Renovations and new build in Premià de Dalt.

A house we renovated in Premià de Dalt

Detached house with a project by studio G44. We changed the layout of the house, redid the services and renovated both bathrooms.

Upstairs, under the sloping timber ceiling, the main bathroom has a level-access shower with a fixed screen, a niche and indirect lighting. The second bathroom has a bathtub, a wall-hung vanity unit and a backlit mirror. The third image shows the upstairs landing mid-works.

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What changes when you renovate a house in Premià de Dalt

A renovation in Premià de Dalt has little in common with renovating a flat. A house includes elements that in an apartment building are paid for by the owners' association: the roof, façade, external joinery, drainage and, often, the plot's retaining walls. That is why two 180 m² houses can have very different budgets.

The slope adds its own list. You have to work out how lorries and materials get in, where materials are stored and how rainwater drains from the plot. We look at this on the first visit, before giving a price, because it shapes how the whole project is organised.

Over the years, what you need from the house also changes. Many 1970s villas have a sound structure but little insulation, windows without thermal breaks and old boilers. A full renovation is the moment to improve the envelope and the heating and cooling at the same time; we explain it in passive houses and aerothermal heat pump.

What we check in a house in Premià de Dalt

If the house was built between the 1950s and the 1970s, we also check that the beams are not made of high-alumina cement before finalising the budget.

How much does a renovation in Premià de Dalt cost?

Guide ranges for 2026, excluding VAT, before seeing the house:

New build does not include the plot, project fees or taxes. What moves the price most is the foundations depending on the ground, the external joinery and the heating and cooling system. We take on projects with an itemised budget and payment against work completed.

New build in Premià de Dalt: enclosing a garage

In the same house we were asked to quote for enclosing the garage and turning it into a closed, insulated space. It is new build on a small scale: it adds volume that did not exist before, so it normally needs an architect's project and a major works permit.

We left it with an itemised budget, with the three flooring options shown separately so the family could decide. Before enclosing a garage or a porch, or building an extension, we check with the architect whether the new volume fits within the plot's buildable area.

If what you have is a plot, we also build the whole house from the foundations up. We explain it in new build.

Permits and extensions in Premià de Dalt

In Premià de Dalt many projects affect the roof, façade or volume, so the usual route is a major works permit with a project signed by an architect. An interior-only renovation is normally processed as a prior notification for minor works.

Before planning an extension, an enclosed porch or a swimming pool, we check with the architect the buildable area and the boundary setbacks that the planning rules allow for your plot. When a new build is finished, the first occupancy licence and the certificate of habitability are processed. In Premià de Dalt the construction tax (ICIO) is 4%, the maximum allowed by law, and it is paid as a self-assessment when applying for the permit. It is calculated on the budget for the works or, if it gives a higher value, on the Architects' Association module calculation. The municipal permit fee is added to that. Works that improve accessibility for people with disabilities get a 90% ICIO rebate.

Example: for a house renovation with a major works permit and a 100,000 € construction budget, the Town Council charges about 4,000 € in ICIO and 1,730 € in fees, around 5,730 € in total. We include it in the planning from the first budget. Data from the 2026 tax bylaws 3 and 10 of Premià de Dalt Town Council.

If you don't have an architect yet, we can introduce you to the studio we share an office with in Premià de Mar. The complete guide to the area is in building or renovating a house in the Maresme.

How we run a project in Premià de Dalt

1. Visit to the house or plot

   We measure, check the roof, structure, retaining walls and services, and assess access.

2. Itemised quote

   Each section measured and priced, with the envelope separate from the interior so you can decide in phases.

3. Contract with a fixed schedule

   Schedule guarantee and penalty for late completion. We coordinate the permit with your architect.

4. Works with a single site manager

   They coordinate the trades and certify progress every week on your tracking dashboard.

5. Handover

   Final inspection, project documentation and written guarantees.

Houses and projects in the Maresme

Recent houses and projects managed from Premià de Mar, in nearby towns.

Full renovation · Alella

Priorat

Home fully renovated in 16 weeks, with an attic, bespoke joinery and seamless finishes.

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Commercial premises · Montgat

MÜN dental clinic

Turnkey dental clinic handed over in September 2026: façade, reception, treatment rooms and sterilisation.

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New build · Badalona

Casagemas

New-build terraced home in Badalona: an added storey with an exposed concrete structure and a high-efficiency envelope.

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Frequently asked questions about renovations in Premià de Dalt