Open vs Closed Kitchen: Pros, Cons and Which to Choose for Your Renovation

If you're thinking about renovating your kitchen in Cádiz, you've almost certainly landed on the big question: open-plan versus closed kitchen. It's not a decision to take lightly. The layout of your kitchen shapes how you cook, how you entertain, how light moves through your home, and ultimately how you live in it. In this guide we give you concrete facts, real budgets and the knowledge we've built up over more than a decade of renovating homes across the province of Cádiz, so you can choose with confidence.

What is an open-plan kitchen and what is a closed kitchen?

An open-plan kitchen, sometimes called an American-style kitchen or a kitchen integrated into the living space, shares its footprint with the dining area or sitting room, with no dividing walls. It's the layout that has dominated new-build homes across Spain for roughly the past decade. Its popularity has grown particularly in cities like Cádiz, where many flats in the historic centre and in neighbourhoods such as Bahía Blanca or Puntales have limited floor space, and opening up to the living room creates a far greater sense of space.

The closed kitchen, by contrast, is the traditional setup: a self-contained room with its own door and walls. It was the norm in Spanish residential architecture for decades and remains the preferred choice for those who value a clear functional separation between cooking and living. In classic buildings in the old town of Cádiz or in areas such as Extramuros, this is the layout you'll find as standard.

Neither option is objectively better than the other. The right choice depends on your lifestyle, the size of your home, how much you cook and how you use the space. We'll break each one down with straightforward professional honesty.

Advantages of an open-plan kitchen: brighter, more sociable spaces

The main advantage of an open-plan kitchen is the feeling of space. By removing the wall that separates it from the living room, natural light flows more freely and the whole area feels considerably larger. In a small flat of 50 to 70 square metres (entirely typical in central Cádiz) opening the kitchen onto the living room can completely transform how the home feels. You don't gain any actual square footage, but the visual difference is remarkable.

Another key benefit is the social aspect. With an open-plan kitchen you can get dinner on whilst chatting to family or guests, you're never cut off from the room. If you have young children, you can keep an eye on them while you cook. In homes where the kitchen is the heart of family life, this layout makes perfect sense.

• More natural light once walls blocking windows are removed
• A greater sense of space, ideal for flats under 80 m²
• Better flow between kitchen, dining area and sitting room
• Lets you keep an eye on young children whilst cooking
• Added property value: flats with open-plan kitchens sell between 5% and 10% faster on portals such as Idealista
• A contemporary look that aligns with current interior design trends

From a financial standpoint, an open-plan kitchen renovation in Cádiz can increase the value of your property. Younger buyers are actively seeking bright, open spaces. If your medium-term plan is to sell or let, this layout gives you a clear advantage in the Cádiz property market.

Disadvantages of an open-plan kitchen: smells, noise and tidiness

It's not all upside. The main drawback of an open-plan kitchen is cooking smells. When you're frying fish or cooking with bold spices (both very much part of the Cádiz culinary tradition) the smell drifts through the entire living room. A powerful extractor hood (minimum extraction capacity of 700 m³/h) is non-negotiable, but even the very best hood won't eliminate every trace of odour.

Noise is another factor that many people underestimate. The sound of the dishwasher, the extractor, a running tap or a food processor bleeds directly into conversation in the sitting room or competes with the television. In a closed kitchen, you shut the door and the problem disappears. In an open-plan kitchen, you simply live with the noise.

On top of that, an open-plan kitchen demands constant tidiness. Everything is on display: the dirty plates, a cluttered worktop, a pan left on the hob. If you're not naturally methodical about keeping things clean, an open-plan kitchen can become a source of real visual stress. It pays to be honest with yourself about your habits before you commit.

Advantages of a closed kitchen: privacy, practicality and cleanliness

The closed kitchen still has its advocates, and rightly so. Its great strength is containment. Smells, steam, grease and noise stay where they belong. You cook with complete freedom, without worrying about your living room smelling of a fry-up or guests catching a glimpse of the chaos while you're putting together an elaborate meal.

From a practical standpoint, a closed kitchen makes better use of its walls. With four full walls to play with, you can fit more tall units, more shelving and more storage overall. In homes where storage space is at a premium, this makes a real difference. It also allows for large appliances (an American-style fridge or a larder unit with a door) without compromising the look of the living room.

• Complete isolation of cooking smells, steam and noise
• Greater storage capacity by making full use of every wall
• Freedom to cook without worrying about how things look
• Better energy efficiency: a smaller space is easier to heat or cool
• Clear separation of functions between cooking and relaxing

In a warm climate like Cádiz's, having a closed kitchen also helps with temperature control. In summer, cooling a 30 m² living room that includes a kitchen costs considerably more than cooling the two spaces separately. Given current electricity prices, that's not a trivial consideration.

