Saint-Germain-en-Laye · 78100

Clos Saint-Louis Acte 2 - Ilots 4 et 5

Property development

Your home from€715,000VAT 20% · including all taxesHome price ref. 4A233 · Apartment · 3 main rooms (T3, French classification) · 70.02 m²Excluding notary fees. Developer data synchronised on 31 October 2026; price and availability to be confirmed with your adviser.

Schemes and conditions

Depending on the home and the rate chosen. Conditions are detailed on each home.

PTZ to be considered · 9 homes
For your main residence, subject to income and first-time buyer conditions to be verified and the bank's agreement. Your personal eligibility remains to be confirmed.
Notary fees on new-build properties · 9 homes
New home as a main residence. Notary fees and the applicable price are to be confirmed for your purchase.

View properties and prices Request the plans

A JL HOME adviser compares the homes with you and checks every detail before any decision.

Programme visual · non-contractual illustration

The 3 photos

A development to discover, a home to choose. Find the floor areas, prices and plans available, then speak with your JL HOME adviser.

Explore the residence

Homes available: 9
Floor areas: 67.97 to 119.21 m²
expected delivery: Q4 2026
Developer: Marignan

Understand this programme

Clos Saint-Louis Acte 2 - Ilots 4 et 5 is a new-build development in Saint-Germain-en-Laye (78100), offered by Marignan. The selection includes 9 available new homes from 67.97 to 119.21 m²: 3 main rooms (T3, French classification), 4 main rooms (T4, French classification), 5 main rooms (T5, French classification).

Prices start at €715,000 (VAT 20% · including all taxes), excluding notary fees. The price and availability of the chosen property remain to be confirmed. Expected delivery : Q4 2026.

In the list below, a 'lot' refers to one home. Compare its floor area, floor and price, then request the plan to see its layout.

The developer's presentation

Buy your new-build apartment or rooftop house in Saint-Germain-en-Laye! Come and visit our show apartment and picture yourself in your future home! It is in the very affluent town of Saint-Germain-en-Laye that…

Read the full description

Buy your new-build apartment or rooftop house in Saint-Germain-en-Laye! Come and visit our show apartment and picture yourself in your future home!

It is in the very affluent town of Saint-Germain-en-Laye that Marignan, in partnership with OGIC, unveils its new development, within the unique setting of the new "Clos Saint-Louis" district, created as an extension of the town centre, around the refurbished former hospital.

Discover the high-end apartments of the development "Acte II - Résidences Armagis", designed to offer generous, light-filled spaces. Be among the privileged few to choose your future property, from studio to 5-room, 850 m from RER A.

It will be pleasant to live and stroll safely in this large, fully pedestrianised and green district, and to enjoy the liveliness of its shops, restaurants and numerous boutiques.

Contact one of our advisers today to discover all our new-build apartments in Saint-Germain-en-Laye!

Choose your home

9 homes available

Filter by type, sort by price or floor area, compare up to 3 homes and open the plan of the home you are interested in.

Entry price: VAT 20% · including all taxes. Excluding notary fees.

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6 homes shown out of 9

Reference 4A233

Apartment · 3 main rooms (T3, French classification)

Surface area: 70,02 m²
Floor: Floor 2
Aspect: North
Expected delivery: Q2 2026 · to be confirmed

VAT 20% · including all taxes: €715,00010,211 €/m²

Understanding the home purchase aid (PTZ)

Zero-interest loan: estimate up to €54,000

for a household of 3 people, depending on your income

Indicative amount, to be checked against your project and your eligibility.

Estimate my PTZ for this home

PTZ to be considered
For your main residence, subject to income and first-time buyer conditions to be verified and the bank's agreement. Your personal eligibility remains to be confirmed.
Notary fees on new-build properties
New home as a main residence. Notary fees and the applicable price are to be confirmed for your purchase.

I'm interested in this home

View the plan Calculate my monthly payment

Reference 4A333

Apartment · 3 main rooms (T3, French classification)

Surface area: 70,03 m²
Floor: Floor 3
Aspect: North
Expected delivery: Q2 2026 · to be confirmed

VAT 20% · including all taxes: €720,00010,281 €/m²

Understanding the home purchase aid (PTZ)

Zero-interest loan: estimate up to €54,000

for a household of 3 people, depending on your income

Indicative amount, to be checked against your project and your eligibility.

