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Donzenac Fire and Rescue Center: Design, Materials and Site Strategy

A detailed look at NL.AA’s 2022 Donzenac fire station in France, including its compact footprint, oak-tree preservation, partial earth integration, timber canopy and east–west facade strategy.

By ThatPainter Team 18 October 2026
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The Donzenac Fire and Rescue Center is a 517 m² fire-station project in Donzenac, France, listed as a 2022 project by ArchDaily. NIEZ LARRAUFIE ARCHITECTES ASSOCIES – NL.AA designed it with Arthur Niez and Guillaume Larraufie as lead architects and ODETEC credited for engineering and consulting.

Its defining move is a compact, east–west-oriented volume set on a sloping, flood-prone plain near the Maumont watercourse. The architects’ account describes a station that preserves two existing oak trees, separates emergency access from the public approach, and combines concrete, Douglas wood, polycarbonate, timber slats, metal cladding and glass. Claimed energy and daylight benefits are design intentions reported by the architects; the project account does not publish measured performance results.

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What is the Donzenac Fire and Rescue Center?

Donzenac Fire and Rescue Center is a purpose-built fire station in Donzenac, France. ArchDaily lists the project at 517 m² and identifies 2022 as its project year. The project page was published on 20 April 2024 and presents the architects’ own description of the site, organization and material choices.

Project fact Published information
Project Donzenac Fire and Rescue Center
Location Donzenac, France
Project area 517 m²
Project year 2022
Lead architects Arthur Niez and Guillaume Larraufie
Architectural practice NIEZ LARRAUFIE ARCHITECTES ASSOCIES – NL.AA
Engineering and consulting ODETEC
Project page publication 20 April 2024

The available account is a project description rather than a post-occupancy report. It explains why the building was positioned and detailed as it was, but it does not provide energy bills, thermal simulations, measured daylight levels, construction costs or operational data.

Where is the station and how does its setting shape the design?

The station sits on the plain near the Maumont watercourse. In the architects’ description, the watercourse area floods frequently, while the medieval village and its bell tower remain visible higher in the valley. That relationship between low ground, rising terrain and the historic settlement gives the approach a strong visual sequence: the station is encountered in a landscape where the village and vegetation are intended to remain prominent.

Preserving the two oak trees

The architects say the first major decision was to place one volume so that two existing oak trees could remain. Their stated benefits are practical and spatial: the cleared ground supports truck maneuvering, and the trees provide shade. Keeping the oaks also prevents the building from occupying the entire open area, allowing the approach to retain a planted character instead of becoming a single expanse of paving.

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Using a secondary road for access

Vehicle access is routed from a secondary road rather than forcing emergency vehicles through the principal public-facing approach. This arrangement is described as improving the safety and clarity of movements around the station. The site plan therefore has two simultaneous readings: an operational surface where trucks can turn and deploy, and a quieter road-facing edge that frames the village, trees and low building profile.

How does the building respond to the sloping site?

The site has a gentle slope and an approximately two-metre level difference between the public road and the building platform. The design uses that difference to partially embed the east facade. In the architects’ words, the project “takes advantage of this height difference to bury itself halfway on the East facade.”

Partial embedding rather than a fully buried building

Only part of the east side is set into the terrain. The rest of the building remains legible as a freestanding, compact volume, while the embedded edge reduces the apparent height from the road and lets the roof and canopy sit close to the landform. This is a site-specific response: the slope is not treated merely as a foundation problem but as a way to moderate the station’s presence.

Ground inertia as an intended energy strategy

The architects describe the partially buried east side as using the thermal inertia of the ground to save energy. That wording should be read as design intent. The published project account gives no modeled or measured energy figures, operating temperatures, heating demand or post-occupancy results, so the benefit cannot be quantified from the available documentation.

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Why is the station organized as one compact volume?

Rather than spreading functions across several wings, the design gathers them into a single volume. The architects associate this compactness with three goals: limiting the footprint, reducing impermeable ground surface and controlling construction cost. A smaller perimeter can also make circulation easier to understand, although the project description does not publish a room-by-room plan or a quantified cost comparison.

The volume accommodates both the vehicle garage and the station’s office areas. They share a concrete slab, creating a continuous structural and operational base for heavy vehicles, equipment and daily staff use. The compact arrangement keeps the operational spaces close to one another while allowing each facade to perform a different environmental and representational role.

What materials and structural elements were used?

Concrete slab

The garage and offices sit on a shared concrete slab. In a fire station, that common base is a logical response to concentrated vehicle loads and the need for durable, level working surfaces. The source identifies the slab but does not state its thickness, concrete specification, reinforcement or finish.

Prefabricated concrete gables

Prefabricated concrete gables define the ends of the building. Their use gives the compact volume a solid, repetitive frame and allows the roof structure to span between clear end conditions. No panel manufacturer, surface treatment or prefabrication schedule is identified in the project account.

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Trussed Douglas wood frame and canopy

Inside and above the gables, a trussed Douglas wood frame forms a broad canopy. The canopy is one of the project’s most visible elements: it shades the glazed west facade and shelters outdoor living areas. The documentation names Douglas wood and the trussed frame but does not publish member sizes, connection details, fire-rating data or timber certification.

