Among the services offered by KALAM, it is worth noting our comprehensive rehabilitation of buildings. We are referring to interventions in which our professionals cover simultaneously diverse trades and a wide scope to return a former use or allow a new one in the best conditions of safety, livability and functionality. Usually, these works include structural reinforcements or consolidations; improvement or updates to the building envelope; solving pathologies or improving the energy efficiency of roofs, facades and the building’s connection to the ground; restoration of singular elements recovering its ornamentation and original features in historical facades or relevant spaces such as lobbies, staircases or communal areas; updating and adapting to current code regulations, including new interior distributions and finishes or adaptations in terms of accessibility among other works.

Within this framework, one of the key factors is being able to count with our own staff of professionals and masters of the trades necessary for an integral intervention. This means that we can assure the deadlines and the quality of the work from an integral management and a holistic vision of the whole process, only possible with a structure and experience such as those offered by KALAM. We offer our clients an ad-hoc service that adjust to their needs, being used to work on buildings fully occupied, programming work to reduce nuisance or collaborating with the project design teams in  charge of the restoration or conservation of the historic building to outline possible technical solutions, analysis or assesments.


Having our own staff of professionals and masters craftsmen in the necessary trades for a comprehensive intervention allows us to commit to deadlines and ensure quality of the work through management and a holistic view of the entire process.


Our team is always proud to be able to take part in the conservation of these buildings part of our built heritage, which are inhabited with updated or new uses, adapted to current standards and to which they add their character and beauty. Especially when this sensitive approach comes directly from the direction and developer of the proposal, as is the case with ELAIA INVESTMENT SPAIN SOCIMI S.A. and its management team. A vision shared by all those involved in the development of the work that allows the building not to lose its identity, but instead to recover and integrate it, providing the proposal with great personality while respecting its historical protection.


Views of the façade on Calle Atocha during the renovation work and after completion. 


Views of the façade on Magdalena Street during the recovery process and in the final stage of the work.


Different details of the façade: before and after views of the work on the façade on Calle Magdalena and recovery of the cornice and ornaments on Calle Atocha.


In this post, we summarize some aspects of the comprehensive rehabilitation of the building located at Calle Atocha 40 which also faces on the rear to Calle Magdalena 27, according to the project drafted by GAZTELU ARQUITECTOS in collaboration with JULIO PRADO. In the course of the works we have intervened in the different spaces and elements of the building that will now house high end apartments, with improved accessibility.

This is a late 19th century building located in the Historic District of the Villa de Madrid in the area of the Cerca and the Arrabal of Philip II. Among the aspects of obligatory restoration, the following should be noted: both façades, the main lobby and access hallway, the main staircae, where all original elements that add great uniqueness to the communal areas have been preserved.


The vision shared by all those involved in the development of the work has allowed the building not to lose its identity, but to recover and integrate it, endowing the proposal with great personality while respecting its historical protection.


Its interior spaces have been reconfigured, resulting in great quality housing with all the necessary equipment and comfort integrated into the final design. Pre-existing decorative elements in some rooms have also been integrated into the final design, adding greater singularity to the result. It is also worth highlighting the great transparency and luminosity of spaces, such as the penthouses, where private terraces constitute sunny open-air rooms overlooking the landscape of historic Madrid.


Before and after views of the landmarked main staircase.


Progress photographs of the restoration work performed on the existing timber frame structure.

Completed lobby and access from Calle Atocha 40. 


As for the technical components of the intervention, the building presented structural and maintenance  pathologies, as well as deterioration of the sewage system, the facade and the courtyards’ cladding. Amongst others, the restoration and reinforcement works of the carpentry elements and the wooden structure should be pointed out. In the recovery of the slabs of this material, the deteriorated main beams have been replaced, repairing the decking and changing those pieces such asjoists or ledgers in poor condition. Given the condition of many of the pre-existing wooden structures, it has also been decided to recover these traditional slabs by applying a reinforcement of a 7 cm compression layer and the installation of OSB type water-repellent board.

Within the specific consolidation works in this building, wood lintels have been reinforced with plywood boards. The structure of ledgers and main beams has also been restored byreplacing those pieces in poor condition and splicing, tightening and strapping the new to the pre-existing elements with the aid of metal brackets. All elements that have been conserved, the pieces have been sanded and cleaned, and have been coated with a wood prime with a antifungal properties, while filling cracks and identified missing volumes.


Thanks to this intervention, it has been possible to recover this landmark building while using materials and finishes of excellent quality for its rehabilitation into high end dwellings, all within a proposal and execution that is characterised by its technical rigor and respect for the pre-existing heritage.


Another significant feature has been the restoration of the exterior walls and their characteristic finishes, especially the painted plaster, recovery and restoration of decorative elements and cornices, the current closings and balconies, the replacement of repair of window frames and shutters and the renewal of retail storefronts; respecting as far as possible the existing bays and framing as a sign of their visual identity. The structural consolidation of the building towards Calle Magdalena has also been carried out. A space of extraordinary beauty, with a common area with solarium and swimming pool from which one can enjoy a beautiful view of the historic city centre.


Different views of an attic in which the great luminosity of the rooms can be appreciated.


The singularity of the communal areas of this property recovered in all its splendour.


Different rooms of an intermediate floor showing the high-quality finishes and appliances.


Thanks to this intervention it has been possible to recover the landmark building while using materials and finishes of excellent quality for its rehabilitationinto high end dwellings, all within a proposal and execution that is characterized by its technical rigor and respect for the pre-existing heritage. The building located in Atocha 40, has recovered the traditional architecture characteristic of the historic centre of Madrid in its optimum state, while at the same time it has been restored through improved accessibility and the spatial quality of its dwellings that are now equipped with all the modern facilities necessary for absolute comfort. All this surrounded by Madrid’s the characteristic sunlight which fills every apartment balcony.


Recovery of the catalogued heritage and the character of a historic building in the heart of Madrid with optimum conditions and all comfort standards of the present.

KALAM, within the framework of the ICEX Next Program, has received support from ICEX and co-financing from the European Regional Development Fund. The purpose of this support is to contribute to the international development of the company.

European Regional Development Fund

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