Sustainable at Heart, Partnership in Practice
Projects
Featured Case Studies
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![Urban scene with modern glass building and an old stone building, people walking and biking in a plaza with benches, trees, and a cloudy sky.]()
11 & 12 Wellington Place, Leeds
Sector: Commercial / Retail / Public Realm
Outcome: BREEAM ‘Outstanding’ / Fitwel 2*
Services: Acoustics, BREEAM AP, Carbon Management, ESG, Fitwel, LCC, WLCA
This major commercial development achieved some of the highest sustainability ratings available, supported by deep multi‑disciplinary input throughout design and delivery.
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![Modern university building with white panels and glass windows, featuring the Texas Tech University BioScience logo on the upper corner, set against a clear blue sky.]()
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![High-rise buildings and a park with walking paths, trees, and a small stream, in an urban cityscape.]()
The Republic, Mayfield - Manchester
Sector: Commercial
Services: CarbonCentric, WLCA
CarbonCentric enabled real‑time, supply‑chain-driven carbon management across this commercial development - lowering embodied emissions and improving transparency.
At Mainer Associates, our projects reflect our commitment to pioneering sustainable development, embedding whole-life thinking, measurable carbon reduction and evidence‑driven design into the UK’s built environment.
From large mixed‑use commercial districts to universities, laboratories, healthcare facilities, community buildings and residential schemes, our work spans every sector and scale - consistently delivering high‑performance environmental outcomes.
We partner with clients to align sustainability ambitions with project realities, supporting them through BREEAM, Whole Life Carbon Assessment (WLCA), Life Cycle Analysis (LCA), EPDs , Fitwel, ESG integration, Carbon Management and Planning - helping them make informed decisions at key milestones.
Full Project Portfolio
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![Urban scene with modern glass building and an old stone building, people walking and biking in a plaza with benches, trees, and a cloudy sky.]()
11 & 12 Wellington Place, Leeds
Commercial / Retail / Public Realm
BREEAM ‘Outstanding’ / Fitwel 2*
Acoustics, BREEAM AP, Carbon Management, ESG, Fitwel, LCC, WLCA
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![newly built commercial space at milton park]()
95 Milton Park, Oxfordshire
Commercial
BREEAM ‘Excellent’
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![image of commercial space at milton park in oxfordshire]()
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![architectural image of amrc building in lancashire]()
AMRC, Lancashire
Commercial
BREEAM ‘Very Good’
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![benson house at night]()
Benson House, Leeds
Commercial
BREEAM RFO ‘Very Good’
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![Modern university building with white panels and glass windows, featuring the Texas Tech University BioScience logo on the upper corner, set against a clear blue sky.]()
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![architectural image of the camhs unit in leeds]()
CAMHS, Leeds
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![Modern office building lobby with glass walls, orange seating, potted plants, and a staircase leading upstairs.]()
City Concepts, Crawley
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![City street corner with modern office buildings, including a brick and glass building in the center, and large windows with warm interior lighting.]()
The Dacre, London
Commercial
BREEAM RFO ‘Excellent’
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![Modern cityscape with contemporary glass and stone buildings, people walking, and parking lot under a blue sky.]()
Digital Life, Teesside University
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![New DPD warehouse with trucks parked outside, glass windows, and a few people near the entrance under a blue sky.]()
DPD, Crawley
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![A modern building with a green living wall covering its facade, situated near a busy road with multiple lanes of traffic, in an urban area with other high-rise buildings in the background.]()
Eden at New Bailey, Salford
Commercial
BREEAM ‘Outstanding’
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![picture of multiple light industrial units]()
Fairham Business Park
Light Industrial
BREEAM AP, Planning Services, LCC
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![A collection of various screws of different shapes and sizes arranged in a row.]()
Fixing Point, Gloucester
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![day centre in preston]()
The Foxton Centre, Preston
Non-Residential: Day Centre, Hall, Civic or Community Centre
BREEAM ‘Good’
BREEAM AP
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![A modern office building surrounded by a landscaped outdoor area with trees, grass, and walking paths. There are cars parked along the street and people walking and cycling.]()
Grove Business Park, Oxfordshire
Light Industrial / Commercial
BREEAM ‘Excellent’
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![architectural image of a college in harrogate]()
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![Stone building with Gothic-style architecture, arched windows, and a ramp leading to the entrance, under a clear blue sky.]()
Holyhead Market Hall, Wales
Community Centre
BREEAM RFO ‘Very Good’
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![tall red building in manchester]()
Island, Manchester
Commercial
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![Rendering of a modern residential apartment complex with multiple mid-rise brick buildings, green landscaping, and a plaza with walking paths and trees.]()
Kirkstall Road, Leeds
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![A modern multi-story building with brick and glass facade, busy street with cars and pedestrians, cityscape background, trees, and clear sky.]()
The Langfield, London
Commercial
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![Modern building with large glass windows, a stone wall, and a curved copper or bronze overhang, with a cloudy sky reflected in the windows.]()
Lee Valley Ice Centre, London
Assembly and Leisure
BREEAM ‘Very Good’