East timber slats and polycarbonate

On the east, vertical timber slats are placed in front of thick polycarbonate. This layered screen gives the road-facing side a filtered appearance rather than a fully transparent wall. The architects say it protects against morning sun and gives the station a distinct presence from the road, particularly when the building is occupied at night.

West metal cladding and glass

The west facade combines metal cladding and glass. It is described as more open, admitting daylight and views toward the offices and vehicle garage while limiting outward visibility from outside. The published description does not identify the metal alloy, coating, glazing type or acoustic specification.

How do the facades balance daylight, privacy and shade?

East: a screened public face

The east elevation addresses the road with a timber-slat screen over polycarbonate. Slats moderate direct morning sunlight and create depth between the public route and the interior. At night, the occupied station can read as a softly illuminated volume behind the screen rather than as an exposed glass box. These effects are the architects’ stated intentions, not independent lighting measurements.

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West: openness toward working spaces

The west side brings more daylight and views into the offices and garage. At the same time, the architects say the arrangement limits views from outside into the station. That combination gives staff visual contact with the exterior without making every activity fully exposed to passers-by.

The canopy as environmental mediator

The broad Douglas-wood canopy shades the glazed facade and protects outdoor areas used by station personnel. It extends the useful threshold between inside and outside, allowing doors and windows to open onto a sheltered zone. The source does not state the canopy’s depth, seasonal shading angle or measured reduction in solar gain.

What does the east–west orientation achieve?

The architects describe the east–west orientation as providing “significant and transverse natural light to all spaces.” In practical terms, the two long sides receive different kinds of exposure: the screened east side filters morning sun, while the more open west side supports daylight and views. Light can therefore pass across the building rather than relying exclusively on roof openings or a single facade.

The description does not include daylight-factor calculations, glare studies or seasonal lux readings. The orientation should consequently be understood as a deliberate daylight strategy documented by the design team, not as a verified performance result.

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How does the approach sequence the village, vegetation and station?

The low road-facing facade is intended to keep the medieval village, its bell tower and existing vegetation visible as people arrive. Because the station is partly tucked into the slope and kept to one compact volume, the approach is not dominated by a tall administrative block. The two oaks remain visual and functional anchors, while the secondary-road access separates vehicle movement from the representational face of the building.

This sequence matters for a civic emergency building. A fire station must be immediately operational, yet it also occupies a visible position in the community. The project account presents the low profile, retained trees and controlled facade openings as ways to meet both requirements without turning the site into an entirely paved forecourt.

What is known—and not known—about environmental performance?

The documented environmental moves are physical and architectural:

  • Partial embedding of the east facade into the slope, using the ground’s thermal inertia as an intended energy-saving measure.
  • A compact footprint that the architects associate with less impermeable surface and lower construction cost.
  • Retention of two mature oaks for shade and site continuity.
  • East-side screening to moderate morning sun.
  • A broad canopy over the glazed west facade and outdoor areas.
  • East–west orientation for cross-light through the spaces.

No published figures establish annual energy use, carbon emissions, water management, overheating risk, indoor air quality or post-occupancy comfort. The nearby flood-prone watercourse is part of the site description, but the available account does not specify flood levels, drainage engineering, foundation design or resilience standards.

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How can this project be compared with other fire stations?

The project account documents one building, so comparisons should use clearly defined criteria rather than imply a ranking. Useful questions include:

  • Site response: Does the station preserve existing landscape features and provide a safe, legible route for emergency vehicles?
  • Land impact: Is the program consolidated into a compact volume, and how much ground remains permeable?
  • Structure and envelope: How do concrete, timber, polycarbonate, metal and glass divide load-bearing, shading and visual roles?
  • Operational visibility: Can staff receive daylight and outward views while public-facing elevations maintain privacy?
  • Evidence of performance: Are energy or comfort claims supported by monitored data, or are they stated only as design intentions?

On these documented axes, Donzenac is distinctive for combining a single compact station with partial earth integration, retained oaks, differentiated east and west facades and a large timber canopy.

Who designed the Donzenac fire station?

NIEZ LARRAUFIE ARCHITECTES ASSOCIES – NL.AA is credited as the architectural practice. Arthur Niez and Guillaume Larraufie are listed as lead architects, and ODETEC is credited under engineering and consulting. The available project page does not assign the quoted design statements to a particular individual; they are presented as the architects’ collective description.

What should a reader take away?

Donzenac Fire and Rescue Center treats a modest fire-station program as a problem of site, movement and environmental mediation as much as accommodation. The 517 m² building preserves two oaks, keeps truck maneuvering clear, approaches from a secondary road and uses a two-metre level change to settle its east side into the slope. Concrete gables and a shared slab provide a durable base, while a Douglas wood truss and canopy establish the roof and outdoor threshold. Timber slats over polycarbonate on the east and metal cladding with glass on the west give each orientation a distinct balance of protection, light, views and privacy.

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Those choices are well documented as architectural intentions. What remains undocumented is equally important: no measured energy, daylight, cost or post-occupancy data is published in the project account. The building can therefore be understood precisely as a carefully sited and materially articulated fire station, without claiming performance results that have not been reported.

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