Four members of the Pietra studio in the Lisbon atelier, by the window and the shelves of samples.

Studio

We work on a small number of rooms at a time, with the same plasterers, masons, and cabinetmakers we started with. Nothing enters a room unless it earns the space it takes, and nothing is specified that we cannot repair.

15

Years of Practice

60+

Completed Projects

12

People in the Studio

2

Studios, Lisbon & Milan

A designer at Pietra drawing at a walnut table in the Lisbon atelier, rolls of paper beside him.

Drawings for a walnut sideboard, Rua das Flores

An architect at Pietra standing before a wall of drawings, white massing models on the table.

Massing models for Serra Archive, before the second review

Hands sorting oak boards by grain on a workbench in the atelier, morning light across the timber.

Oak boards sorted by grain for Quinta do Vale

A palette review seen from above: stone and timber samples, paint pots and printed plans on a table.

Palette review: travertine, oak, lime plaster, one brass sample

The first room Pietra rented in Lisbon: a spindle chair, a small table and a lamp on bare plaster.

The first room we rented, kept as we found it

Approach

Four stages, one team, and the same set of drawings from the first visit to the last.

01

Consultation

We begin with you, the site, and how you want to live in the space. You leave with a clear scope, a budget frame, and a realistic timeline.

02

Concept & Material

A spatial concept and a working palette, tested against light and daily use. Presented as plans, references, and physical samples you can hold.

03

Sourcing & Making

Bespoke joinery, furniture, art and objects, sourced and made to measure. We work with a close circle of makers and workshops, most of them long-term.

04

Styling & Delivery

On-site coordination through to the final styled reveal, and beyond. We return after move-in, because a home only settles once it is lived in.

The
people

  • A Pietra architect leaning over a rolled drawing on a walnut table in the Lisbon studio.

    Marta Ruiz

    Founder

  • A Pietra architect drawing at a laptop surrounded by colour and material swatches.

    Tomás Neves

    Founder

  • A member of the studio standing at the window with a notebook, ceramics on the table in front.

    Inês Cardoso

    Senior architect

  • A member of the studio seated by the window, thinking, with a brass lamp on the desk.

    Rita Salgado

    Project architect

  • Two of the studio working over a large city model in the daylight of the studio window.

    Rui Bastos

    Interior designer

  • A member of the studio at a table of white card massing models, drawings pinned behind.

    Nuno Belém

    Detailing and technical

  • A Pietra architect in the studio beside a trestle table of samples and pinned drawings.

    Camille Roux

    Architect, Milan

  • A Pietra architect at a walnut table with a plan and a row of material samples.

    Sofia Melo

    Studio manager

  • A member of the studio at a laptop with drawings and a timber sculpture beside him.

    Diogo Faria

    Architect

  • A Pietra architect leaning over a rolled drawing on a walnut table in the Lisbon studio.

    Marta Ruiz

    Founder

  • A Pietra architect drawing at a laptop surrounded by colour and material swatches.

    Tomás Neves

    Founder

  • A member of the studio standing at the window with a notebook, ceramics on the table in front.

    Inês Cardoso

    Senior architect

  • A member of the studio seated by the window, thinking, with a brass lamp on the desk.

    Rita Salgado

    Project architect

  • Two of the studio working over a large city model in the daylight of the studio window.

    Rui Bastos

    Interior designer

  • A member of the studio at a table of white card massing models, drawings pinned behind.

    Nuno Belém

    Detailing and technical

  • A Pietra architect in the studio beside a trestle table of samples and pinned drawings.

    Camille Roux

    Architect, Milan

  • A Pietra architect at a walnut table with a plan and a row of material samples.

    Sofia Melo

    Studio manager

  • A member of the studio at a laptop with drawings and a timber sculpture beside him.

    Diogo Faria

    Architect

Recognition

Selected awards, press features, and studio visits, most recent first.

Awards

(7)

(7)

Iberian Interior Award, Interior of the Year

(2026)

Marés Review, Ten rooms of the year

(2026)

Atrium Quarterly, Cover feature

(2025)

Habitar Magazine, Portfolio feature

(2025)

Plaster & Light, Studio visit

(2025)

Casa Nova Awards, Hospitality, shortlist

(2024)

Cascais Design Prize

(2023)

Services

Sixteen services, taken separately or held together under one contract.

Interior Architecture

Plans, elevations, and the details that hold them, coordinated with your architect or with ours.

Spatial Planning

How the rooms are used, before how they look. Circulation, storage, light, and the walls worth keeping.

Site Studies

A survey of what is already there: structure, services, daylight, and the constraints worth designing with rather than around.

Concept Design

The spatial idea in plan and section, tested against how the rooms will actually be used before any detail is drawn.

Light Planning

Daylight first, then the fittings. We map how the sun crosses the rooms and place the artificial light around what it leaves.

Joinery Design

Built-in cabinetry drawn to the millimetre and detailed for the workshop that will make it, not for a catalogue.

Material Schedules

Every surface, finish and fixing recorded in one document, so the site orders the right thing the first time.

Colour Direction

A narrow range of tones, chosen against the plaster and the timber, and tested on the wall rather than on paper.

Custom Furniture

Pieces made to measure by the workshops we work with, when nothing on the market suits the room or the use.

FF&E & Styling

Furniture, fittings, and equipment, specified and placed. Styled on the day, and again once you have moved in.

Art & Objects

Sourced from a short list of galleries and makers, or commissioned for the room it will live in.

Lighting

Fittings selected with the electrician: circuits, switching, and dimming resolved before first fix.

Kitchens

Planned around how you cook and store, then detailed as joinery, with appliances chosen to suit the work.

Bathrooms

Stone, brassware and drainage set out together, so the falls, joints and fixings are right before the tiling starts.

Procurement

Ordering, tracking and delivery held by the studio, with lead times agreed before the drawings leave the desk.

Turnkey Delivery

One contract, one contact, and a site we visit every week until the last handle is on.

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