TheInside Door
Prime residential real estate · Projects from €900,000

Exceptional property, in trusted hands.

In a city you don't know well, the hardest part isn't finding agents. It's knowing which one is truly right for your project. I spent ten years in prime and ultra-prime real estate between Paris and London, then lived in several European cities: today my network reaches well beyond them. I introduce you only to professionals I know personally, whose way of working I have seen and whose ethics I respect.

Amsterdam · Brussels · Crans-Montana · Ibiza · London · Paris
Leonor de la Serna, founder of The Inside Door
How it works

Three steps, one trusted point of contact.

01

You share your project

Buying or selling, the city, your expectations. A few lines are enough to begin.

02

I call you back within 24 hours

A personal conversation to understand your situation, your priorities and the kind of support that suits you.

03

I introduce you to the right person

With your consent, a direct and personal introduction to the person I believe is best for you. I explain why I am thinking of them, then we take stock together after your first conversation.

Leonor de la Serna in London
About me

Ten years at the heart of prime real estate.

For ten years, I guided the purchase and sale of exceptional properties between Paris and London. Many ultra-prime transactions, some of them above €50 million: it is a world I know from the inside. I have lived in several countries, and I know what a property project far from familiar ground involves: high stakes, markets with their own codes, and the need to rely on the people around you.

My work has evolved since, but one thing hasn't changed: people still regularly ask for my view on buying or selling, in Paris, London, Amsterdam and beyond, and who they should turn to. My current work also keeps me in regular contact with real estate agents across these markets. So I chose to give these recommendations a more structured, more serious framework: that is how The Inside Door was born.

Leonor de la SernaFounder of The Inside Door
10 yearsin prime real estate
€50M and abovefor my most significant deals, buying and selling
6 citiesand a carefully chosen network
My selection

I don't recommend agencies. I recommend people.

Some properties are not bought or sold like any other. They call for a culture, codes and a way of working that not everyone masters: discretion, access to off-market properties, an understanding of a demanding international clientele. But an agent who looks brilliant on paper is not necessarily the right one for you: I introduce you to the person who best fits your project.

I choose agents who understand every facet of a sale or a purchase. A family home, for example, is not just an asset: it is also an emotional heritage. They are also true negotiators, responsive, who know how to make things happen.

Those who know me know that, for me, ethics are non-negotiable. And it is often exactly what people look for when they entrust their home or their search: straightforward people, with great energy, who share the same values. People you trust, and with whom there is that little click.

I.

I know them personally

I have worked with most of them, and I have known the others for a long time. I know how they negotiate, how they communicate and how they treat their clients. And I regularly review each of them before continuing to recommend them.

II.

The client before the transaction

They have that rare awareness of truly serving your project: understanding your needs, your search or your property, and advising you with sound judgement.

III.

Discretion as a given

Off-market properties, personal situations, sensitive timelines: your project is handled with the confidentiality it deserves, at every stage.

“In real estate, security doesn't come from the contract alone. It comes from the people.”

The Inside Door filter

What I look at before recommending anyone.

My intuition matters, but it is never enough. Before introducing a professional, I rely on precise criteria, on what I have seen of the way they work, and on up-to-date checks. My network is only valuable if my standard stays more important than its size.

01

Ethics

Transparency, honesty, no unnecessary pressure.

02

Local expertise

Real knowledge of the neighbourhood and market in question.

03

Relevant experience

Transactions comparable to yours, not just volume.

04

Discretion

Respect for your information and the level of confidentiality you ask for.

05

Communication

Knowing how to listen, explain, respond, and speak frankly.

06

Negotiation

Judgement, preparation, and the ability to defend your interests.

07

Energy and mindset

Good energy, the right mindset, and a way of seeing things and working that suits you.

08

Reputation and compliance

Up-to-date references, and rules checked in each country.

And if I don't yet have the right person, I tell you.

I would rather tell you that I don't yet have anyone I can recommend with the conviction I require, than give you a name simply to cover a city. That is what protects the value of every introduction.

Advisory

Two ways to support you.

Whether you simply wish to be introduced to the right person or would like a trusted perspective throughout your project, I always work alongside a local agent from my network.

Option 1

The introduction

Free of charge for you

To be introduced to the agent best suited to your project, with complete confidence.

  • A first confidential conversation to understand your project
  • The choice of the agent in my network best suited to your project: one or two people at most
  • A personal introduction with your consent, then a check-in after your first conversation
  • If you are buying or selling abroad, a tailored conversation to understand how a transaction works in that country: the steps, timelines, usual costs and the professionals involved
Let's talk
On request

Beyond agents, your whole project.

Buying or selling an exceptional property calls on other expertise. My address book also includes trusted professionals I can introduce you to, with the same care and always with your consent.

Notaries

To secure the deed, the transfer and purchases by non-residents.

Lawyers

For contracts, international tax and inheritance.

Architects

To renovate, extend or reinvent a property before or after the purchase.

Financing

Brokers and banks, to find the right financing for your project.

Destinations

Where my network awaits you.

In each of these cities, I have an extensive address book at every level of the market: prime, luxury and ultra-prime, where the rarest properties change hands, often off-market. For buying as well as selling, I choose the right person for you based on the person you are, your personality, your needs and your expectations, as well as your budget, the neighbourhood and the type of property you are looking for or selling. Because I have the right agent for every type of project, my introductions have a high success rate.

Further destinations are added one trusted relationship at a time, never just to cover a city. Is your project elsewhere? Let's talk: if I know the right person, I will introduce you. If not, I will simply tell you.

Tell me about your project
Request a call

Let's talk about your project.

Leave your details and a few words about your project. I will call you personally within 24 business hours.

Leonor de la Serna at work

Your information stays strictly confidential and is shared only with the agent I introduce you to, with your consent.

Your project

Legal notice

Publisher: Leonor de la Serna, The Inside Door, Amsterdam, Netherlands.
Company number (KvK): 96605561
Contact: delaserna.leonor@gmail.com

Activity

The Inside Door introduces private clients to real estate professionals. Leonor de la Serna does not act as a real estate agent herself and does not negotiate on behalf of clients: searching, marketing and negotiation are carried out by the local agent. For introductions, she acts as a referral partner and is paid by the professionals in her network when an introduction leads to a transaction. For private advisory, she acts as an adviser, under fees agreed in advance with the client.

Hosting

Netlify, Inc., 512 2nd Street, San Francisco, CA 94107, United States.

Privacy policy

The information sent through the form (name, phone, email, project location and type, budget, property address where relevant, message) is collected by Leonor de la Serna solely to contact you about your project and, with your consent, to introduce you to a real estate agent in her network.

Legal basis and sharing

Processing is based on your consent. Your information is never sold. It is shared only with the agent you are introduced to, and only with your agreement. The form is delivered through the Formspree service.

Retention

Your data is kept for as long as needed to follow up on your project, and no longer than three years after our last exchange.

Your rights

Under the GDPR, you may at any time request access to, correction or deletion of your data, or withdraw your consent, by writing to delaserna.leonor@gmail.com.