Classic Flat-Backed Pergola with 3 Posts
Want to build your own pergola without any unpleasant surprises? Each plan is designed with that in mind: all measurements are precise to the millimeter, along with a cut list, hardware list, and a step-by-step assembly guide. You’ll know exactly what to buy and how to put it together.
Our plans are calculated by an engineering firm (Eurocodes)—they’re solid and built to last. The height of the posts can be adjusted to fit your needs.
⚠️ Wall-mounted model: Check the height of your upper-floor windows before choosing your size.
Select your size below. 14 sizes
Want to customize — height, slope, and aesthetic finishes ?
Design your custom pergola in our app
3 configurations for €19
📐 Construction plan for a flat, 3-post attached pergola:
⚠️ Check the height of your windows if you're on an upper floor! The overall rear height is listed below
Wood type: Solid Douglas fir C24 or autoclave-treated pine, class
PROJECT DIMENSIONS (plans)
Length: 6.50 m
Width: 3.50 m
Front post height: 2.50 m
Rear post height: 2.50 m
OVERALL DIMENSIONS (including overhangs)
Overall length: 7.00 m
Overall width: 3.75 m
Overall front height: 2.69 m
Overall rear height: 2.69 m
Actual dimensions of the structure: including roof overhangs and roofing thickness (joists + battens).
Complete professional blueprint in PDF format — 16 pages — all dimensions in mm.
What's included in the plan:
🔹 General views: front, back, side, top 🔹 Technical views: post layout, exploded view, parts list 🔹 Complete cutting list (sections, lengths, quantities, volumes) 🔹 Complete hardware list with part numbers 🔹 Labeled view of components 🔹 YouTube links to our step-by-step assembly tutorials
Profile: Enthusiastic DIY builder, standard tools. Some steps require two people.
⚠️ Plan in French — dimensions in millimeters. 🔒 For personal use only — resale prohibited.
📋 Before Starting the Work
Between posts: 22.75 m²
Footprint: 26.25 m²
(including overhangs)
Depending on the size of the property, your PLU zone, and your specific situation, you may need to file a preliminary notice, obtain a building permit, or even hire an architect.
👉 Check with the urban planning office at your city hall before purchasing any equipment.
The plan generated by SimplyWoodPlan will serve as a reference for this discussion.
📐 Construction plan for a flat, 3-post attached pergola:
⚠️ Check the height of your windows if you're on an upper floor! The overall rear height is listed below
Wood type: Solid Douglas fir C24 or autoclave-treated pine, class
PROJECT DIMENSIONS (plans)
Length: 6.5 m
Width: 4.0 m
Front post height: 2.5 m
Rear post height: 2.5 m
OVERALL DIMENSIONS (including overhangs)
Overall length: 7.00 m
Overall width: 4.25 m
Overall front height: 2.71 m
Overall rear height: 2.71 m
Actual dimensions of the structure: including roof overhangs and roofing thickness (joists + battens).
Complete professional blueprint in PDF format — 16 pages — all dimensions in mm.
What's included in the plan:
🔹 General views: front, back, side, top 🔹 Technical views: post layout, exploded view, parts list 🔹 Complete cutting list (sections, lengths, quantities, volumes) 🔹 Complete hardware list with part numbers 🔹 Labeled view of components 🔹 YouTube links to our step-by-step assembly tutorials
Profile: Enthusiastic DIY builder, standard tools. Some steps require two people.
⚠️ Plan in French — dimensions in millimeters. 🔒 For personal use only — resale prohibited.
📋 Before Starting the Work
Between posts: 26.00 m²
Footprint: 29.75 m²
(including overhangs)
Depending on the size of the property, your PLU zone, and your specific situation, you may need to file a preliminary notice, obtain a building permit, or even hire an architect.
👉 Check with the urban planning office at your city hall before purchasing any equipment.
The plan generated by SimplyWoodPlan will serve as a reference for this discussion.
