Thin-Layer Underfloor Heating Costs 2026 – Prices & Calculation

Q: When do I have to apply for the KfW loan – before or after placing the order?

Mandatory before contract award and start of work. Those who apply after construction has begun will not receive funding. The application for the KfW-458 program is submitted online via the "Meine KfW" portal. Important: Underfloor heating is eligible for funding as a related measure if it is combined with a heating system replacement to a heat pump. Up to 70% of the costs as a grant (basic subsidy 30% + speed bonus 20% + income bonus up to 30%).

Q: Is funding available even without a heat pump?

Yes – via §35c EStG: 20% of the renovation costs can be deducted from income tax over 3 years, without a heat pump requirement. For an investment of €8,000 (100 m²), this corresponds to tax savings of approx. €1,600. Prerequisites: The building is at least 10 years old, and an energy consultant certifies the measure.

Q: Does underfloor heating increase property value?

Yes – studies show a value increase of 3–8%. For a house worth €350,000, this equates to €10,500–28,000. Underfloor heating is considered a permanent fixture and is viewed favorably during sale and rental – especially in combination with a heat pump, as the house is then classified as energy-efficient (energy efficiency class A/B).

Thin-Film System Costs 2026: Current Prices, Variants & Example Calculation

What does a thin-layer system really cost? This guide transparently breaks down all current prices (as of 2026): dimpled sheeting, screed, distributors, tradespeople – variant by variant. Includes a sample calculation for 50 m² and information on KfW/BAFA funding.

⏱ 6 min. read

Price Guide 2026

Current Market Prices

Current Product Prices 2026 (directly from the manufacturer)

Individual component prices

→Bubble wrap 12-pipe, 10 m²: €107.55 → €10.53/m²
→Bubble wrap for 14mm pipe, 10 m²: €107.55 → €10.53/m²
→Dimpled sheet 16mm pipe, 10 m²: €110.00 → €11.00/m²
→TempusFlat Velcro Thin-Layer, 10 m²: €162.20 → €16.22/m² (thinnest option: 17 mm)
→Kerakoll Planogel Rheo, 25 kg: €35.00 → approx. €12/m² at 5 mm coverage
→Edge insulation strips, 20-m roll: €50.65 → €2.53/m
→Thin-layer Complete Set (Special Price), 10 m²: from €100.00 → €10.00/m²

Price Notes & Discounts

→All prices as of 2026 – current prices at mctherm.de/collections/duennschicht
→Volume discount: 3% off from 30 sqm, 5% off from 50 sqm, 10% off from 100 sqm
→Free shipping on orders over €500 (parcel shipping)
→KfW/BAFA BEG: Thin-layer underfloor heating eligible for up to 70% funding as part of heating system replacement (HP)

4 system variants in price comparison

The thin-layer system is available in four configurations – from single dimpled sheet to the complete set. The price differences are moderate, but the differences in installation height and application area are considerable.

→Dimpled membrane only (no screed): from €10.53/m² – most affordable entry, choose screed separately or a dry construction option
→Foil + Planogel Rheo: approx. €22–25/m² total – Wet screed with optimal heat storage, compliant with DIN 18560
→Complete set (foil + tube included): from €10.00/m² – most affordable overall option, ready for immediate installation
→TempusFlat Velcro: €16.22/m² – highest price per m², but 17 mm total height possible even without wet screed

Calculating Costs Realistically: 5 Steps

Step 1 – Calculate system costs (film + tube): Area in m² × system price/m². Dimpled sheet 12–14mm: €10.53/m². TempusFlat Klett: €16.22/m². Complete set: from €10.00/m². Edge area (15% additional pipe consumption): add on. Example 50 m²: 50 × €10.53 = €526.50.

Step 2 – Screed Costs (Wet Construction Only): Planogel Rheo: approx. 8 kg/m² with 5 mm coverage. 1 bag (25 kg) covers ~3 m². Costs: approx. €11.67/m². Example 50 m²: ~17 bags × €35 = €595. Drywall construction: no screed → step omitted, saves €11–14/m².

Step 3 – Accessories & Manifolds: Edge insulation strips: room perimeter × €2.53/m. Manifold: single ~€60, 4-way ~€150, 6-way ~€220. Small parts (clamps, fittings): approx. €3–€5/m². Thermostat: €25–€40/pc. Example 50 m² (2 heating circuits): ~€75 insulation strips + €90 manifold + €150 small parts = €315.

Step 4 – Factor in craftsmen costs: Laying foil + pipe (DIY possible): €15–25/m². Applying screed: €12–20/m². Connecting manifold + hydraulic balancing: €200–500 flat rate. Total tradesperson cost: €30–60/m². DIY savings for 50 m²: approx. €1,500–2,500.

Step 5 – Total Costs & Amortization: Example 50 m² old building complete: Film+pipe €527, screed €595, insulation strips €75, manifold+small parts €315, tradesmen €2,000, flooring €2,000. Total: approx. €5,500. Heating cost savings ~€400–600/year. Amortization: 9–14 years (without subsidies), 4–7 years (with KfW/BAFA 50% funding).

