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Why Do Spanish Houses Have Bars on the Windows? And No, You Haven’t Accidentally Ended Up in Prison

9 July 2026 CasaOthers Team 7 min read
Why Do Spanish Houses Have Bars on the Windows? And No, You Haven’t Accidentally Ended Up in Prison

Why Do Spanish Houses Have Bars on the Windows? And No, You Haven’t Accidentally Ended Up in Prison

You have finally found your dream home in Spain.

White walls.

A sunny terrace.

A lemon tree.

And bars on every window.

Lovely.

Your first thought:

“How quickly should we get out of here?”

The estate agent says the neighbourhood is very safe.

You look at the window.

The window seems to have a different opinion.

Welcome to Spain.

Where a house can look as if either something extremely valuable is being kept inside...

...or nobody is allowed to leave.

🪟 First Things First: What Are Those Things Actually Called?

In Spain, the metal bars in front of windows are often called rejas.

And they are everywhere.

On old village houses.

On modern villas.

On ground-floor apartments.

On homes in quiet neighbourhoods.

On properties where the biggest crime in the past ten years was probably someone putting the rubbish out on Tuesday instead of Wednesday.

For Dutch people, they take some getting used to.

We see bars and think:

Danger.

Spaniards see bars and think:

Window.

That difference can make your first property viewing surprisingly exciting.

🔐 So… Is Spain Really That Unsafe?

Not automatically.

Of course, rejas are also used for security.

A ground-floor window is simply easier to reach than a window on the fourth floor.

That is no different in Spain than anywhere else.

The difference is that we like to solve the problem with:

🔔 a smart doorbell
📹 three cameras
💡 a light that switches on when a cat walks past
📱 an app that wakes us up at 3:14 a.m. because a branch moved

The Spaniard chose a different solution years ago:

Metal.

No Wi-Fi required.

No subscription.

No notification saying the battery has 4% left.

Just metal.

It even works during a power cut.

Quite clever, really.

☀️ But Security Is Not the Whole Story

This is where it gets more interesting.

On hot days in Spain, you often want to leave your windows open.

Not for five minutes.

Not only while you are sitting next to them.

Just open.

Fresh air in.

Heat out.

Doors open.

Windows open.

Let the house breathe.

With rejas, you can leave a window open without making it quite so easy for someone to use that same window as an entrance.

That is especially useful when you live on the ground floor.

Or when you are sleeping.

Or when you pop to the supermarket and return with twelve things you did not need because Mercadona had new snacks again.

So what may feel to a Dutch person like:

“Why is this house locked up?”

can actually mean to a Spaniard:

“Great. Now we can leave the window open.”

🏡 The Dutch Buyer Wants to Remove Them Immediately

It probably goes something like this:

The Dutch buyer purchases a house.

Day one:

“Beautiful!”

Day two:

“Those bars have to go.”

Day three:

Angle grinder.

Day four:

All the windows stay closed because nobody feels comfortable leaving them open anymore.

Day five:

“Why is it so hot in here?”

Sometimes it is worth understanding why something is there before enthusiastically removing it.

That applies to more things in Spanish homes.

Shutters.

Blinds.

Tiles.

Courtyards.

That one door nobody quite knows where it leads.

Spanish homes are often adapted to a different climate and a different way of life.

Not everything was designed with a Dutch furniture showroom in mind.

🎨 And There Is Something Else: Spaniards Sometimes Just Think They Look Beautiful

Yes.

Really.

Not every reja looks as if it has been borrowed directly from a prison.

Many older ones are decorative.

With curls.

Flowers.

Patterns.

Ornamental details.

Some are a genuine part of the architecture of the property.

Especially on traditional homes, they can add real character to the façade.

A Spaniard sees:

“Beautiful authentic detail.”

A Dutch person:

“Can we put a plant in front of it?”

And honestly?

After a while, many foreign buyers get used to them.

In fact, after three years in Spain, they look at a house without rejas and say:

“Don’t you think it looks a bit bare?”

Integration complete.

🌺 Rejas Have Another Function: Somewhere to Hang Plants

Because why use a metal structure only for security when you can also hang twelve flowerpots from it?

This is Spain.

Everything can be made more cheerful.

Bare metal bars?

Two geraniums.

Still looking a little severe?

Four more pots.

Add a pink bougainvillea.

Done.

From:

“You’re not getting in.”

To:

“You’re not getting in, but look how beautiful my flowers are.”

That may be the most Spanish security strategy ever invented.

