Buying a ruin in Central Portugal
Buying a ruin in the hills of Central Portugal is a different kind of decision than buying a house. Often only the stone walls remain, sometimes without a roof, frequently without foundations, and almost always without the paperwork the Câmara wants to see. Yet a stone shell holds something a new build never gets: mass, shade, and a hundred years of history.
This page explains what to check before you sign, and what the process looks like afterwards. I do not take on ruin restorations myself: that is heavy structural work involving demolition, foundations and roofs, and I work alone. What I do handle is set out at the bottom.
The first question: can it, and may it?
Most ruins carry two problems you cannot see during a viewing. The first is structural: stone walls with no foundations, built straight onto bedrock or compacted earth. Sometimes they stand fine for another three centuries, sometimes they crack open the moment you change the loading. The second is legal: no recent IMI history, no permit record in the PDM, no exact registration at the Conservatória. Without that paperwork, applying for a licença at the Câmara is a long road.
So have a structural assessment done by an engineer before you buy: measure the walls, expose the foundation strip, map the cracks and establish what can be reused. Only then does the conversation about what the Câmara permits make sense, and which route is realistic: reconstrução, ampliação or obras de conservação.
Where the money goes
- Foundations and micro-underpinning beneath existing walls where they are missing. This legally requires a registered empreiteiro and an engineer who signs off.
- Repairing stone walls with traditional lime mortar. Cement looks stronger but seals the wall and destroys it over time.
- The roof, with a new timber structure and, where possible, the original tiles.
- Wiring and pipework, carried out by a TRIE-qualified electrician and a qualified plumber. In Portugal that is reserved work.
- Interior finishing: insulation, plaster, floors, windows, kitchen and bathroom.
The permit process
Work with a local arquiteto who knows the Câmara well. That saves months in the PDM process. What one Câmara waves through, the neighbouring one may refuse, and that difference often costs half a year of waiting. If the permit history is missing entirely, an arquiteto can start a legalização based on cadastral evidence and old photographs. It takes longer than a normal licença, but it is usually possible.
Realistic expectations
A ruin restoration is not a weekend project and not an Instagram dream. Expect eighteen months to three years from first survey to moving in, and a process with many formal steps. Expect, too, €1,200 to €2,200 per m², depending on how much wall is standing, whether foundation work is needed and what state the roof is in. Those are market figures for orientation, not a quote.
What I do handle
Once the shell stands, the roof is sound and the services are in, my work starts: interior plastering, painting, pladur and partitions, floors, doors, complete bathrooms and kitchen finishing. I carry that out personally, in the final phase of a project like this.
For the structural phase, the roof and the services you need other tradesmen. You will find them through LocalTrades.
Service area
I work out of Fundão in Sertã, Oleiros, Idanha-a-Nova, Penamacor, Sabugal and Guarda. Registered as a sole trader (trabalhador independente) in Portugal, NIF 309729211.
Why Gerardus Koetje?
- Dutch, English & Portuguese
- Registered as a sole trader (trabalhador independente) in Portugal — NIF 309729211
- Years of experience in Central Portugal
- Honest and transparent — no surprises
Service area
- Fundão
- Covilhã
- Castelo Branco
- Belmonte
- Penamacor
- Idanha-a-Nova
- Sertã
- Oleiros
- Guarda
- Sabugal