How long a renovation really takes
The timescale you are promised and the one you get rarely match. These are the figures we actually work to — and what makes them grow.
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Short answer
How long does each type of work take?
On site, a bathroom takes 10–18 working days, a kitchen 12–25, and a 70–90 m² flat 10–14 weeks — counted from the first day of demolition, not from signature. Everything before that sits outside the figure: permit processing, made-to-measure kitchen fabrication (4–6 weeks, best overlapped), long-lead items like external joinery and stone, and the owners association’s consent where common elements are touched. Doing the whole flat in one go is always shorter than phasing it; phasing adds roughly 10–15% and several weeks, so if the flat is empty because you live abroad, do it in a single run.
A complete bathroom takes 10–18 working days, a kitchen 12–25 days, and a full renovation of a 70–90 m² flat 10–14 weeks on site. These run from the start of demolition — not from the day you sign.
What the on-site period does NOT include
- Permit processing with the town hall (ayuntamiento): from days to months depending on the type of work
- Made-to-measure kitchen fabrication: 4–6 weeks, best overlapped with the works
- Long-lead supplies: external joinery, custom shower screens, natural stone
- The building community’s consent where common elements are affected
Why quotes promise less
Because a short timescale sells. A serious quote carries the completion period in writing, with agreed consequences for overrunning. A verbal promise commits nobody.
Where time goes
What actually delays building work?
In our experience delays rarely come from the trades themselves. They come from three very specific sources.
The three sources of delay
- Surprises behind the walls: failed pipework, hidden damp, damaged joists. Reduced by opening inspection points beforehand — never eliminated entirely
- Mid-works changes of mind: every material or layout change stops trades and reshuffles the calendar
- Materials that never arrive: choosing and ordering everything BEFORE demolition is the single biggest time-saver
If you are abroad
Distance amplifies the second and third problems. We close every decision in writing before starting, send a weekly photo and video report, and agree a response window for the few decisions that can only be taken mid-works.
One go or phases
Is it faster to do everything at once?
Yes. Doing the whole flat in one go is shorter in total: trades chain their work without repeatedly setting up and clearing protection. Phased work makes sense when you must live in the flat, or want to spread the cost.
Practical rule
If you can move out — or you live abroad and the flat is empty — always do it in one go: fewer total weeks and no repeated fixed costs. Phasing adds roughly 10–15% and several extra weeks.
Practical guide · Timescales
Indicative timescales by type of work
| Type | Time on site | What can add to it |
|---|---|---|
| Complete bathroom | 10–18 days | Custom shower screen: +1–2 weeks of supply |
| Complete kitchen | 12–25 days | Cabinet fabrication: 4–6 weeks (can overlap) |
| Full flat, 70–90 m² | 10–14 weeks | Permit, if structure is affected |
| Detached house | 4–8 months | Roof, envelope and garden, depending on scope |
On-site periods from demolition, with all materials chosen and delivered before starting.
Frequently asked
Common questions
Between 10 and 18 working days once demolition starts, with materials on site. A made-to-measure shower screen may add supply time — not site time.
A 70–90 m² flat is delivered in 10–14 weeks on site. Permits and community consents run separately and can take from days to months.
Three causes concentrate nearly all delays: surprises behind the walls, mid-works changes of mind, and late materials. The last two disappear entirely when every decision is closed before work starts.
In ours, yes: the completion period is part of the signed quote. If the overrun is ours, we carry it; if it comes from a client change or a documented structural surprise, the date is re-agreed in writing.
Barely. Doubling the crew does not double the speed — trades run in sequence: you cannot tile before the pipework is in. What genuinely shortens the job is having every decision and material closed on day one.
Next step
Want a figure for your own project?
Free site visit in Barcelona and the metropolitan area. Fixed written quote within 48 hours, no obligation.
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Clients
What clients say after their renovation
Rated 5.0 from 14 Google reviews. All real, from real projects.
★★★★★
“Doy un 10 la verdad con el servicio que me han prestado en una reforma de un piso en Barcelona capital, gente muy seria y responsable, gracias.”
Araks SahakyanJuly 2026
★★★★★
“Quedé encantada con la atención y la calidad del trabajo. Se nota que cuidan los detalles y cumplen con lo que prometen.”
Ana RiveraApril 2026
★★★★★
“Servicio muy profesional. Me explicaron todo con claridad y el trabajo quedó perfecto.”
Ana AlemanMarch 2026
★★★★★
“Si estas buscando profesionales responsables para hacer tu reforma, es el lugar indicado. Especializados en reformas integrales con la mejor atención personalizada. 100% recomendados.”
Daniel GarganoFebruary 2026
★★★★★
“Muy buen trabajo, ha realizado un trabajo muy profesional, ha cumplido en plazo y en calidad.”
Francisco PiñeirosAugust 2025
★★★★★
“Muy buenos profesionales, con excelente resultado.”
Esther DiezJune 2026
Want a figure for your own project?
Free site visit and a fixed written quote within 48 hours. No obligation.
+34 615 78 93 41· Carrer de la Diputació, 189, Local 2 · 08011 Barcelona