📐 Construction plan for a flat, 3-post attached pergola:
⚠️ Check the height of your windows if you're on an upper floor! The overall rear height is listed below
Wood type: Solid Douglas fir C24 or autoclave-treated pine, class
Paragraph 3: PROJECT DIMENSIONS (plans)
Length: 6.50 m
Width: 4.50 m
Front post height: 2.50 m
Rear post height: 2.50 m
OVERALL DIMENSIONS (including overhangs)
Overall length: 7.00 m
Overall width: 4.75 m
Overall front height: 2.71 m
Overall rear height: 2.71 m
Actual dimensions of the structure: including roof overhangs and roofing thickness (joists + battens).
Complete professional blueprint in PDF format — 16 pages — all dimensions in mm.
What's included in the plan:
🔹 General views: front, back, side, top 🔹 Technical views: post layout, exploded view, parts list 🔹 Complete cutting list (sections, lengths, quantities, volumes) 🔹 Complete hardware list with part numbers 🔹 Labeled view of components 🔹 YouTube links to our step-by-step assembly tutorials
Profile: Enthusiastic DIY builder, standard tools. Some steps require two people.
⚠️ Plan in French — dimensions in millimeters. 🔒 For personal use only — resale prohibited.
📋 Before Starting the Work
Between posts: 29.25 m²
Footprint: 33.25 m²
(including overhangs)
Depending on the size of the property, your PLU zone, and your specific situation, you may need to file a preliminary notice, obtain a building permit, or even hire an architect.
👉 Check with the urban planning office at your city hall before purchasing any equipment.
The plan generated by SimplyWoodPlan will serve as a reference for this discussion.
📐 Construction plan for a flat, 3-post attached pergola:
⚠️ Check the height of your windows if you're on an upper floor! The overall rear height is listed below
Wood type: Solid Douglas fir C24 or autoclave-treated pine, class
PROJECT DIMENSIONS (plans)
Length: 7.00 m
Width: 3.50 m
Front post height: 2.50 m
Rear post height: 2.50 m
OVERALL DIMENSIONS (including overhangs)
Overall length: 7.50 m
Overall width: 3.75 m
Overall front height: 2.69 m
Overall rear height: 2.69 m
Actual dimensions of the structure: including roof overhangs and roofing thickness (joists + battens).
Complete professional blueprint in PDF format — 16 pages — all dimensions in mm.
What's included in the plan:
🔹 General views: front, back, side, top 🔹 Technical views: post layout, exploded view, parts list 🔹 Complete cutting list (sections, lengths, quantities, volumes) 🔹 Complete hardware list with part numbers 🔹 Labeled view of components 🔹 YouTube links to our step-by-step assembly tutorials
Profile: Enthusiastic DIY builder, standard tools. Some steps require two people.
⚠️ Plan in French — dimensions in millimeters. 🔒 For personal use only — resale prohibited.
📋 Before Starting the Work
Between posts: 24.50 m²
Footprint: 28.13 m²
(including overhangs)
Depending on the size of the property, your PLU zone, and your specific situation, you may need to file a preliminary notice, obtain a building permit, or even hire an architect.
👉 Check with the urban planning office at your city hall before purchasing any equipment.
The plan generated by SimplyWoodPlan will serve as a reference for this discussion.
📐 Blueprint for a flat, 3-post attached pergola
⚠️ Check the height of your windows if you're on an upper floor! The overall rear height is listed below
Wood type: Solid Douglas fir C24 or autoclave-treated pine, class
PROJECT DIMENSIONS (plans)
Length: 7.00 m
Width: 4.00 m
Front post height: 2.50 m
Rear post height: 2.50 m
OVERALL DIMENSIONS (including overhangs)
Overall length: 7.50 m
Overall width: 4.25 m
Overall height at front: 2.71 m
Overall height at rear: 2.71 m
Actual dimensions of the structure: including roof overhangs and roofing thickness (joists + battens).
Complete professional blueprint in PDF format — 16 pages — all dimensions in mm.
