Timber Frame vs. Post & Beam: Which Is Right for Your Client?

Published March 24, 2026 by MVP Pro Timber

A clear comparison of timber frame and post & beam construction for builders quoting mixed timber projects. Covers structural systems, cost premiums, lead times, and when to recommend each.

When a client asks for a "timber frame" home, they often mean something different from what their builder is planning to quote. The confusion between timber frame and post & beam construction costs builders real money — in re-quotes, scope disputes, and supplier mismatches. Here is a clear comparison so you can answer that question in the first client meeting. ## What Is Timber Frame? Timber frame uses a fully engineered structural skeleton of heavy timbers — posts, beams, rafters, and knee braces — joined with mortise-and-tenon or modern metal connectors. The frame carries all structural loads. Infill walls (typically SIPs panels) are non-structural. The exposed frame interior is a central aesthetic feature. Key characteristics: - All structural load carried by the timber frame itself - Open floor plans with minimal interior bearing walls - SIPs or similar infill for thermal envelope - Complex joinery or engineered metal connector system - Requires a specialist timber framer and often a crane ## What Is Post & Beam? Post & beam is a simpler heavy timber approach. Vertical posts and horizontal beams carry the load, but the system typically relies on additional conventional framing elements — roof trusses, dimensional lumber sheathing, and standard stud walls between bays. Joinery is simpler; connections are often bolt-and-plate or lag-based. Key characteristics: - Hybrid: heavy timber combined with conventional framing - Less engineering complexity than full timber frame - Standard lumber trades can work alongside the timber elements - Lower erection cost and shorter learning curve for GCs - Timber is visible but not always the dominant structural story ## Side-by-Side Comparison | Factor | Timber Frame | Post & Beam | |---|---|---| | Structural system | 100% timber skeleton | Timber + conventional hybrid | | Infill method | SIPs or structural panels | Standard framing, OSB, insulation | | Joinery complexity | High (mortise-tenon or precision metal) | Moderate (bolt and plate) | | Crane required | Almost always | Sometimes | | Interior aesthetic | Fully exposed frame | Selective timber exposure | | Cost premium over stick frame | 30–60% | 15–35% | | GC learning curve | Steep | Manageable | | Lead time for timber package | 8–14 weeks typical | 4–8 weeks typical | ## Which Should You Recommend? **Recommend timber frame when:** the client's design is driven by the interior frame aesthetic, the project budget supports the premium, and the site and schedule allow for crane access and a specialty framer. **Recommend post & beam when:** the client wants some timber character at a lower premium, the project is a hybrid with conventional construction, or you need flexibility to use your existing subcontractor base for most of the work. **Ask your supplier upfront:** some timber suppliers quote and package only one system. MVP Pro Timber handles both — confirm your preferred structural system when requesting a quote so the package is engineered correctly f