Mastros
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Home Systems

Home Systems

Essential Infrastructure, Expert Execution
artisan work on a wall-mounted boiler.

Professional home systems services for Paris properties, from electrical compliance (NF C 15-100) to plumbing, heating installation, and mandatory diagnostics. Certified technicians who understand the unique challenges of pre 1990 Parisian buildings.

circle check NF C 15-100 compliance certified
circle check Licensed and insured professionals
circle check Code compliance guaranteed
circle check Warranty protection included

The challenges of home systems renovation in Paris

Why electrical, plumbing, and heating systems in Paris require professional expertise, from outdated infrastructure to strict compliance requirements and emergency situations.

Electrical compliance

Pre-1990 apartments rarely meet NF C 15-100 standards. Non-compliance voids insurance, blocks heat pumps, and creates fire risk. Upgrades cost €4,500-€8,500.

Plumbing infrastructure age

Pre-1949 buildings risk lead pipes. 1950s-70s face corrosion. Paris water pressure needs specific fixtures. Emergency leaks cause great amount in neighbour damage.

Heating system coordination

Heat pumps need electrical upgrades (€2-4K) and proper sizing. Installing before insulation wastes 30-50% capacity. Sequence matters: insulate first.

Mandatory diagnostic requirements

Property sales require multiple diagnostics (€150-400 each). Missing reports delay sales 2-4 weeks and can void transactions entirely.

How Mastros coordinates 
your installation

From diagnostic to certification, we ensure complete coordination with built-in payment protection.
01

Describe your project

Share your current system, property layout, and requirements. We assess scope and compliance needs.
02

Receive matched proposals

Certified technicians specialising in your system type send you detailed quotes within 72 hours.
03

Select your team

Review certifications, experience, and proposed solutions before choosing your installer.
04

Track execution

Milestone-based escrow with 5% retention. Track installation schedule and work progress.
05

Complete & verify

System testing, compliance certification, and final inspection before releasing final payment.

What's included in every home systems project

VMC being fitted in a tiled bathroom.

Certified work

  • ✓Professional diagnostic and assessment
  • ✓Licensed & insured technicians
  • ✓Quality materials and equipment
  • ✓Code compliance verification
  • ✓Official certification documents
  • ✓Verified artisan insurance (Décennale + RC Pro)
  • ✓Escrow payment protection with 5% retention
Load-bearing wall opening, propped between kitchen and main room.

Scope of work

  • ✓Electrical upgrade - 1 days to 3 weeks
  • ✓Plumbing services - 1 to 5 days
  • ✓Heat pump installation - 3 to 5 days
  • ✓Diagnostic Services - 1 to 3 hours
Radiator work in a Haussmann apartment.

Technical expertise

  • ✓NF C 15-100 certified electricians
  • ✓Licensed plumbers (PER/Copper)
  • ✓RGE heating technicians
  • ✓Certified diagnostic inspectors
  • ✓Building code specialists
  • ✓Refrigerant certified (heat pumps)
Not Haussmann 32m²

Not Haussmann, Paris 20ème

Involved from the very beginning of the apartment search, the client presented us with this 32 m² apartment in Paris's 20th arrondissement. While attracted by the large windows and unobstructed view, he was nonetheless perplexed by the amount of work required and the existing layout: a disproportionately large kitchen, bathroom, and toilet, making the main room too small and difficult to furnish, single-glazed windows, and outdated finishes.

Our initial role was to guide our client through the purchase process by analyzing the energy performance certificate, the quality of the building's management, and the apartment's inherent qualities.

Since the apartment was structurally divided in two by a load-bearing wall, our concept was to consolidate all the wet rooms into the first zone, thus freeing up the second zone, which would benefit from the light and view, to create a 23 m² living space.

The two zones are separated by an original glass door and distinguished by their flooring: tiles for the waterproof zone and natural linoleum for the living area. This keeps the "technical" spaces grouped together and isolated from the more formal living and sleeping areas.

A simple layout, custom-made furniture, and meticulous attention to detail to achieve the right dimensions for each function allowed us to create a comfortable and spacious apartment. A small apartment that feels like a large one.

The exposed concrete walls, revealed by stripping away the layers of plaster, led us to choose raw and understated materials for an original and calming decor. The use of raw MDF for all the woodwork adds a touch of softness, contrasting with the concrete and aluminum countertops. The light gray tiles and natural linoleum bring light and highlight the colorful objects in the home.

Despite a tight budget, we replaced the windows with double-glazed wooden frames whose white paint is guaranteed for 20 years in order to best respect the original building and promote the use of bio-sourced materials.

Demolition, Electricity, Flooring, Paint
After renovation: 23 m² living space with sleeping corner and desk, raw concrete wall, 32 m² apartment, Paris 20th.After renovation: kitchen with stainless steel worktop, MDF cabinetry, white 10x10 tiles.

Our services

Essential infrastructure services for your property. All work includes qualified professionals, compliance verification, and milestone payment protection.

Electrical Upgrade NF C 15-100

600 € - 15 000 €

Plumbing services

150 € - 12 000 €

Heating system repair

150 € - 8 500 €

Property diagnostics

100 € - 800 €

Home safety systems

200 € - 5 000 €

What your investment includes

Home systems work is labor-intensive, requiring certified technicians for safety and compliance. 

 Here's how your budget is typically allocated for electrical and technical upgrades.

PRICE RANGE — Electrical Compliance Upgrade

600 € - 15 000 €
Complete NF C 15-100 upgrade for typical Paris apartment (50m²)
Where your budget goes
  • Certified electrician labor: 60 to 70%
  • Wiring, panel, components: 25 to 35%
  • Consuel certification: 2 to 5%
  • Pre-work diagnostics: 3 to 5%

Why Mastros

Transparent cost breakdown

See exactly where every euro goes
Full breakdown

Milestone payment protection

Pay only when work is approved
Protected

Full visibility on scope and pricing

Know what you're paying for
Real-time

You approve every change

No modifications without your consent
Full control

Verified certified technicians

Identity, insurance, qualifications checked
100% verified

Consuel certification handled

We coordinate the compliance process
Included

Get your free quotes

Describe your project and receive proposals from verified certified technicians within 72 hours. No commitment, 0% commission.