Renovating a trullo: the mistakes to avoid
The trullo is a delicate building: built with ventilation and moisture principles that modern materials can ruin in a few seasons. The typical mistakes are three.
1. Sealing everything
The trullo 'breathes' through its dry-stone walls and lime. Using cement-based plaster, rigid membranes or non-breathable insulation creates condensation and mould: the wrong external insulation is the most common damage.
2. Not carrying out a structural diagnosis
Vaults and cones must be checked before intervening: cracks, leaks, detachment. Consolidating after finishing means throwing the work away.
3. Underestimating restrictions and permits
Many trulli are listed: specific authorisations are needed. Starting work without an application exposes you to fines and shutdown of the site.
The checklist before you start
Define the real budget
Not just how much you want to spend, but also how much you can set aside for surprises: a practical rule is to reserve 10-15% of the budget for what emerges during the works.
Gather information on the property
Year of construction, last refurbishment, condition of the systems, cadastral floor plan: the more data you give at the site visit, the more realistic the quote will be.
Compare breakdowns, not totals
Two quotes can only be compared item by item: materials, quantities, exclusions. A low total without a detailed breakdown does not mean a saving.
Check warranties and references
Ten-year insurance, penalties for delay, works photographed with dates and places, contacts of previous clients: promises without proof are worth little.
Plan the times of your life
Moves, furniture, any rentals: the programme of works must be cross-checked with your diary to avoid costly overlaps.
Put everything in writing
Specification, programme of works, payment terms, how surprises will be handled: before the start, not during. It is the simplest protection there is.
Take your time with these six points: they cost nothing and protect everything. One piece of advice we repeat to every client: never choose on price alone. A renovation is a project you will live with for years, and the difference between a serious firm and a low-ball offer shows after six months, not on the day you sign. Take the time to visit a site, talk to a previous client, read the contract calmly: those are hours well spent.
One more thing worth saying: the best time to plan a renovation is before you start buying materials or booking trades. A couple of days of thinking at the beginning saves weeks of corrections later. Our job is to help you ask the right questions from day one — and to answer them with numbers, not adjectives. Every guide on this site comes from our real sites: the figures are the ones we meet every day, the mistakes we describe are the ones we have learned to avoid. We update them regularly because prices, incentives and regulations change — and a guide that is a year old can point you in the wrong direction. If something is not clear or you want to explore your specific case, the free site visit is the natural next step.
Frequently asked questions
+How much does it cost to renovate a trullo?
From 400 to 900 €/sqm depending on the state of preservation and the level of finish, with a greater weight of structural works than in a flat.
+Can underfloor heating be installed?
Yes, with build-ups designed not to overload the structures and with compatible floors such as chianche.
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Frequently asked questions
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