estimental is a Warsaw-based interior architecture and turnkey fit-out studio led by licensed architects and members of the Polish Chamber of Architects (IARP). We combine interior design with complete turnkey execution under a single contract and with one dedicated team responsible for the entire process.

We operate throughout Warsaw and the Mazowieckie (Masovian) region, delivering both developer-finished apartments and comprehensive renovation projects.

Every project is priced individually. We do not offer predefined fit-out packages because every home deserves a tailored solution. Instead, each client receives a detailed, itemised quotation before signing a contract, allowing for complete transparency from the very beginning.

Our work is based on our own quality standards, which are significantly more demanding than the current European construction standards. Since these standards are incorporated directly into our contracts, our clients can easily verify the quality of every stage of the finishing process.

In 2026, the cost of a complete turnkey interior delivered by Estimental ranges from 

, depending on the specification, scope of work and selected materials. Our pricing includes far more than standard finishing works—it also covers bespoke built-in furniture, air conditioning systems and loose furniture. Following a consultation with one of our architects, every client receives a detailed cost estimate with exact figures and no approximations, completely free of charge and before signing any agreement.

Our services are designed for clients between the ages of 25 and 65 who value exceptional craftsmanship, expert guidance, convenience and the peace of mind that comes from entrusting their entire investment to one reputable company.

Our clients do not need to spend weekends visiting showrooms or searching for finishing materials themselves. We maintain an extensive in-house library of samples and catalogues from leading manufacturers of flooring, paints, wallpapers, cabinetry, worktops and sanitary fittings. If a specific product is unavailable in our showroom, we source samples specifically for the design meetings, saving our clients countless hours throughout the process.

We do not provide standalone interior design services without execution because we believe we cannot guarantee the quality of the final result without supervising its implementation.

Likewise, we do not undertake construction works based on designs prepared by other studios. We prefer to deliver projects designed by our own team in accordance with our quality standards, specifications and construction principles—standards for which we take full responsibility.

The quality of our work has been recognised through publications in leading Polish design magazines and platforms, including 

, as well as our inclusion in the prestigious 

 list, widely regarded as the most important ranking of architecture and interior design studios in Poland.

If you are looking for a premium turnkey interior fit-out in Warsaw, you have come to the right place.

We provide turnkey interior design and fit-out services across all Warsaw districts, including 

Białołęka, Bielany, Mokotów, Ochota, Praga-Południe, Praga-Północ, Rembertów, Śródmieście, Targówek, Ursus, Ursynów, Wawer, Wesoła, Wilanów, Włochy, Wola

We also deliver projects in many of Warsaw’s best-known neighbourhoods, including 

Miasteczko Wilanów, Bulwary Praskie, Kabaty, Natolin, Imielin, Ursynów Północny, Pyry, Wyczółki, Saska Kępa, Gocław, Grochów, Kamionek, Gocławek, Olszynka Grochowska, Stary Mokotów, Służew, Służewiec, Stegny, Czerniaków, Siekierki, Wyględów, Ksawerów, Odolany, Młynów, Koło, Ulrychów, Powązki, Mirów, Młociny, Wrzeciono, Wawrzyszew, Stare Bielany, Słodowiec, Marymont-Kaskada, Radiowo, Huta, Las Bielański, Tarchomin, Nowodwory, Żerań, Henryków, Choszczówka, Kobiałka, Grodzisk, Brzeziny, Białołęka Dworska, Dąbrówka Szlachecka, Boernerowo, Chrzanów, Fort Bema, Fort Radiowo

Our services are also available in the towns surrounding Warsaw, including 

Łomianki, Marki, Ząbki, Zielonka, Sulejówek, Józefów, Józefosław, Konstancin-Jeziorna, Piaseczno, Piastów, Ożarów Mazowiecki, Pruszków, Brwinów, Komorów, Nadarzyn, Raszyn, Michałowice, Stare Babice, Otwock, Karczew, Wiązowna, Halinów, Legionowo, Jabłonna, Izabelin, Laski

We offer a single, comprehensive service that seamlessly combines interior design with fit-out execution, tailored to each client’s individual needs and expectations.  Our service is designed for anyone who wants to complete their interior with a professional company that operates according to its own quality standards, transparent cost estimates, and a refined, well-established project delivery process.

Complex interior finish

estimental is a Warsaw-based interior design and fit-out studio led by licensed architects and members of the Polish Chamber of Architects (IARP). We combine interior design and turnkey execution into a single, fully integrated service delivered under one contract. Based in Warsaw, we operate throughout the Masovian Voivodeship, providing comprehensive interior design and renovation services for both newly built apartments purchased from developers and existing homes undergoing renovation.

See what our service looks like from start to finish for an apartment from a developer.

Case study:

The interior features numerous bespoke elements, subtle design accents, and deeply personal references. It is a space where every detail has its purpose, coming together to create a cohesive and highly personal expression of the homeowners’ lifestyle.

Design and turnkey finish of a 68 sqm apartment in Praga Południe, Warsaw

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Case study: