In Premià de Dalt nearly every project is a house: detached homes, many on sloping plots, and 1970s villas that need more than an interior refit. We run them from our office in Premià de Mar, a few minutes away.
Renovating in Premià de Dalt has little in common with doing up a flat. A house brings in the parts a building's owners' association would normally pay for: roof, façade, windows, drainage and often the plot's retaining walls. That is why two 180 m² houses can have very different budgets.
Slopes add their own list. We need to plan how lorries and materials get in, where materials are stored and how rainwater leaves the plot. We look at this on the first visit, before giving a price, because it shapes how the whole job is organised.
Expectations of a house also change over time. 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 together; we explain how in passive houses and air-source heat pumps.
| Part of the house | Why it matters in Premià de Dalt | What we do |
|---|---|---|
| Roof | The most exposed element and the first to fail in 40 or 50 year old houses | Full inspection, waterproofing and insulation; replacement if needed |
| Retaining walls | Many plots slope and old walls have no drainage | Assessment, drainage behind the wall, reinforcement or a new wall with a project |
| Façade and windows | Heat loss and water getting in around openings | Thermally broken frames and properly sealed openings |
| Services | Original boilers and electrical panels | New installation, air-source heat pump where the house allows |
| Site access | Narrow or steep streets | Storage and delivery plan agreed from day one |
If the house was built between the 1950s and the 1970s, we also confirm the beams are not high-alumina cement before finalising the quote.
Indicative 2026 ranges, excluding VAT, before seeing the house:
| Type of work | Indicative price | Time on site |
|---|---|---|
| Interior house renovation | €900–1,200/m² | 3 to 5 months |
| Full renovation with roof, façade or windows | €1,200–1,600/m² | 4 to 8 months |
| New detached house | €1,800–3,500/m² built | 10 to 18 months, plus permit |
New-build prices exclude the plot, design fees and taxes. The price moves most with foundations and ground conditions, the external joinery and the heating and cooling system. We take on projects from €70,000 before VAT, with an itemised quote and payment against work completed.
In Premià de Dalt many projects touch the roof, façade or volume, so a major works permit with an architect-signed project is the norm. Interior-only renovations are usually filed as a prior notice for minor works.
Before planning an extension, an enclosed porch or a pool, we check with the architect the buildable area and boundary distances the local plan allows on your plot. At the end of a new build, the first occupancy licence and the certificate of habitability are filed. The construction tax (ICIO) is set by each council, up to a legal maximum of 4% of the construction budget.
If you do not have an architect yet, we can introduce you to the practice we share our Premià de Mar office with. The full county guide is building or renovating a house in the Maresme.
We measure, check the roof, structure, retaining walls and services, and assess site access.
Every chapter measured and priced, with the envelope separated from the interior so you can decide in phases.
Completion guarantee with a penalty for delays. We coordinate the permit with your architect.
Coordinates the trades and certifies progress every week on your tracking panel.
Final walkthrough, project documentation and written guarantees.
We run Premià de Dalt projects from Carrer Gibraltar 44. The office holds tile, joinery and finish samples so you can choose with the material in front of you.
Recent houses and projects run from Premià de Mar in nearby towns.
Full renovation · AlellaA home fully renovated in 16 weeks, with an attic floor, bespoke joinery and seamless finishes.
See the project →
Commercial fit-out · MontgatTurnkey dental clinic handed over in September 2026: façade, reception, treatment rooms and sterilisation.
See the project →
New build · BadalonaA new detached house on the seafront, with structure and envelope designed for the coast.
See the project →A full house renovation including roof, façade or windows costs between €1,200 and €1,600 per m² in 2026. Interior-only work drops to €900–1,200 per m². A new detached house costs €1,800 to €3,500 per built m², excluding plot and fees. We take on projects from €70,000 before VAT.
If the work touches structure, façade, roof, volume or use, Premià de Dalt Town Council requires a major works permit with an architect's project. Interior-only renovations usually go through a prior notice for minor works. For extensions we first check the buildable area and boundary distances allowed on your plot.
Yes. We build complete new detached houses from the foundations up, to your architect's design. On sloping plots we start with the geotechnical survey and the retaining solution. Details on our new build page.
Between 4 and 8 months on site for a house including the envelope. A new build takes 10 to 18 months, plus permit time. The completion date is fixed in the contract with a penalty for delays.
At Carrer Gibraltar 44, Premià de Mar, a few minutes' drive from Premià de Dalt. We are open Monday to Friday from 8:30 to 18:00, and we also come straight to the house or the plot.