Modern curved staircase with warm ambient lighting

Preserving architectural heritage while integrating modern comfort and performance.

Reviving historic buildings in Luxembourg

Modern curved staircase with warm ambient lighting

Preserving architectural heritage while integrating modern comfort and performance.

Reviving historic buildings in Luxembourg

XTEND is a Luxembourg-based company specialized in the renovation of historic buildings, architectural heritage restoration, and traditional new construction.

We design and deliver bespoke projects that respect the original character of each building while meeting today’s highest standards in comfort, energy performance, and construction quality.

XTEND is a Luxembourg-based company specialized in the renovation of historic buildings, architectural heritage restoration, and traditional new construction.

We design and deliver bespoke projects that respect the original character of each building while meeting today’s highest standards in comfort, energy performance, and construction quality.

Unique & timeless living space

100%

Unique & timeless living space

100%

Craft partners involved

50+

Craft partners involved

50+

Historical buildings restored

25

Historical buildings restored

25

Projects completed

30

Projects completed

30

Years of experience

10+

Years of experience

10+

Residential projects

Transformation / Renovation & Extension

/

Consdorf Residential Project

Transformation / Renovation & Extension

/

Consdorf Residential Project

Transformation / Renovation & Extension

/

Ernster House

Transformation / Renovation & Extension

/

Ernster House

Buschrodt

New Construction

/

Traditional House in Buschrodt

Buschrodt

New Construction

/

Traditional House in Buschrodt

Transformation / Renovation & Extension

/

Consdorf Residential Project

Transformation / Renovation & Extension

/

Ernster House

Buschrodt

New Construction

/

Traditional House in Buschrodt

Waldbillig

New Construction

/

Traditional New Build in Waldbillig

Our Services

What Service We Offer

Innovative Design and Expert Consultation Services

We carefully restore existing buildings by preserving original structures and materials while adapting them to contemporary standards of comfort, performance and durability.

We design and develop new buildings rooted in traditional architectural language, combining established proportions with modern spatial organisation and construction techniques.

We create thoughtful extensions and transformations that respect existing structures while introducing new spatial possibilities and functions.

We provide clear architectural guidance and project support from early feasibility to coordinated execution.

Restoration & Transformation

{01}

New Construction

{02}

Sale & Resale

{03}

Real Estate Consulting

{04}

We carefully restore existing buildings by preserving original structures and materials while adapting them to contemporary standards of comfort, performance and durability.

We design and develop new buildings rooted in traditional architectural language, combining established proportions with modern spatial organisation and construction techniques.

We create thoughtful extensions and transformations that respect existing structures while introducing new spatial possibilities and functions.

We provide clear architectural guidance and project support from early feasibility to coordinated execution.

Restoration & Transformation

{01}

New Construction

{02}

Transformation

{03}

Real Estate Consulting

{04}

{01}

Restoration & Transformation

We carefully restore existing buildings by preserving original structures and materials while adapting them to contemporary standards of comfort, performance and durability.

{02}

New Construction

We design and develop new buildings rooted in traditional architectural language, combining established proportions with modern spatial organisation and construction techniques.

{03}

Sale & Resale

We create thoughtful extensions and transformations that respect existing structures while introducing new spatial possibilities and functions.

{04}

Real Estate Consulting

We provide clear architectural guidance and project support from early feasibility to coordinated execution.

Our Values

Preserving cultural heritage

At XTEND, we are committed to preserving cultural heritage and maintaining the architectural identity of historic buildings through careful and respectful intervention.

black door knob on white wooden door

Local commitment

We closely follow and support the work of local initiatives such as the Mouvement Patrimonial and other communities dedicated to protecting Luxembourg’s built heritage.

Sustainable innovation

We collaborate with organisations focused on eco-responsible construction and urban development, combining traditional aesthetics with modern comfort and sustainable technologies.

Dialogue and collaboration

Whether through partnership or exchange of ideas, we value open dialogue and invite those who share our approach to connect and collaborate with us.

Preserving cultural heritage

At XTEND, we are committed to preserving cultural heritage and maintaining the architectural identity of historic buildings through careful and respectful intervention.

black door knob on white wooden door

Local commitment

We closely follow and support the work of local initiatives such as the Mouvement Patrimonial and other communities dedicated to protecting Luxembourg’s built heritage.

Sustainable innovation

We collaborate with organisations focused on eco-responsible construction and urban development, combining traditional aesthetics with modern comfort and sustainable technologies.

Dialogue and collaboration

Whether through partnership or exchange of ideas, we value open dialogue and invite those who share our approach to connect and collaborate with us.

Preserving cultural heritage

At XTEND, we are committed to preserving cultural heritage and maintaining the architectural identity of historic buildings through careful and respectful intervention.

black door knob on white wooden door

Local commitment

We closely follow and support the work of local initiatives such as the Mouvement Patrimonial and other communities dedicated to protecting Luxembourg’s built heritage.

Sustainable innovation

We collaborate with organisations focused on eco-responsible construction and urban development, combining traditional aesthetics with modern comfort and sustainable technologies.

Dialogue and collaboration

Whether through partnership or exchange of ideas, we value open dialogue and invite those who share our approach to connect and collaborate with us.

Partners

brown and black wooden surface

Request an initial,
no-obligation consultation.

Our experts will advise you on feasibility, budgeting and the best approaches to preserving the character of your building.

Despite a generally challenging environment and high construction costs in Luxembourg, our expertise lies in finding solutions together with you that align your budget with your need

Logo

Careers

At XTEND, we are constantly looking for people passionate about historic buildings and traditional construction techniques.

If you are an architect, engineer or specialised craftsman and wish to contribute to projects involving historic renovation, heritage restoration or traditional construction, we would be delighted to hear from you.

Follow Us

Follow XTEND on social media to discover our renovation, restoration and traditional construction projects in action.

©2026 Xtend. All rights reserved.

Created by

Logo

Careers

At XTEND, we are constantly looking for people passionate about historic buildings and traditional construction techniques.

If you are an architect, engineer or specialised craftsman and wish to contribute to projects involving historic renovation, heritage restoration or traditional construction, we would be delighted to hear from you.

Follow Us

Follow XTEND on social media to discover our renovation, restoration and traditional construction projects in action.

©2026 Xtend. All rights reserved.

Created by

Logo

Careers

At XTEND, we are constantly looking for people passionate about historic buildings and traditional construction techniques.

If you are an architect, engineer or specialised craftsman and wish to contribute to projects involving historic renovation, heritage restoration or traditional construction, we would be delighted to hear from you.

Follow Us

Follow XTEND on social media to discover our renovation, restoration and traditional construction projects in action.

©2026 Xtend. All rights reserved.

Created by