Disadvantages of a closed kitchen: a reduced sense of space

The main drawback of a closed kitchen is that it makes the home feel smaller, particularly in compact properties. In a 60 m² flat with a closed kitchen, you can end up with a kitchen of just 6 or 7 square metres that feels cramped the moment two people try to cook at once. It's the scenario we encounter most often in renovation projects in central Cádiz and Puerto Real.

It also limits the flow of natural light. If the kitchen has only a small window, or none at all, as is the case in many internal flats in older Cádiz buildings, it becomes a dark room that relies on artificial light around the clock. In design terms, closed kitchens can feel dated compared to the open-plan layouts that dominate magazines and social media.

Finally, a closed kitchen isolates whoever is doing the cooking. If you're always the one preparing meals, a closed kitchen can mean spending hours each day cut off from the rest of the household. For many people this is an emotionally significant factor that genuinely deserves consideration.

The semi-open kitchen: the most popular compromise in Cádiz

In our experience of carrying out renovations across Cádiz, the semi-open kitchen has become the most sought-after option. What exactly does it mean? A kitchen that is visually connected to the living room but includes some form of partial separation: a breakfast bar, a peninsula, sliding glazed doors or a half-wall. It combines the best of both worlds.

Glazed sliding doors with black aluminium or steel framing have been the standout solution of recent years. They allow light to pass between the two spaces, maintain the visual connection, and (when closed) contain smells and noise. A good-quality sliding glazed unit for a 2.5-metre opening costs between €1,200 and €2,500 installed, depending on the material and finish.

Professional tip: if you go for a semi-open kitchen with glazed doors, choose a frame in powder-coated aluminium or oven-lacquered steel with an anti-corrosion treatment. In Cádiz, the humidity and salt air accelerate corrosion significantly. Untreated steel framing can start to rust in under two years. We always recommend oven powder-coating to guarantee lasting durability.

Another option that works extremely well in smaller flats is the breakfast bar or peninsula. It acts as a visual divider, provides an extra surface for breakfast or drinks, and in many cases removes the need for a separate dining table altogether. In kitchens of 8 to 12 square metres, the peninsula is the most efficient solution we can offer.

How much does it cost to knock down or build a wall to change your kitchen layout?

One of the deciding factors when choosing between an open-plan or closed kitchen is budget. Knocking down a wall to open the kitchen onto the living room is not simply a matter of demolishing a partition: it means verifying that it isn't load-bearing, managing the rubble, repairing floors, adapting the electrical and plumbing installations, and finishing the surfaces. Below we give you real prices based on our 2025 and 2026 quotes across the province of Cádiz.

It's essential to have a professional check whether the wall you want to remove is load-bearing before any work begins. In older buildings in central Cádiz (some more than a hundred years old) load-bearing walls are not always where you'd expect them. We always carry out a no-obligation preliminary inspection to assess feasibility and avoid any unpleasant surprises.

Rubble disposal in Cádiz's historic centre has its own particular challenges: narrow streets, restricted access for skips and specific local authority regulations. It's a cost that needs to be factored in, and it varies between €150 and €400 depending on the volume and the location. Working with a local company that knows these quirks will save you time and a good deal of hassle.

Which option suits your home best, depending on size and use?

There is no universal answer to the question of whether to choose an open-plan or closed kitchen. The right option depends on your specific circumstances. Having carried out hundreds of renovations in homes across Cádiz city, Chiclana, San Fernando, El Puerto de Santa María and Jerez, we've identified clear patterns that should help you decide.

• Small flat (under 65 m²): an open-plan or semi-open kitchen is usually the best choice. You'll gain visual depth and light, the ideal configuration for a compact flat.
• Mid-sized property (65–100 m²): here you have room to weigh things up. If you cook frequently and use bold ingredients, a closed or semi-open kitchen with glazed doors will give you the best of both worlds.
• Large house or villa (over 100 m²): you can afford a generous closed kitchen without sacrificing any sense of space. Many of our clients in areas such as Novo Sancti Petri or La Barrosa opt for closed kitchens of 15–20 m² with a central island.
• Young couple or single occupant: an open-plan kitchen integrated into the living space maximises the floor area and creates a sociable atmosphere. It's the most popular choice in renovation projects in the historic centre of Cádiz.
• Family with young children: a semi-open kitchen is ideal. You can keep an eye on the children whilst cooking, but close the glazed doors when you need to contain smells or when the little ones are asleep.
• If you let your property: an open-plan or semi-open kitchen attracts more tenants and can justify a rental premium of between €30 and €60 per month in Cádiz.

Our final advice is to come and see us before you make up your mind. Every home has its own structural constraints, plumbing and installation limitations, and design opportunities. At Reformas By Bianca we offer a free, personalised assessment so you can make your decision with all the relevant information to hand. Renovating your kitchen in Cádiz is an investment you'll enjoy for many years to come, it's well worth doing it properly.