Estimate my PTZ for this home

PTZ to be considered
For your main residence, subject to income and first-time buyer conditions to be verified and the bank's agreement. Your personal eligibility remains to be confirmed.
Notary fees on new-build properties
New home as a main residence. Notary fees and the applicable price are to be confirmed for your purchase.

I'm interested in this home

View the plan Calculate my monthly payment

Reference 4A145

Apartment · 4 main rooms (T4, French classification)

Surface area: 70,65 m²
Floor: Floor 1
Aspect: East
Expected delivery: Q2 2026 · to be confirmed

VAT 20% · including all taxes: €720,00010,191 €/m²

Understanding the home purchase aid (PTZ)

Zero-interest loan: estimate up to €63,000

for a household of 4 people, depending on your income

Indicative amount, to be checked against your project and your eligibility.

Estimate my PTZ for this home

PTZ to be considered
For your main residence, subject to income and first-time buyer conditions to be verified and the bank's agreement. Your personal eligibility remains to be confirmed.
Notary fees on new-build properties
New home as a main residence. Notary fees and the applicable price are to be confirmed for your purchase.

I'm interested in this home

View the plan Calculate my monthly payment

Reference 4A245

Apartment · 4 main rooms (T4, French classification)

Surface area: 70,64 m²
Floor: Floor 2
Aspect: East
Expected delivery: Q2 2026 · to be confirmed

VAT 20% · including all taxes: €740,00010,476 €/m²

Understanding the home purchase aid (PTZ)

Zero-interest loan: estimate up to €63,000

for a household of 4 people, depending on your income

Indicative amount, to be checked against your project and your eligibility.

Estimate my PTZ for this home

PTZ to be considered
For your main residence, subject to income and first-time buyer conditions to be verified and the bank's agreement. Your personal eligibility remains to be confirmed.
Notary fees on new-build properties
New home as a main residence. Notary fees and the applicable price are to be confirmed for your purchase.

I'm interested in this home

View the plan Calculate my monthly payment

Reference 4B436

Apartment · 3 main rooms (T3, French classification)

Surface area: 67,97 m²
Floor: Floor 4
Aspect: South-West
Expected delivery: Q2 2026 · to be confirmed

VAT 20% · including all taxes: €760,00011,181 €/m²

Understanding the home purchase aid (PTZ)

Zero-interest loan: estimate up to €54,000

for a household of 3 people, depending on your income

Indicative amount, to be checked against your project and your eligibility.

Estimate my PTZ for this home

PTZ to be considered
For your main residence, subject to income and first-time buyer conditions to be verified and the bank's agreement. Your personal eligibility remains to be confirmed.
Notary fees on new-build properties
New home as a main residence. Notary fees and the applicable price are to be confirmed for your purchase.

I'm interested in this home

View the plan Calculate my monthly payment

Reference 4A232

Apartment · 3 main rooms (T3, French classification)

Surface area: 70,19 m²
Floor: Floor 2
Aspect: South-West
Expected delivery: Q2 2026 · to be confirmed

VAT 20% · including all taxes: €766,00010,913 €/m²

Understanding the home purchase aid (PTZ)

Zero-interest loan: estimate up to €54,000

for a household of 3 people, depending on your income

Indicative amount, to be checked against your project and your eligibility.

Estimate my PTZ for this home

PTZ to be considered
For your main residence, subject to income and first-time buyer conditions to be verified and the bank's agreement. Your personal eligibility remains to be confirmed.
Notary fees on new-build properties
New home as a main residence. Notary fees and the applicable price are to be confirmed for your purchase.

I'm interested in this home

View the plan Calculate my monthly payment

The residence in pictures

Open a photo to enlarge it.

Images not contractually binding.

Where is the programme located?

4 Rue de la Baronne Gérard · Saint-Germain-en-Laye · 78100

Address provided by the developer. The location of your home and the access routes are to be confirmed with the adviser.

View the address on Google Maps ↗

To check for everyday life

Your journey to work, transport, shops and schools, according to your needs.

Ask a question about the location

Your JL HOME adviser

Floor plans, prices and clear answers

Are you interested in development Clos Saint-Louis Acte 2 - Ilots 4 et 5? An adviser will call you back to check the homes available and help you understand the documents.