Price Overview 2026 – NP16 + PE-RT 16×2

Position	Price
Bubble Wrap NP16 (10 sqm)	€110.00 → €11.00/m²
PE-RT 16×2 pipe (10 cm spacing)	€0.48/m × 10 m/m² = €4.80/m²
Edge insulation strips (Kerakoll)	€2.53/linear meter × room perimeter
Planogel Rheo (22 mm buildup NP16)	1.6 kg/mm × 22 mm = 35.2 kg/m² → €49.28/m²
── Film + Pipe (without screed)	€15.80/sqm
── Foil + Pipe + Screed	€65.08/sqm
─── Total costs by area	Foil + Pipe / incl. Screed
20 m² (approx. 4×5 m, 18 m perimeter)	€362 (€18.10/m²) / €1,348 (€67.40/m²)
50 m² (approx. 7×7 m, 28 m perimeter)	861 € (17.22 €/m²) / 3,325 € (66.50 €/m²)
100 m² (approx. 10×10 m, 40 m circumference)	€1,681 (€16.81/m²) / €6,609 (€66.09/m²)
Pipe quantity (10 cm spacing)	10 m/m² · max. 70 m/heating circuit → 1 circuit/7 m²
Screed consumption NP16	1.6 kg/mm × 22 mm = 35.2 kg/m² (1.41 bags of 25 kg each)
── System Comparison: Underfloor Heating Variants in Existing Buildings	Material €/m² / Total €/m² / Construction height
Wet Screed Underfloor Heating (New Builds only)	5–8 €/m² / 40–70 €/m² / 10–15 cm – Not recommended for old buildings
Dry system (e.g. ArdusAlu)	€12–20/m² / €70–120/m² / 4–8 cm – Suitable for old buildings
✓ Thin-layer system MC Therm	€10–16/sqm / €80–150/sqm / 17–22 mm – direct to existing surface

Common Questions on Thin-Film System Costs

Clip system: approx. €5–8/m² (panel + pipe), but 70–90 mm total height, cannot be retrofitted on existing flooring. Thin-layer system: €10–16/m², but only 17–22 mm, self-adhesive on existing screed/tiles/wood. The higher price results from the more complex foil production and the special screed – but demolition costs are avoided (€500–1,500 for old buildings).

Complete set starting at €100/10 m² is cheaper than individual purchase (film €107.55 without pipe). Always use a complete set for standard projects. For unusual geometries or specific pipe diameters: individual components. From 30 m²: bulk discount (3–10%) on individual orders often makes individual purchase comparable.

Yes – when replacing a heating system with a heat pump, underfloor heating, as part of the heating system, is eligible for funding through BEG (Federal Funding for Efficient Buildings). Up to 70% of the costs can be covered by a grant (30% basic funding + efficiency bonus + income bonus + climate bonus). Important: Submit the grant application to BAFA before commissioning the work. A specialist company must approve the system.

With heating costs of €2,000/year: €400–€600 savings/year (20–30%). Investment for a complete 50 m² area: approx. €4,000–€6,000. Payback period without subsidies: 7–15 years. With 50% KfW subsidy: 3–7 years. Additional increase in property value due to modern heating system: realistically €5,000–€15,000 upon sale.

1. Complete set instead of individual parts. 2. Order from 30 m² for a quantity discount. 3. Install film and pipes yourself (saves 15–25 €/m²). 4. BAFA funding application before commissioning. 5. If necessary, install screed yourself with a mixer pump (saves 12–20 €/m²). 6. Choose an inexpensive floor covering: Vinyl/LVT from 8–15 €/m² instead of parquet 40–80 €/m².

Mandatory before contract award and start of work. Those who apply after construction has begun will not receive funding. The application for the KfW-458 program is submitted online via the "Meine KfW" portal. Important: Underfloor heating is eligible for funding as a related measure if it is combined with a heating system replacement to a heat pump. Up to 70% of the costs as a grant (basic subsidy 30% + speed bonus 20% + income bonus up to 30%).

Yes – via §35c EStG: 20% of the renovation costs can be deducted from income tax over 3 years, without a heat pump requirement. For an investment of €8,000 (100 m²), this corresponds to tax savings of approx. €1,600. Prerequisites: The building is at least 10 years old, and an energy consultant certifies the measure.

Wet screed (€40–70/m² total) is cheaper but requires a 10–15 cm build-up and is only economical for new constructions. In old buildings, wet screed incurs additional demolition costs (shortening doors, thresholds, floor layers): typically €15–25/m² extra. The thin-layer system (€80–150/m²) completely eliminates these efforts – the existing floor remains, no demolition costs, no time loss due to renovation.

Yes – studies show a value increase of 3–8%. For a house worth €350,000, this equates to €10,500–28,000. Underfloor heating is considered a permanent fixture and is viewed favorably during sale and rental – especially in combination with a heat pump, as the house is then classified as energy-efficient (energy efficiency class A/B).

Current Products & Prices

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MC Therm supplies all components directly from the manufacturer – dimpled sheets, screed, distributors as complete sets or individual components. Volume discount from 30 m², free needs assessment upon request.

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