Case studies · Methodology

Our documented missions

Four representative files of our activity, chosen to illustrate the diversity of configurations: turnkey, off-plan in a residential building, heavy multi-lot renovation, extension attached to an existing house. For each case: context, intervention, quantified result.

Raw figures (4.9/5, 87 reviews, 400+ sites covered) say little in themselves. What really matters is what plays out concretely between the preparatory meeting and the final lifting of reservations: which technical points were identified, what negotiation strategy was deployed, what result was achieved, in how much time.

The four cases below are anonymised but rigorously real. They represent four archetypes of files we regularly handle, with their legal and technical specificities. If your project resembles one of them, you will find here a concrete taste of what we can bring you.

Four files

Details by case

Wavre

Turnkey four-sided house · 168 m²

New build · four-sided · 168 m² habitable
Reservations
34
Retention
€24,500
Lifting
90 days

Reception of a turnkey house delivered after 18 months of construction. The developer was pushing for a quick signature, file of more than 600 pages, sensitive technical points on roof and thermal envelope. Our intervention: preparatory visit 3 weeks before the date, full reading of the technical specifications, upfront identification of vigilance points. On the day: 4h30 on site, 34 reservations recorded including 6 major. 5 % retention legitimately blocked. Lifting plan negotiated within 90 days, everything resolved by deadline. Estimated avoided cost: €14,000 in post-reception remediation.

Local page : Wavre →
Liège

Off-plan flat 80 m² · central Liège

VEFA · 2-bedroom flat · 80 m² + terrace 12 m²
Reservations
22
Retention
€15,800
Lifting
120 days

First purchase for a young couple, classic VEFA file in central Liège, 38-unit building. Mission: demystify the Breyne Law procedure from the preparatory meeting, secure the reception on sensitive points of a new flat (acoustics between units, dual-flow ventilation, common/private connections, EPC compliance). On the day: 3h visit, room-by-room methodology, 22 reservations recorded including a major shortcoming on the VMC flow rate. All lifted in 120 days, retention released, serene move-in.

Brussels

Divided building · 4 units · heavy renovation

Renovation + extension · 4-flat building · 320 m² total
Reservations
67
Retention
€48,000
Lifting
180 days

Complex file: an investor simultaneously receives 4 units in a deeply renovated Brussels building. Four receptions in two days, different technical perimeters per unit, acoustic stakes between units particularly sensitive in Brussels. Our approach: a dedicated expert per unit, overall supervision, consolidated report. Outcome: 67 reservations total, 11 major. Grouped retention blocked, staggered lifting over 6 months, file closed without dispute.

Walloon Brabant

Renovation + extension · WB house

Heavy renovation + new extension · 140 m² + 60 m² extension
Reservations
28
Retention
€19,200
Lifting
75 days

Classic hybrid case: new extension attached to a deeply renovated house. Complex contractual boundary between new-build ten-year guarantee perimeter and standard renovation perimeter. Our main contribution was legal: precisely qualify what falls under ten-year liability and what falls under perfect completion, to protect the buyer for the next 10 years. Retention released at 75 days, exemplary file.

Local page : Walloon Brabant →
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