You submit your request.Enter your number and your callback preference.
We are checking the information.Availability, prices, orientation of the homes and support (PTZ, financing). Available plans and documents are to be confirmed.
You decide what happens next.Ask your questions and choose whether you wish to proceed. No booking is made here.

A discussion about this programme and your search
Prices and availability to be confirmed with your adviser

Request the plans and a callback

An adviser will answer your questions. Email and budget are optional.

Clos Saint-Louis Acte 2 - Ilots 4 et 5

Saint-Germain-en-Laye · 78100

From €715,000

VAT 20% · including all taxes

Expected delivery : Q4 2026

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Prepare your budget

The property price is a first step. Notary fees and financing must also be taken into account.

Estimate a monthly payment and understand possible support schemes

Your financing

Estimate your monthly payment

An instant estimate, no sign-up required. Refine with your income to include your interest-free loan.

The lotYour deposit (€)

Estimated monthly payment

3 889 € /month

Capital financed 732 875 € · of which insurance 220 €/month

Notary fees included: ≈ 17 875 € (new, approximately 2.5% of the price).

Assumptions: indicative market rate, June 2026 3,5 % · insurance 0,36 % included · term 25 years (up to 27 years for a VEFA).

Non-contractual estimate, which does not constitute a credit offer.

Speak to an adviser

Become a homeowner

Help for your first purchase

Becoming a homeowner with a new-build property is often more accessible than many people think. Depending on your project, several schemes may apply. An adviser will review the options with you.

Zero-rate loan (PTZ)
Depending on your circumstances and zone, the PTZ may help fund part of your main home in new build, interest-free.
Reduced VAT
In certain eligible areas, buying new may benefit from a reduced VAT rate, subject to income conditions and for a main residence.
Bail réel solidaire (BRS)
To become an owner at a controlled price, the BRS separates the land from the building, in the developments concerned.

These schemes depend on your situation and on the programme. No eligibility is guaranteed here: only a conversation can verify it.

Check my support options with an adviser

Frequently asked questions

Everything you need to know about Clos Saint-Louis Acte 2 - Ilots 4 et 5

What is the price of the new-build home in the Clos Saint-Louis Acte 2 - Ilots 4 et 5 development?

Prices shown for Clos Saint-Louis Acte 2 - Ilots 4 et 5 start at €715,000 (VAT 20% · including all taxes), excluding notary fees. The price depends on the home and the purchase scheme; the conditions are stated in the list of homes.

Which homes are available in the Clos Saint-Louis Acte 2 - Ilots 4 et 5 development?

The selection includes 9 available new homes from 67.97 to 119.21 m²: 3 main rooms (T3, French classification), 4 main rooms (T4, French classification), 5 main rooms (T5, French classification). Breakdown: 3 main rooms (T3, French classification): 4 homes; 4 main rooms (T4, French classification): 2 homes; 5 main rooms (T5, French classification): 3 homes.

Where is the Clos Saint-Louis Acte 2 - Ilots 4 et 5 development located?

Clos Saint-Louis Acte 2 - Ilots 4 et 5 is located in Saint-Germain-en-Laye (78100). The address provided by the developer is 4 Rue de la Baronne Gérard. The location of your home and access arrangements must be confirmed with the adviser before a visit.

When is the Clos Saint-Louis Acte 2 - Ilots 4 et 5 development due for delivery?

Expected delivery : Q4 2026. A forecast date does not confirm that the home has been delivered. The adviser checks progress and the date applicable to the chosen home.

Is Clos Saint-Louis Acte 2 - Ilots 4 et 5 eligible for the zero-interest loan (PTZ)?

Clos Saint-Louis Acte 2 - Ilots 4 et 5 is in zone Abis. Some homes may allow you to apply for a PTZ for a main residence, subject to income and personal circumstances. Eligibility of the home and your household must be checked with the adviser and the bank.

Can you buy to let in the Clos Saint-Louis Acte 2 - Ilots 4 et 5 development?

For Clos Saint-Louis Acte 2 - Ilots 4 et 5, the possibility of buying to let depends on the home’s purchase scheme. A price reserved for a main residence does not apply to a buy-to-let purchase. Your adviser will check the rental conditions, expected rent, charges and tax treatment with you.

How do I get the plans and check whether a home is available?

Choose a home from the list, then request its floor plan. In the form, enter your contact details and, if you wish, the time you would prefer to be called back. A JL HOME adviser checks availability, price and the documents available. This request does not reserve the home.

To compare