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Project · Oud-Heverlee Oud-Heverlee
Oud-Heverlee – Complete renovation: new tiled roof, façade work & exterior joinery
- 100%New roof
- 100%New façade
- A+Insulation value
100%New roof
100%New façade
A+Insulation value
6Weeks of work

Roof renovation · Flat roofs · Façade work · Windows & doors · Oud-Heverlee New roof, façade insulation and modern windows
An impressive transformation of this detached house in Oud-Heverlee, with a sleek dark roof, façade insulation with a light finish and modern glazing.
In Oud-Heverlee we took care of the entire outer shell of this spacious home. The dated roof was replaced by a modern, sleek tiled roof with an integrated roof window and a renewed flat roof on the extension. The façade was thoroughly insulated and finished with attractive light brick slips. We completed the renovation with dark, energy-efficient windows. The result is a robust, contemporary home with maximum thermal performance.
- Roof renovation
- Flat roofs
- Façade work
- Windows & doors
How we went about it 3 steps, one point of contact.
Phase 1Roofing & insulation
A new roof structure with sleek dark roof tiles, a VELUX roof window and a watertight finish of the flat roof on the extension.
Phase 2Exterior joinery
Dark, highly insulating window profiles and large sliding windows that let maximum daylight into the ground floor.
Phase 3Façade insulation & finish
The entire house clad in high-quality insulation boards, seamlessly finished with light, modern facing bricks for a crisp contrast with the roof.
What we carried out
A sleek roof renovation
- Modern, flat dark roof tiles
- Integration of a roof window for extra natural light
- Waterproofing of the flat roof on the modern extension
- Optimal roof insulation for maximum energy savings
Façade insulation with a light finish
- The house fully wrapped in external wall insulation
- Finished in light facing brick (brick slips) for a contemporary look
- Elimination of all thermal bridges in the construction
- A major upgrade of the home's EPC label
Modern exterior joinery
- Contrasting dark window profiles
- Large glazed sections for a seamless transition to the outdoors
- High-efficiency glazing for ultimate thermal and acoustic comfort
95%Thermal insulation (roof & façade)
90%Airtightness of the exterior joinery
By combining a modern, sleek tiled roof, large dark glazed sections and a perfectly insulated light façade, this home in Oud-Heverlee has undergone a true makeover into an energy-efficient luxury home.
Grava Group
The result What the renovation delivered.
Contemporary aesthetics
The contrast between the light façade and the dark roof elements and windows creates a modern, cubist look.
Top insulation
A fully insulated outer shell from roof to façade guarantees residents a lasting low energy bill.
Maintenance-free
Choosing high-quality materials such as durable roof tiles and a robust façade finish ensures years of carefree comfort.
Maximum daylight
Thanks to the large sliding windows on the ground floor and the roof window, the whole house is bathed in natural daylight.

Your contractor for well-thought-out complete renovations. We coordinate your entire project from A to Z, so all components of the outer shell fit together perfectly.
Grava GroupProject in Oud-Heverlee
Photos of the project Oud-Heverlee in pictures.
8 photos — click to enlarge.








Frequently asked questions About this project.
What are the advantages of flat roof tiles?
Flat roof tiles give your roof a very sleek, modern, almost slate-like look. They are also very storm-resistant and easy to maintain.
Can you also renew flat roofs during a complete renovation?
Absolutely. As in this project in Oud-Heverlee, we often combine renewing the pitched main roof with waterproofing and insulating extensions or flat roofs in EPDM or roofing felt.
How long does such a complete project take?
Depending on the size of the home and the weather, a complete project including façade insulation, roof and windows takes 5 to 8 weeks on average.
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