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![wide angle of lisbon street aparthotel]()
Lisbon Street, Aparthotel - Manchester
Residential / Commercial
BREEAM, Planning Services, LCA, LCC
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![Exterior of a modern building with a black asphalt surface and a rounded red-painted area, featuring large glass windows and doors, with brick walls and a gray roof.]()
Luddenden SEND Facility, Calderdale
Education
BREEAM RFO ‘Good’
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![Modern building with a green, geometric, star-shaped facade on top of a stone base, adjacent to traditional brick buildings, with trees and a partly cloudy sky in the background.]()
Manchester Museum, Manchester
Assembly and Leisure
BREEAM ‘Very Good’
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![Modern multi-story office building with large glass windows, surrounded by trees, with people walking on the sidewalk in an urban area.]()
NOMA - 4 Angel Square, Manchester
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![Modern glass office building with pedestrians walking and trees lining the sidewalk.]()
No 1 West Bar Square, Sheffield
Commercial
BREEAM ‘Excellent’
BREEAM AP
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![People walking in front of the Huddersfield Museum and Art Gallery building with posters of artwork on the facade.]()
Our Cultural Heart, Huddersfield
Commercial
BREEAM & Sustainability Advice, CarbonCentric, WLCA
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![High-rise buildings and a park with walking paths, trees, and a small stream, in an urban cityscape.]()
The Republic, Mayfield - Manchester
Commercial
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![Aerial view of a racetrack with surrounding buildings, roads, parking lots, and green fields.]()
Silverstone Park, Towcester
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![Modern building with glass facade, brick and metal exterior, surrounded by landscaped garden with trees and a paved walkway.]()
South Cambridge Science Centre, Dales Manor
Commercial
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![Exterior of Spire Nottingham Hospital with a brick facade, large glass windows, and a few trees in the landscaped courtyard.]()
Spire Nottingham Hospital, Nottingham
Healthcare
BREEAM ‘Very Good’
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![Modern industrial warehouse building with metal siding, large windows, and multiple loading docks on a clear day.]()
Unit 1, Panattoni Park, Borehamwood
Light Industrial
BREEAM ‘Very Good’
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![Aerial view of a large commercial warehouse with a parking lot and trucks, outlined by a red border.]()
Unit 1 & 2 Anglia Way, Northampton
Light Industrial
BREEAM ‘Very Good’
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![Aerial view of an industrial warehouse with solar panels on the roof, loading docks, and trucks parked outside, with a residential neighborhood and green trees in the background.]()
Warrington Cold Store Extension, Warrington
Light Industrial
BREEAM
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![A tall, modern office building with a grid-like pattern on its facade, situated on a city street with trees and streetlights, under a clear blue sky.]()
West India Dock Road, London
Retail
BREEAM ‘Excellent’
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![A modern curved glass office building with multiple floors, surrounded by trees, with cars and pedestrians on the street in front, under a partly cloudy blue sky.]()
West Bar 1a & 1b, Sheffield
Retail / Commercial
BREEAM ‘Excellent’
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![City street scene with pedestrians walking on sidewalk, a dog, and cars on the road. Modern high-rise buildings in the background, with trees and a blue sky.]()
West Bar Build to Rent, Sheffield
Residential
Home Quality Mark One Target ‘4 Stars’
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![Cityscape with modern high-rise buildings, a footbridge over a river, and trees with autumn foliage under a partly cloudy sky.]()
Whitehall Riverside, Leeds
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![Modern multi-story building with large glass windows and red architectural arches on the facade, situated on a city street with pedestrians, cyclists, and cars, during sunset.]()
2-4 Whitworth Street, Manchester
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![A modern soccer stadium with green field and seating area with red and blue seats, surrounded by parking lots and greenery.]()
York Community Stadium, Yorkshire
Assembly and Leisure
BREEAM ‘Very Good’
Explore our wider portfolio representing diverse sectors and clients across the UK. Our expanded list includes:
AMRC Lancashire, Benson House, BW Industries, CAMHS Leeds, City Concepts, Dacre House, Dales Manor, Eden at New Bailey, Fixing Point, Harrogate College, Holyhead Market Hall, Island, Lee Valley Ice Centre, Milton Park, New College Parade, Nottingham Trent Art & Design Building, Our Cultural Heart, Royal Mint Street, Silverstone Park, South Cambridge Science Centre, Spire Nottingham Hospital, Wellington Place, West Bar, York Community Stadium, and many more.
This portfolio illustrates the breadth of our work - from culture and community buildings to industrial facilities, science and research campuses, major commercial districts and residential masterplans.
What Our Projects Demonstrate
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Verification and Certification Excellence
Across sectors, our projects regularly achieve BREEAM Outstanding, Excellent, Very Good, Fitwel 2* and other sector-leading accreditations.
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Real-Time Carbon Management
Through CarbonCentric, we enable live supply‑chain carbon insights - achieving measurable reductions on major sites.
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Cross-Sector Impact
Our work spans commercial, education, government, light industrial, residential, science, technology, leisure and community projects.
How We Work
We take a partnership approach - supporting clients through key project milestones with clarity, commercial sensitivity and technical depth. This includes:
Early-stage pre‑assessments
Whole‑life modelling for design optimisation
Planning support and environmental assessments
Embodied carbon reduction pathways
Real-time construction-phase carbon management
Certification and verification
Partners
