Window frame replacement in Gent
Prices are valid for 2026 and are indicative
Here you can see what window frame replacement in Gent costs on average. We explain what the price consists of and which local factors have the biggest impact.
The cost of replacing window frames ranges from €240 to €1,400 per m², a wide range driven by material choice, frame complexity, floor level, and glazing type. uPVC frames are the most affordable and low-maintenance option. Timber frames are more expensive to purchase but have a higher aesthetic quality, can be repainted, and suit heritage properties. Aluminium frames are slimmer, more durable, and slightly more expensive. When requesting quotes, also ask about ventilation grilles, which may be required under building regulations when new frames are installed. Also bear in mind that safety glazing at ground floor level is mandatory in many situations under current building codes.
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Local price
€259 - €1.512
8% higher than average
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This is an estimate based on average 2026 prices. Actual costs may vary. Always request multiple quotes for an exact price.
Cost factors
The total cost usually consists of:
- Frames and glazing: 50-65% of the total
- Labor for removal and installation: 20-30% of the total
- Interior finishing (plastering, painting): 8-15% of the total
- Ventilation grilles, hardware, and accessories: 5-10% of the total
These percentages can vary depending on the material, glazing type, and installation complexity (floor level, custom sizing).
Why do prices vary?
- Frame material: uPVC, timber, or aluminium: uPVC frames (€250-€600/m²) are low-maintenance and affordable, available in multiple colors and wood-grain finishes. Timber frames (€400-€900/m²) have an authentic appearance, can be repainted, and suit listed buildings, but require more maintenance. Aluminium frames (€500-€1,000/m²) are slimmer, more durable, and available in all RAL colors; timber-aluminium combinations can reach €1,500/m².
- Glazing: HR++ versus triple: New frames are typically supplied with HR++ glazing as standard (U-value ±1.1 W/m²K). Triple glazing (U-value ±0.6 W/m²K) significantly improves insulation but requires heavier frame profiles. The price difference between HR++ and triple glazing is typically €50-€100 per m² of glass.
- Floor level and accessibility: Ground-floor frames are easier to replace than those on the first or second floor, where scaffolding or a cherry picker is needed. This increases labor costs by €500-€2,000 per day depending on the equipment required.
- Ventilation grilles and safety requirements: Frame replacement must comply with current building regulations: ventilation grilles are often mandatory (€30-€80 per grille) and safety glazing (P2A glass) is required in positions less than 85 cm above floor level or where there is a fall risk. These costs must be included in the quote.
Subsidies & incentives
Windows and high-performance glazing in Belgium are closely linked to EPC improvement, ventilation requirements, and regional grants. So do not look only at the glass price, but at the full window build-up.
Flanders
- Mijn VerbouwPremie supports high-performance glazing and, in many cases, exterior joinery as well, subject to Ug values and household category.
- Where frames are weak, it usually makes sense to combine glass replacement with new frames or ventilation measures.
Wallonia
- Primes Habitation provides a base grant from €26 per m² for windows and glazing, multiplied according to income.
Brussels
- Brussels continues to work with guidance via Homegrade and the RENOLUTION track for joinery and energy upgrades.
Practical
- For homes older than 10 years, supply and installation by a contractor can often qualify for 6% VAT.
- In older homes, check whether new windows trigger additional ventilation requirements or make them advisable.
Local considerations in Gent
Above average (+8%)Solid price pressure due to low-traffic zones, many older urban homes, and constant renovation demand.
Housing characteristics in Gent
Ghent has many compact terraced houses, townhouses, and student properties, both in the center and in the 19th-century belt. That creates a strong market for bathrooms, roofs, windows, and ventilation, but also more transport time, less storage space, and heavier project preparation.
- many terraced houses and townhouses in compact streets
- car-light city center makes logistics more complex
- student housing and subdivided properties require extra planning
- mix of older housing and upgraded neighborhoods
- good accessibility but clear urban pressure
- steady demand for energy and renovation work
- frame material, glazing choice, and floor level together determine the price per m²
- ventilation grilles and safety glazing are legally required in certain situations
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