What's included in the plan:
🔹 General views: front, back, side, top 🔹 Technical views: post layout, exploded view, parts list 🔹 Complete cutting list (sections, lengths, quantities, volumes) 🔹 Complete hardware list with part numbers 🔹 Labeled view of components 🔹 YouTube links to our step-by-step assembly tutorials
Profile: Enthusiastic DIY builder, standard tools. Some steps require two people.
⚠️ Plan in French — dimensions in millimeters. 🔒 For personal use only — resale prohibited.
📋 Before Starting the Work
Between posts: 28.00 m²
Footprint: 31.88 m²
(including overhangs)
Depending on the size of the property, your PLU zone, and your specific situation, you may need to file a preliminary notice, obtain a building permit, or even hire an architect.
👉 Check with the urban planning office at your city hall before purchasing any equipment.
The plan generated by SimplyWoodPlan will serve as a reference for this discussion.
📐 Construction plan for a flat, 3-post attached pergola:
⚠️ Check the height of your windows if you're on an upper floor! The overall rear height is listed below
Wood type: Solid Douglas fir C24 or autoclave-treated pine, class
PROJECT DIMENSIONS (plans)
Length: 7.00 m
Width: 4.50 m
Front post height: 2.50 m
Rear post height: 2.50 m
OVERALL DIMENSIONS (including overhangs)
Overall length: 7.50 m
Overall width: 4.75 m
Overall front height: 2.71 m
Overall rear height: 2.71 m
Actual dimensions of the structure: including roof overhangs and roofing thickness (joists + battens).
Complete professional blueprint in PDF format — 16 pages — all dimensions in mm.
What's included in the plan:
🔹 General views: front, back, side, top 🔹 Technical views: post layout, exploded view, parts list 🔹 Complete cutting list (sections, lengths, quantities, volumes) 🔹 Complete hardware list with part numbers 🔹 Labeled view of components 🔹 YouTube links to our step-by-step assembly tutorials
Profile: Enthusiastic DIY builder, standard tools. Some steps require two people.
⚠️ Plan in French — dimensions in millimeters. 🔒 For personal use only — resale prohibited.
📋 Before Starting the Work
Between posts: 31.50 m²
Footprint: 35.63 m²
(including overhangs)
Depending on the size of the property, your PLU zone, and your specific situation, you may need to file a preliminary notice, obtain a building permit, or even hire an architect.
👉 Check with the urban planning office at your city hall before purchasing any equipment.
The plan generated by SimplyWoodPlan will serve as a reference for this discussion.
📐 Construction plan for a flat, 3-post attached pergola:
⚠️ Check the height of your windows if you're on an upper floor! The overall rear height is listed below
Wood type: Solid Douglas fir C24 or autoclave-treated pine, class
PROJECT DIMENSIONS (plans)
Length: 8.00 m
Width: 3.50 m
Front post height: 2.50 m
Rear post height: 2.50 m
OVERALL DIMENSIONS (including overhangs)
Overall length: 8.50 m
Overall width: 3.75 m
Overall height (front): 2.69 m
Overall height (rear): 2.69 m
Actual dimensions of the structure: including roof overhangs and roofing thickness (joists + battens).
Complete professional blueprint in PDF format — 16 pages — all dimensions in mm.
What's included in the plan:
🔹 General views: front, back, side, top 🔹 Technical views: post layout, exploded view, parts list 🔹 Complete cutting list (sections, lengths, quantities, volumes) 🔹 Complete hardware list with part numbers 🔹 Labeled view of components 🔹 YouTube links to our step-by-step assembly tutorials
Profile: Enthusiastic DIY builder, standard tools. Some steps require two people.
⚠️ Plan in French — dimensions in millimeters. 🔒 For personal use only — resale prohibited.
📋 Before Starting the Work
Between posts: 28.00 m²
Footprint: 31.88 m²
(including overhangs)
Depending on the size of the property, your PLU zone, and your specific situation, you may need to file a preliminary notice, obtain a building permit, or even hire an architect.
👉 Check with the urban planning office at your city hall before purchasing any equipment.
The plan generated by SimplyWoodPlan will serve as a reference for this discussion.
📐 Construction plan for a flat, 3-post attached pergola:
⚠️ Check the height of your windows if you're on an upper floor! The overall rear height is listed below
Wood type: Solid Douglas fir C24 or autoclave-treated pine, class
PROJECT DIMENSIONS (plans)
Length: 8.00 m
Width: 4.00 m
Front post height: 2.50 m
Rear post height: 2.50 m
OVERALL DIMENSIONS (including overhangs)
Overall length: 8.50 m
Overall width: 4.25 m
Overall height at front: 2.71 m
Overall height at rear: 2.71 m
Actual dimensions of the structure: including roof overhangs and roofing thickness (joists + battens).
Complete professional blueprint in PDF format — 16 pages — all dimensions in mm.
What's included in the plan:
🔹 General views: front, back, side, top 🔹 Technical views: post layout, exploded view, parts list 🔹 Complete cutting list (sections, lengths, quantities, volumes) 🔹 Complete hardware list with part numbers 🔹 Labeled view of components 🔹 YouTube links to our step-by-step assembly tutorials
Profile: Enthusiastic DIY builder, standard tools. Some steps require two people.
⚠️ Plan in French — dimensions in millimeters. 🔒 For personal use only — resale prohibited.
📋 Before Starting the Work
Between posts: 32.00 m²
Footprint: 36.13 m²
(including overhangs)
Depending on the size of the property, your PLU zone, and your specific situation, you may need to file a preliminary notice, obtain a building permit, or even hire an architect.
👉 Check with the urban planning office at your city hall before purchasing any equipment.
The plan generated by SimplyWoodPlan will serve as a reference for this discussion.
📐 Construction plan for a flat, 3-post attached pergola:
⚠️ Check the height of your windows if you're on an upper floor! The overall rear height is listed below
Wood type: Solid Douglas fir C24 or autoclave-treated pine, class
PROJECT DIMENSIONS (plans)
Length: 8.00 m
Width: 4.50 m
Height of front post: 2.50 m
Height of rear post: 2.50 m
OVERALL DIMENSIONS (including overhangs)
Overall length: 8.50 m
Overall width: 4.75 m
Overall front height: 2.71 m
Overall rear height: 2.71 m
Note: The actual dimensions of the structure include the roof overhangs as well as the thickness of the roof deck (joists + battens).
Complete professional blueprint in PDF format — 16 pages — all dimensions in mm.
What's included in the plan:
🔹 General views: front, back, side, top 🔹 Technical views: post layout, exploded view, parts list 🔹 Complete cutting list (sections, lengths, quantities, volumes) 🔹 Complete hardware list with part numbers 🔹 Labeled view of components 🔹 YouTube links to our step-by-step assembly tutorials
Profile: Enthusiastic DIY builder, standard tools. Some steps require two people.
⚠️ Plan in French — dimensions in millimeters. 🔒 For personal use only — resale prohibited.
📋 Before Starting the Work
Between posts: 36.00 m²
Footprint: 40.38 m²
(including overhangs)
Depending on the size of the property, your PLU zone, and your specific situation, you may need to file a preliminary notice, obtain a building permit, or even hire an architect.
👉 Check with the urban planning office at your city hall before purchasing any equipment.
The plan generated by SimplyWoodPlan will serve as a reference for this discussion.
📐 Construction plan for a flat, attached pergola with 3 posts along the length:
⚠️ Check the height of your windows if you're on an upper floor! The overall rear height is listed below
Wood species: a blend of two species: Douglas fir and glued-laminated timber
Load-bearing beams and posts: GL24h laminated Douglas fir
All other components: Douglas C4 or Class 4 autoclave-treated pine
Complete professional blueprint in PDF format — 16 pages — all dimensions in mm.
