Terrace construction in Namur

Deck construction in Namur

Creating a terrace in Namur means gaining a comfortable outdoor living space that is pleasant and durable, suited to the climate (rain, frost, moss) and your use (meals, relaxation, children). Our role: to design a reliable slope plan, size the structure (foundations, pedestals, joists or slab), choose proven Belgian materials (blue stone, ceramic stone ext., klinkers, wood, composite) and ensure clean finishes (step edges, joints, thresholds). We operate in houses as well as apartments (balcony/terrace on pedestals), in Namur and its entities (Jambes, Salzinnes, Saint-Servais, Wépion, Bouge, Vedrin, Belgrade, Suarlée, Naninne), with a single point of contact from the quote to the reception.

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Why choose Avenir Renovations?

Single point of contact

Complete site monitoring

Online customer area

State aid management


Do you want to build a terrace in Namur?

Benefit from a clear plan, a detailed quote, and a careful execution by local craftsmen.

Contact Avenir Rénovations Namur to create a sustainable, practical, and aesthetic terrace.

Steps of a terrace project

Steps of a terrace project

At Avenir Rénovations Namur, the creation of your terrace follows a clear and structured method in five steps. Each phase, from design to reception, guarantees a durable, aesthetic result perfectly suited to your outdoor space.

What terrace do you have at home

Each project combines aesthetics, maintenance, budget, and sustainability. We guide you simply, without unnecessary jargon.

  • Blue stone : timeless, very durable, non-slip finishes (flamed, bush-hammered). Perfect for a Namur house; requires gentle cleaning regularly.
  • Outdoor porcelain stoneware (20 mm) : low porosity, stable color, minimal maintenance. Installation on stabilized or pedestals depending on context.

Klinkers/pavers : robust, repairable individually, wide choice of colors. Ideal for light traffic terraces or mixed terrace + driveway areas. Installation on foundations + stabilized with controlled slopes.

  • Wood (treated pine, thermowood, exotic) : warmth and comfort for bare feet; requires periodic maintenance (oil/stain).
  • Composite : low maintenance, contemporary look, dimensional stability; careful installation essential (expansions, gaps, fixings).
  • Slabs on pedestals : lightweight, draining, no bonding on existing waterproofing (to be preserved).
  • Guardrails compliant, loads respected; coordination with the property manager/AG if in co-ownership.

Price of a terrace in Namur 

Prices vary according to surface area, access, material, and complexity. A detailed quote always follows a visit.

Item Price indication (VAT included)
Terrace klinkers (foundations + installation), per m² 45 to 95 €/m²
Terrace ceramic stone 20 mm (on stabilized/pedestals), per m² 80 to 170 €/m²
Terrace blue stone (slabs + installation), per m² 100 to 190 €/m²
Terrace wood (structure + boards), per m² 90 to 180 €/m²
Terrace composite (structure + boards), per m² 110 to 200 €/m²
Outdoor staircase (2–5 steps, stone/concrete) 400 to 1,200 €
Gutter/drain + connections (standard package) 250 to 900 €
Lighting (points + wiring, package) 300 to 1,200 €
Borders / low walls (per linear meter) 45 to 150 €/lm
Excavation & soil removal (per m³) 25 to 60 €/m³

Budget tip: combining terrace + pathway allows for optimized excavation and supplies.

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The technical points that make a difference

Slopes, drainage & anti-rising

We set regular slopes (≈ 1–2 %) towards gutters/drainage, treat the thresholds, and install water outlets to avoid puddles and dirt at the base of the frames. At the foot of the facade, we provide for a capillary break (weep hole, strip, draining joint).

Foundations & support

Solid terrace = stable support: excavation, granular foundation, stabilized compacted. For wood/composite: adjustable pedestals + joists sized accordingly. On balcony/roof: pedestals on waterproofing with appropriate shims.

Slip resistance & frost

Choice of suitable textures (R10–R11 for ceramic, blue stone finishes), secured step edges, treatment of edges. Joints and mortars are selected to withstand frost.

Finishes & connections

Accessible thresholds if desired, step edges, clean borders, regular jointing. Integration of recessed lights, conduits, and sleeves for future gate/lighting.

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The advantages of Avenir Rénovations

  • A single point of contact throughout the project: terrace, paving, masonry, lighting, drainage.
  • Local contractors experienced with blue stone and klinkers.
  • Transparent quotes: material/installation options, slope plans provided.
  • Clean sites: protections, earth management, daily cleaning.
  • Controlled quality: foundations, compaction, joints, verified slip resistance.
  • Multi-lot coordination: connections between facade/frames, thresholds, stairs, lawns.
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Common cases in Namur: our solutions

Puddles and rapid greening

We address slopes and drainage, add a gutter at the frames, and provide for draining joints. Simple maintenance recommended (gentle rinsing, occasional anti-moss treatment).

Shifting pavers / opening joints

Often due to insufficient compaction. We redo the structure (foundations + stabilized), secure the borders, and tighten the joints.

Slippery terrace in winter

Selection of slip-resistant finishes, periodic cleaning, controlled slope. For wood: limited grooves and suitable oils.

Terrace in co-ownership (balcony/roof)

We favor slabs on pedestals, respect loads, protect the existing waterproofing, and prepare a file for the property manager/AG (weight/m², slopes, drainage, visuals).

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Materials: how to decide quickly?

  • Want zero maintenance worries?Outdoor porcelain stoneware
  • Belgian charm and a safe bet?Non-slip blue stone.
  • Flexible and repairable budget?Klinkers.
  • Visual warmth and barefoot comfort?Wood (with maintenance).
  • Contemporary look and low maintenance?Composite (careful installation required).
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Urban planning, rainwater & season

  • Urban planning: ground-level terrace = generally no permit required; walls, gates, platform height or appearance modification may require notification/permit. We will inform you and prepare a simple file.
  • Rainwater: we size the slopes, install drains/inlets, connect to the network or to the cistern.
  • Season: ideal between spring and autumn for mortar/joint setting; possible in winter if frost-free and stable weather.
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FAQ - Building a terrace in Namur

Blue stone or porcelain stoneware: which to choose?

The blue stone offers a local character and excellent durability; it requires gentle maintenance to keep its shine. The porcelain stoneware is stain-resistant, does not fear moss, and requires very little maintenance. Your choice depends on the aesthetic and the maintenance time you are willing to accept.

Natural wood or composite?

Wood is warm and comfortable but grays and requires maintenance (oils/stains). The composite retains a stable color and mainly requires cleaning. The budget is often slightly higher for composite, with a more technical installation.

How to prevent water rising against the house?

We plan for a water discharge (profile, drain) at the level of the frames, a capillary break at the base of the facade, and slopes directed outward. The thresholds are installed with a slight slope and drip edges.

Can I integrate lighting and prepare for a future gate?

Yes. We run ducts and reservations for spots, bollards, automation, and outdoor sockets. It is simpler and less expensive to plan during construction.

How long does a terrace project take?

For 25–35 m², expect 5 to 10 working days depending on material, access, and weather (excluding supply delays). We provide you with a phased schedule and inform the neighbors if necessary.

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Agency Avenir Rénovations
for Terrace construction in Namur

An expert to take charge of your renovation projects and guarantee deadlines, budgets and quality of all services.

Terrace construction in Namur and everywhere in France

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