01Architecture
Kade House
A house on a plot narrower than a parking space. Three stacked windows, one oak door, and a stair that doubles as the light well.
- Place
- Rotterdam
- Year
- 2025
- Size
- 4.2 m wide
Architecture & Interiors
Rotterdam, NL — Since 2014
Space,—edited.
Halden is an architecture and interiors studio in Rotterdam. We design houses, workplaces and hotels with fewer, better things in them.
Schuur 19, Flevoland — 2024
(01) — Studio
We are fourteen architects and designers in a former tram depot in Rotterdam. We think a good building is mostlygood light
,honest materials andenough room for the table
. Everything else is decoration, and we are quite strict about decoration.
- Projects completed
- 64
- Architects & designers
- 14
- Listed monuments restored
- 11
- Max. distance to our suppliers
- 200 km
(02) — Selected work
Four recentprojects /2023–25
02Interiors
Atelier Noord
A shipyard hall turned into a workplace for forty people. No hot desks, one long table per team, and a kitchen behind a clay-coloured curtain.
- Place
- Amsterdam
- Year
- 2023
- Size
- 1,100 m²
03Interiors
Bakkerij Oost
A neighbourhood bakery with a terrazzo counter poured from the bricks of the building we took down next door.
- Place
- Utrecht
- Year
- 2024
- Size
- 64 m²
04Architecture
Duinkamer
One room in the dunes for watching the weather. Larch outside, linen inside, and a window the width of the bed.
- Place
- Zeeland
- Year
- 2022
- Size
- 28 m²
(03) — Approach
We startwith a plan.
- 01
Look
We visit the site twice: once on a sunny day and once when it rains.
- 02
Measure
Every wall, every window, every beam. A good plan starts with the right numbers.
- 03
Draw
Three plans on paper, one card model. You pick, we refine.
- 04
Build
We stay on site until the last door is hung, and come back a year later.
(04) — Services
Four disciplines,one table.
01+
Architecture
Houses, extensions and small public buildings, from the first site visit to the day you get the keys.
- New-build houses
- Extensions
- Small public buildings
- Permits & planning
02+
Interiors
Homes, workplaces, hotels and cafés. Rooms that work on a rainy Tuesday, not only in photographs.
- Residential
- Workplace
- Hospitality
- Lighting plans
03+
Restoration
Canal houses, farms and listed monuments. We work with what is already there before adding anything.
- Rijksmonumenten
- Building surveys
- Adaptive reuse
- Energy upgrades
04+
Objects
Built-in joinery, tables, stools and the odd lamp, made with workshops less than an hour’s drive away.
- Built-in joinery
- Tables & seating
- Kitchens
- One-off pieces
(05) — Index
A 4.2-metre-wide infill house in Delfshaven. The stair is the light well; every floor gets sun by noon.
Ask about this project →A 1950s polder barn kept almost as found, with one long glazed slot and a timber box of rooms inside.
Ask about this project →A neighbourhood bakery with a terrazzo counter poured from the bricks of the building next door.
Ask about this project →A former shipyard hall turned into a studio for forty people, with one long table per team.
Ask about this project →
A listed 1660s canal house restored floor by floor. New parts are easy to tell from the old.
Ask about this project →One larch-clad room half sunk into the dunes, with a window the width of the bed.
Ask about this project →
A brick family house on the water with deep window reveals that shade the rooms in summer.
Ask about this project →
Good lightHonest materialsRoom for the tableFewer, better thingsBuilt to be repaired
(06) — The shed
Three partners,eleven others, one dog.
- Mara HaldenFounding partner, architect
- Joost VerbeekPartner, interiors
- Ayla DemirPartner, restoration
We’re hiring a project architect with restoration experience.Say hallo