we work closely with you to ensure every system is tailored to your project’s operational, spatial, and regulatory requirements. We can offer the following services:

  • Feasibility – Early-stage technical input and planning
  • Hydraulic Design – Flow rates, pipework sizing, and pump selection
  • Filtration + Water Treatment – System design hygiene, and sustainability
  • Thermal + Environmental Control – Heating, ventilation, and humidity management
  • Technical Documentation – Drawings, specifications, and compliance reports

We design aquatic systems that deliver safety, efficiency, and long-term performance.

Our designs are aligned with international standards including RIBA, EN, and ISO. Whether it’s a competition-standard pool or a hydrotherapy suite, we engineer systems that are safe, efficient, and future-ready. 

This includes energy-efficient plant room layouts and co-ordination for Thermal Suites and Wet Spa Areas, allowing development of the facilities by the Interior Designers and Spa Consultants. We also provide BIM coordination and digital modelling to support seamless project delivery from concept to completion.

 

 

 

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Sustainability is embedded in our engineering approach.

We design systems that reduce energy consumption, minimise water waste, and optimise chemical usage – helping clients meet environmental targets and reduce operational costs. 

To achieve this, we integrate a range of sustainable technologies and design strategies. These include heat recovery systems and energy-efficient pumps, low-consumption filtration solutions, and smart controls that optimise water and energy usage.

Our designs can also incorporate renewable energy sources and are supported by lifecycle planning to ensure long-term operational efficiency and environmental impact reduction.

Global Aquatic Engineering Expertise

We’ve delivered engineering design for aquatic environments across the UK, UAE, US, Canada, and beyond. Our team has supported projects such as: 

  • Fairmont Chateau Lake Louise – Basin Glacial Waters all-sensory thermal bathing
  • The Londoner, Leicester Square – Five-star pools and thermal experiences
  • The Royal Atlantis, Dubai – Complex spa hydraulics and thermal systems
  • JW Marriott, Venice – Vitality pool engineering with stainless steel features
  • The Newt, Somerset – Integrated hydrotherapy and environmental control
  • Four Seasons, Baku – High-spec spa systems with bespoke engineering
  • London 2012 – Olympic-standard filtration and water treatment
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Trusted by Architects, Developers + Luxury Brands

With over 60 years of aquatic engineering experience, Barr + Wray brings deep expertise to every project. Our in-house design and technical teams ensure precision and quality from concept to completion, while our global project delivery is backed by a strong understanding of local compliance requirements.

Whether you’re designing a new aquatic spa facility or upgrading an existing one, our engineering team is ready to help you deliver a system that performs flawlessly. 

Consultancy + Design Solutions

Expert guidance from concept to detail, shaping pool + spa spaces to work beautifully and efficiently.

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Interior Design

We deliver fully integrated spa interiors with creativity, precision, and deep sector knowledge. With 400+ global projects, our team guides clients from concept to construction, ensuring every space is tailored to its purpose and users.

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Pool + Spa Consultancy

We collaborate with leading architects and designers to develop comprehensive spa consultancy packages. These include conceptual layouts, spa journey planning, and full interior design documentation — covering reception areas, treatment rooms, thermal zones, and more. Our consultancy ensures your spa is operationally sound, visually compelling, and ready for tender.

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