PROJECT DIMENSIONS (plans)
Length 6.5 m
Width 5.0 m
Front post height 2.5 m
Rear post height 2.5 m
OVERALL DIMENSIONS (including overhangs)
Overall length 7.00 m
Overall width 5.25 m
Overall front height 2.73 m
Overall rear height 2.73 m
Actual dimensions of the structure: including roof overhangs and roofing thickness (joists + battens).
🔹 General views: front, back, side, top 🔹 Technical views: post layout, exploded view, parts list 🔹 Complete cutting list (sections, lengths, quantities, volumes) 🔹 Complete hardware list with part numbers 🔹 Labeled view of components 🔹 YouTube links to our step-by-step assembly tutorials
Profile: Enthusiastic DIY builder, standard tools. Some steps require two people.
⚠️ Plan in French — dimensions in millimeters. 🔒 For personal use only — resale prohibited.
📋 Before Starting the Work
Between posts: 32.50 m²
Footprint: 36.75 m²
(including overhangs)
Depending on the size of the property, your PLU zone, and your specific situation, you may need to file a preliminary notice, obtain a building permit, or even hire an architect.
👉 Check with the urban planning office at your city hall before purchasing any equipment.
The plan generated by SimplyWoodPlan will serve as a reference for this discussion.
📐 Construction plan for a flat, attached pergola with 3 posts along the length:
⚠️ Check the height of your windows if you're on an upper floor! The overall rear height is listed below
Wood species: a blend of two species: Douglas fir and glued-laminated timber
Load-bearing beams and posts: GL24h laminated Douglas fir
All other components: Douglas C4 or Class 4 autoclave-treated pine
Complete professional blueprint in PDF format — 16 pages — all dimensions in mm.
PROJECT DIMENSIONS (plans)
Length: 7.00 m
Width: 5.00 m
Front post height: 2.50 m
Rear post height: 2.50 m
OVERALL DIMENSIONS (including overhangs)
Overall length: 7.50 m
Overall width: 5.25 m
Overall height at front: 2.73 m
Overall height at rear: 2.73 m
Actual dimensions of the structure: including roof overhangs and roofing thickness (joists + battens).
🔹 General views: front, back, side, top 🔹 Technical views: post layout, exploded view, parts list 🔹 Complete cutting list (sections, lengths, quantities, volumes) 🔹 Complete hardware list with part numbers 🔹 Labeled view of components 🔹 YouTube links to our step-by-step assembly tutorials
Profile: Enthusiastic DIY builder, standard tools. Some steps require two people.
⚠️ Plan in French — dimensions in millimeters. 🔒 For personal use only — resale prohibited.
📋 Before Starting the Work
Between posts: 35.00 m²
Footprint: 39.38 m²
(including overhangs)
Depending on the size of the property, your PLU zone, and your specific situation, you may need to file a preliminary notice, obtain a building permit, or even hire an architect.
👉 Check with the urban planning office at your city hall before purchasing any equipment.
The plan generated by SimplyWoodPlan will serve as a reference for this discussion.
📐 Construction plan for a flat, attached pergola with 3 posts along the length:
⚠️ Check the height of your windows if you're on an upper floor! The overall rear height is listed below
Wood species: a blend of two species: Douglas fir and glued laminated timber
Load-bearing beams and posts: GL24h laminated Douglas fir
All other components: Douglas C4 or Class 4 autoclave-treated pine
Complete professional blueprint in PDF format — 16 pages — all dimensions in mm.
PROJECT DIMENSIONS (plans)
Length: 8.00 m
Width: 5.00 m
Front post height: 2.50 m
Rear post height: 2.50 m
OVERALL DIMENSIONS (including overhangs)
Overall length: 8.50 m
Overall width: 5.25 m
Overall front height: 2.73 m
Overall rear height: 2.73 m
Actual dimensions of the structure: including roof overhangs and roofing thickness (joists + battens).
🔹 General views: front, back, side, top 🔹 Technical views: post layout, exploded view, parts list 🔹 Complete cutting list (sections, lengths, quantities, volumes) 🔹 Complete hardware list with part numbers 🔹 Labeled view of components 🔹 YouTube links to our step-by-step assembly tutorials
Profile: Enthusiastic DIY builder, standard tools. Some steps require two people.