👀 And What About Privacy?

Also interesting.

Many Spanish houses are closer to the street than Dutch buyers are used to.

Sometimes you open your front door and practically step into your neighbours’ conversation.

Windows may face directly onto the street.

People walk close by.

Children play outside.

Neighbours talk.

Carmen from 3B has, of course, already noticed that you are home.

Rejas, together with shutters, curtains or other solutions, can create a kind of boundary between inside and outside.

Not complete isolation.

Carmen would never allow that.

But at least a little distance.

🏖️ Why Do You See Them on Holiday Homes Too?

Because holiday homes are sometimes left empty for long periods.

A property that is unoccupied for months may benefit from extra security.

But again:

A house with rejas does not automatically mean the neighbourhood is dangerous.

It may simply mean that:

  • the property is on the ground floor;
  • the windows are often left open;
  • the house is empty for part of the year;
  • the rejas are part of the original architecture;
  • the owner finds them practical;
  • nobody has ever bothered to remove them.

That last one is an important Spanish building tradition.

If something has worked perfectly well for thirty years, why suddenly make it a problem on a Tuesday?

🤔 Should You Worry If a House Has Rejas?

No.

But you should not do the opposite either and think:

“There are bars, so absolutely nothing can ever happen here.”

When judging a property, look at the whole picture.

The location.

The neighbourhood.

The position of the house.

How easy the windows and doors are to reach.

How often the property is empty.

What other security measures are in place.

Talk to people who know the area.

Walk around the neighbourhood at different times of day.

A street can feel very different in the evening than it does during the day.

And ask questions.

Lots of questions.

Not only:

“Is the fridge included?”

But also:

“Why are there rejas?”

Maybe the answer is:

“Because they are normal here.”

Maybe the answer is:

“Because the house is empty for six months of the year.”

And maybe someone says:

“No idea. They were already here when my grandmother lived here.”

That is an answer too.

🔨 Can You Just Remove Them?

Technically, many rejas can of course be removed.

But before reaching for the angle grinder because your inner Dutch person wants more light, air and freedom, it is worth checking a few things first.

Do you live in an apartment building or urbanisation?

There may be rules about changing the exterior appearance of the building.

Is the property historic or protected?

There may be additional restrictions.

Are the rejas part of the security that allows you to leave the windows open?

You may only discover how useful the previous owner found them after they are gone.

In short:

Think first. Grind later.

A rule that, surprisingly, also helps with many other Spanish property problems.

🇪🇸 Maybe the Real Difference Is Not in the Windows

Dutch people often look at a house and think:

How can I make this completely mine?

Spaniards may be more likely to ask:

How does this house work here?

In this climate.

On this street.

With this way of life.

That is why Spanish homes have things that may initially seem strange to foreign buyers.

Bars on the windows.

Shutters that turn the house into a cave in the middle of the day.

Tiles where we might use carpet.

A courtyard that a Dutch buyer would probably turn into a conservatory within six months.

But there is often a reason behind it.

Sometimes practical.

Sometimes historical.

Sometimes cultural.

And sometimes because someone built it that way fifty years ago and nobody has felt like having a meeting about it since.

🏡 So: Prison or Dream Home?

You are standing in front of your dream home again.

White walls.

Sunny terrace.

Lemon tree.

Bars on the windows.

But now you see them differently.

Maybe they are there for security.

Maybe they allow the windows to stay open.

Maybe they are part of the architecture.

Maybe next month there will be twelve geraniums hanging from them.

And maybe...

...you will even start to like them.

That is the danger of Spain.

First, you think the bars are strange.

Then you buy a house with rejas.

And three years later, you are standing in a shop discussing which metal pattern looks best with your new flowerpots.

☀️ Understand a Spanish Home Before You Change It

At CasaOthers, we believe a property is about more than the number of bedrooms, the square metres and the distance to the beach.

A house also tells you something about how people live.

And sometimes that story begins with something as simple as a window.

So if, during a viewing, you find yourself thinking:

“Why on earth have they done that?”

Ask.

The answer may be important.

Or practical.

Or surprising.

Or very Spanish.

Browse the latest properties in Spain and discover which Spanish home suits your way of life.


Read More


The Dutch see bars and think danger. Spaniards see an open window without the worry.

What did you think the first time you saw a Spanish house with rejas?

#Wonen in Spanje#Living in Spain#Spaanse huizen#Spanish Homes#Rejas Spanje#Spaanse cultuur#Huis kopen in Spanje#CasaOthers
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