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Project · Gent · 03/2025 Gent

Façade renovation, roof renovation and window replacement in Ghent – maximum energy savings and a better EPC

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30days of work

163 m²of façade

125 m²of flat roof

Gent
Gent

The project Façade, flat roof and windows completely renewed

In Ghent we renovated the entire building envelope with one goal: less heat loss, more comfort and a better EPC score. We started with the flat roof and the windows, and finished with a clean rendered façade. The result: a home with a modern look, high-quality materials and a clear step forward in energy performance.

The project was carried out with one fixed point of contact, from intake to handover. Thanks to three specialised crews — roof, windows and façade — the scheduling ran efficiently and in a controlled way.

  • Façade insulation with render (premium finish)
  • Impact-resistant plinth
  • Windows and sills: aluminium, anthracite, energy-efficient
  • Flat roof: insulation and waterproofing

How we went about it 6 steps, one point of contact.

  1. 1 point of contact
    Phase 1

    1 point of contact

    From start to handover, one fixed contact person for all questions and decisions.

  2. 3 fixed crews
    Phase 2

    3 fixed crews

    Roof, windows and sills, façade and render — each crew specialised in its trade.

  3. 30 days
    Phase 3

    30 days

    From start to handover: efficient planning and execution.

  4. Phase 4

    1.5–3 months' waiting time

    Average waiting time until the start — transparent and known in advance.

  5. Phase 5

    Fast communication

    Clear updates focused on planning and quality.

  6. Phase 6

    High-quality materials

    Very satisfied client — no compromises on quality.

What we carried out

Façade insulation with render (premium finish)

  • 14 cm of façade insulation with λ = 0.032 for strong thermal performance
  • Render finish: Caparol Thermosan K15
  • White render for a timeless, clean façade
  • Black L-profile at the roof edge for a modern line

Impact-resistant plinth

  • Plinth insulation in XPS, 12 cm
  • Plinth finish: Decostone durable mineral quartz resin, anthracite

Practical and aesthetic: a robust base with a clear visual transition.

Windows and sills: aluminium, anthracite, energy-efficient

  • Anthracite aluminium windows for more energy savings
  • Aluminium sills: old sills removed and replaced
  • Extra XPS insulation under the sills against heat loss at critical connections
  • A better EPC score thanks to high-efficiency glazing

Flat roof: insulation and waterproofing

  • 14 cm of PIR roof insulation
  • Two layers of roofing with all the necessary connections
  • A technically correct flat roof build-up

A technically correct roof build-up focused on durability and reliability.

Rainwater drainage renewed

  • Gutters and downpipes replaced for a neat finish and good drainage

The result What the renovation delivered.

01

The biggest losses first

Roof, façade and windows: in Ghent we deliberately tackled the biggest heat losses together, in a logical order.

02

Grants

The client received all available grants for roof and façade insulation and window replacement (subject to the conditions).

03

Design in advance

Before the start we prepared a complete file and design; the client chose the look based on our proposals — as standard and free of charge.

04

30 days

From start to handover, with one point of contact.

Anyone renovating in Ghent gains the most by tackling the biggest heat losses: roof, façade and windows. By first renewing the roof and windows and then finishing the façade, the process stays logical, efficient and technically correct.

Grava GroupProject in Ghent

Photos of the project Ghent in pictures.

4 photos — click to enlarge.

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Frequently asked questions About this project.

How long did this renovation take?

30 days from start to handover, with three specialised crews.

What is the waiting time?

On average 1.5 to 3 months until the start — transparent and known in advance.

Do you make a design in advance?

Yes, as standard and free of charge: you choose the look of your home based on our proposals.

Projects Similar projects.

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Phone
+32 333 20 630
Email
leads@gravagroup.be
Address
Sneeuwbeslaan 14, 2610 Wilrijk

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