Old buildings · Buyer advice
Buying an older property: charm, renovations and points to consider

Stone walls, exposed beams, fireplaces, woodwork, high ceilings, outbuildings, and mature grounds often make a property with character. However, these qualities sometimes come with the need for renovations, specific construction techniques, and maintenance that must be anticipated before purchase.

An old property cannot be analyzed in the same way as a recent construction

Buying an older property means understanding a building that has sometimes evolved over several generations. Extensions, roof repairs, heating system changes, interior redistribution, or successive renovations can have profoundly altered its original function.

The age of a building is not in itself a flaw. Many old houses have remarkable construction and may have been perfectly maintained. What matters is understanding the property's actual condition and the consistency of the work carried out over time.

01

Observe

Look beyond the decoration: walls, floors, ceilings, roof, woodwork and outbuildings.

02

To understand

Identify the materials, transformations and general functioning of the building.

03

Budget

Distinguishing between necessary work, comfort improvements, and heritage restoration.

1. Start with the roof and the framework

The roof is naturally one of the first things to examine on an older property. Its surface area can be significant, and the type of materials used will greatly influence the cost of any future repairs.

Cover Examine the general condition, visible repairs, materials used and age when known.
Carpentry: Check the condition of accessible wood, any deformations and traces of moisture or infiltration.
Water drainage: Gutters, channels and downspouts must properly direct water away from facades and foundations.
Attics: Attics often allow direct observation of the underside of the roof and certain defects invisible from the outside.
On a large house, a few hundred square meters of roofing can transform a seemingly minor item into a significant investment.

2. Humidity: find the source rather than masking the symptoms

Dampness is common in old buildings, but not all situations are the same. A mark on a wall can come from a leak, seepage, a drainage problem, insufficient ventilation, or a phenomenon related to the very nature of the old wall.

Therefore, we must avoid drawing hasty conclusions. Some renovations using materials poorly suited to traditional buildings can even worsen the problems instead of resolving them.

  • observe the base of the walls;
  • examine the rooms that are not very heated;
  • look at the cellars and basements;
  • look for traces under the windows and on the ceiling;
  • check the ventilation of the bathrooms;
  • observe the flow of water around the building.

3. Respect the way old walls function

A house built of stone, brick, cob, or rubble doesn't necessarily behave like a contemporary home. Therefore, the choice of materials used during a renovation can be truly important.

Some older buildings rely on a balance between ventilation, moisture exchange, and traditional materials. Plasters, linings, or coatings that are too airtight can sometimes disrupt this balance.

When a major renovation is planned, consulting a professional experienced in old buildings can be particularly useful before defining technical solutions.

4. Check for cracks and deformations

An old house is not necessarily perfectly straight. Slightly uneven floors, thick walls or small deformations can be part of its history.

On the other hand, some cracks deserve more careful analysis, especially when they are large, recent, evolving, or appear in several coherent locations in the building.

If in doubt, it is better to have the disorder examined rather than trying to interpret it solely during the visit.

5. Insulation: improving comfort without altering the character of the home

Improving the energy efficiency of an older property often requires a comprehensive approach. The goal is not simply to add insulation everywhere, but to determine the most relevant interventions.

Attics: Insulating the upper parts is frequently a first area for improvement.
windows is not always the only solution. Some older windows can be restored or improved.
Walls: Solutions must be adapted to their composition and hygrometric behavior.
Ventilation: Any improvement in airtightness must maintain sufficient air renewal.

6. Heating: consider the actual scale of the property

Heating a house of 400, 600 or 1,000 m² obviously has nothing to do with heating a traditional medium-sized house.

The type of energy, the age of the installation, the insulation, the ceiling height, the actual occupancy of the rooms and the possibility of heating certain areas separately must be studied together.

New equipment does not necessarily mean low consumption if volumes or losses remain very high.

7. Electricity, plumbing and networks: check what's hidden behind the walls

Successive renovations may have resulted in very heterogeneous installations. Part of the building may have been completely renovated while a wing, a floor or an annex retains much older equipment.

Electricity: Examine panels, visible equipment and areas that have been renovated or not renovated.
Plumbing: Check hot water production, apparent condition of the pipes and available pressure.
Water: Identify the source of the water supply and any special installations.
Internet and telecommunications: For an isolated property, check the solutions actually available rather than assuming they exist.

8. Don't forget the old dependencies

Character properties often consist of a group of buildings: main house, barns, stables, gatehouse, workshops, dovecotes, garages or outbuildings.

These outbuildings can represent tremendous potential, but also a significant part of future work.

Each one must therefore be examined as a building in its own right: roof, walls, floors, networks, access and purpose.

9. Heritage: identifying what needs to be preserved

Woodwork, fireplaces, antique parquet floors, staircases, ironwork, decorated ceilings, stones, stained glass or facade elements sometimes contribute directly to the value and character of the property.

Overly systematic renovation can eliminate precisely what made the property remarkable.

In an older property, the best renovation isn't always the one that makes the building look new. It's often the one that improves its comfort while preserving what truly deserves to be preserved.

10. Inquire about possible asset protection

Depending on the property and its location, certain buildings or elements may be subject to specific rules related to heritage or their environment.

This situation does not necessarily prohibit the work, but it may modify the procedures, the materials that can be used, or the possibilities for transformation.

If an important project is influencing your purchase, these questions should be checked before you commit.

11. Evaluate the work by priority

When faced with an old property requiring renovation, it is useful to distinguish several levels of intervention.

HAS

Preserve

Roofing, structure, leaks, safety and other work preventing damage to the property.

B

Make habitable

Heating, electricity, plumbing, sanitary facilities, ventilation and daily operation.

C

Improve

Decoration, comfort, redistribution and work that can be carried out gradually.

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Preserving the character while preparing for the future

Buying an older property often means becoming the custodian of a building that existed long before its new occupants. This obviously doesn't preclude comfort or modernization.

The challenge lies in identifying what needs repair, what can be improved, and what deserves to be preserved. A thoughtful renovation thus makes the property more comfortable without erasing the architecture, materials, or details that were precisely what made it so appealing.

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