⚠️ Plan in French — dimensions in millimeters. 🔒 For personal use only — resale prohibited.
📋 Before Starting the Work
Between posts: 40.00 m²
Footprint: 44.63 m²
(including overhangs)
Depending on the size of the property, your PLU zone, and your specific situation, you may need to file a preliminary notice, obtain a building permit, or even hire an architect.
👉 Check with the urban planning office at your city hall before purchasing any equipment.
The plan generated by SimplyWoodPlan will serve as a reference for this discussion.
📐 Construction plan for a flat, attached pergola with 3 posts along the length:
⚠️ Check the height of your windows if you're on an upper floor! The overall rear height is listed below
Wood species: a blend of two species: Douglas fir and glued laminated timber
Load-bearing beams and posts: GL24h laminated Douglas fir
All other components: Douglas C4 or Class 4 autoclave-treated pine
Complete professional blueprint in PDF format — 16 pages — all dimensions in mm.
PROJECT DIMENSIONS (plans)
Length: 8.00 m
Width: 6.00 m
Height of front post: 2.50 m
Height of rear post: 2.50 m
OVERALL DIMENSIONS (including overhangs)
Overall length: 8.50 m
Overall width: 6.25 m
Overall front height: 2.77 m
Overall rear height: 2.77 m
Actual dimensions of the structure: including roof overhangs and roofing thickness (joists + battens).
🔹 General views: front, back, side, top 🔹 Technical views: post layout, exploded view, parts list 🔹 Complete cutting list (sections, lengths, quantities, volumes) 🔹 Complete hardware list with part numbers 🔹 Labeled view of components 🔹 YouTube links to our step-by-step assembly tutorials
Profile: Enthusiastic DIY builder, standard tools. Some steps require two people.
⚠️ Plan in French — dimensions in millimeters. 🔒 For personal use only — resale prohibited.
📋 Before Starting the Work
Between posts: 48.00 m²
Footprint: 53.13 m²
(including overhangs)
Depending on the size of the property, your PLU zone, and your specific situation, you may need to file a preliminary notice, obtain a building permit, or even hire an architect.
👉 Check with the urban planning office at your city hall before purchasing any equipment.
The plan generated by SimplyWoodPlan will serve as a reference for this discussion.
📐 Construction Plan for a Flat, 3-Post Attached Pergola / Length
⚠️ Check the height of your windows if you're on an upper floor! The overall rear height is listed below
Wood type: Solid Douglas fir C24 or autoclave-treated pine, class
PROJECT DIMENSIONS (plans)
Length: 6.5 m
Width: 3.0 m
Front post height: 2.5 m
Rear post height: 2.5 m
OVERALL DIMENSIONS (including overhangs)
Overall length: 7.00 m
Overall width: 3.25 m
Overall front height: 2.69 m
Overall rear height: 2.69 m
Actual dimensions of the structure: including roof overhangs and roofing thickness (joists + battens).
Complete professional blueprint in PDF format — 16 pages — all dimensions in mm.
What's included in the plan:
🔹 General views: front, back, side, top 🔹 Technical views: post layout, exploded view, parts list 🔹 Complete cutting list (sections, lengths, quantities, volumes) 🔹 Complete hardware list with part numbers 🔹 Labeled view of components 🔹 YouTube links to our step-by-step assembly tutorials
Profile: Enthusiastic DIY builder, standard tools. Some steps require two people.
⚠️ Plan in French — dimensions in millimeters. 🔒 For personal use only — resale prohibited.
📋 Before Starting the Work
Between posts: 19.50 m²
Footprint: 22.75 m²
(including overhangs)
Depending on the size of the property, your PLU zone, and your specific situation, you may need to file a preliminary notice, obtain a building permit, or even hire an architect.
👉 Check with the urban planning office at your city hall before purchasing any equipment.
The plan generated by SimplyWoodPlan will serve as a reference for this discussion.