Installing Windows: How much does it cost?

A new window costs on average 2,135 Euro including installation.

Window installation costs range between 170 and 4,100 Euro.

Reasons for new windows include damaged glass, warped frames, or improving energy efficiency. Replacing old windows is an effective modernization measure alongside roof and façade insulation and updating the heating system.

Factors affecting cost

Window material
Window size
Type of glazing
Removal of old windows
Installation of new windows
Disposal of old windows

Cost of new windows

Depending on frame material and glazing, prices range from 90 to 3,765 Euro.

Type of window	U-value (W/m²K)	Cost
Single wooden window, ≤0.70m²	1.3	240–535 Euro
Single wooden window, >0.70m²	1.3	260–1,000 Euro
Passive house wooden window, ≤1.00m²	0.8	405–820 Euro
Multi-part passive wooden window, >2.50m²	0.8	1,115–2,730 Euro
Single wood-alu window, ≤0.70m²	1.3	390–550 Euro
Single wood-alu window, ≤1.70m²	1.3	370–1,255 Euro
Double wood-alu window	1.3	1,025–3,600 Euro
Single PVC window, ≤0.70m²	1.3	90–375 Euro
Single PVC window, ≤1.70m²	1.3	190–745 Euro
Multi-part PVC window, ≤1.70m²	1.3	280–770 Euro
Multi-part PVC window, >1.70m²	1.3	340–1,955 Euro
Single PVC passive window	0.8	345–810 Euro
Multi-part wooden window, >2.50m²	1.3	640–3,690 Euro
Single metal-glass window, ≤2m²	1.3	205–1,400 Euro
Double metal-glass window, ≤4.50m²	1.3	760–3,765 Euro

Note: The U-value is critical for energy efficiency subsidies and should not exceed 0.95 W/m²K.

Additional costs

Removal/disposal of old windows: 30–90 Euro
Insulating glazing: 25–115 Euro
Interior window sill: 25–120 Euro/m
Exterior window sill: 15–110 Euro/m
Roller shutters: 130–380 Euro
Travel costs (depending on region): 10–50 Euro

Tax deduction

Since 01.01.2020, renovation costs are partially tax-deductible: 20% of eligible costs, up to 40,000 Euro within three years.

Note: Public funding (KfW or BAFA) prevents claiming the tax bonus.

Funding

KfW provides grants or low-interest loans for energy-efficient windows:

Program	Type	Amount
KfW 151/152	Loan with repayment bonus 20%	400–1,500 Euro
KfW 430	Subsidy 20% of eligible costs (max 50,000 Euro)	600–1,500 Euro
KfW 455 E	–	600–1,000 Euro

Application via KfW portal.

How to save money

Remove and dispose of old windows yourself
Compare offers from multiple professionals
Buy windows online only from certified, trusted shops

Energy savings from new windows reduce heating costs.

Installation costs

Hourly rate for professionals: 50–85 Euro.

Window type	Installation time	Labor cost
Single wooden ≤0.70m²	1.8 h	90–150 Euro
Single wooden >0.70m²	1.8 h	90–150 Euro
Passive wooden ≤1.00m²	1.8 h	90–150 Euro
Multi-part passive wooden >2.50m²	3.2 h	160–270 Euro
Single wood-alu ≤0.70m²	1.8 h	90–150 Euro
Single wood-alu ≤1.70m²	2.6 h	130–220 Euro
Double wood-alu	3.5 h	175–300 Euro
Single PVC ≤0.70m²	1.6 h	80–135 Euro
Single PVC ≤1.70m²	1.6 h	80–135 Euro
Multi-part PVC ≤1.70m²	2.0 h	100–170 Euro
Multi-part PVC >1.70m²	3.5 h	175–295 Euro
Single PVC passive	1.6 h	80–135 Euro
Multi-part wooden >2.50m²	3.0 h	150–255 Euro
Single metal-glass ≤2m²	2.0 h	100–170 Euro
Double metal-glass ≤4.50m²	4.0 h	200–335 Euro