Larch Rough Sawn Pergola - Flat & Open Roof

A strong, minimalist pergola designed for modern outdoor living with a natural edge. Built from rough sawn larch and engineered with a flat, open roof, this pergola creates a clean, architectural frame that works beautifully in both contemporary and traditional gardens.

Supplied as a frame-only structure, it’s ideal for customers who want flexibility—leave it open for light and airflow, or personalise it with climbing plants, fabric, or optional roofing.

Why this flat roof pergola works so well

• Rough sawn larch timber
  Offers a bold, natural texture with excellent outdoor durability and a more rustic, character-led finish.

• Flat & open roof design
  Creates a clean, rectangular structure that allows sunlight through while still providing partial shade below.

• Heavy-duty 6" x 6" posts
  Delivers outstanding strength and stability, giving the pergola a solid, long-lasting feel.

• Strong 4" x 2" roof rafters & beams
  Ensures structural rigidity while maintaining an open, uncluttered appearance overhead.

• Pressure treated timber
  Protects against rot, decay, and insect attack, helping extend the lifespan of the pergola outdoors.

• Supplied in kit form
  Designed for straightforward installation with all fixings and clear instructions included.

• Optional roofing compatibility
  Supplied as a frame only, allowing you to add roofing later if required or keep the open-roof aesthetic.

Designed for flexibility & garden styling

This flat roof pergola is intentionally open, making it perfect for:

• Garden seating or dining areas

• Walkways and garden zoning

• Plant-covered pergolas with climbers or vines

• Minimalist patios and modern landscapes

The flat roof frame creates visual definition without blocking light, while the rough sawn timber pairs beautifully with greenery wrapped around the structure.

Important information

This product is supplied as a frame only and does not include roofing materials.
The flat roof design creates an even, rectangular top and is intended to remain open unless optional roofing is added separately.

Specifications overview

• Available depths (back to front): 1.8m (6ft) up to 4.2m (14ft)

• Available widths (front): 1.8m (6ft) up to 4.2m (14ft)

• Post size: 145mm x 145mm (6" x 6")

• Roof rafters: 95mm x 45mm (4" x 2")

• Roof ring beam: 145mm x 45mm

• Collars: 95mm x 45mm

• Post height: 2320mm

• Overall height: 2320mm

• Front & rear overhang: 300mm

• Side overhang: 300mm

• Roof type: Open / Flat

• Timber finish: Rough sawn larch

• Fixings: All fixings included*

• Instructions: Full installation manual supplied

• Weight: 240kg

Bespoke sizes and custom layouts are available on request.

Frequently Asked Questions

Are the components pressure treated?

Yes. All timber components of the pergola are pressure treated to help protect against rot, decay, and insect attack. Roofing materials may vary depending on the option selected.

Do you make bespoke pergolas?

Yes, we do. Alongside our standard sizes, we can manufacture fully bespoke pergolas to suit your exact measurements and layout. 

Installation FAQs

Does the pergola arrive fully assembled?

No. The pergola is supplied in kit form and does not arrive fully assembled. We provide clear, in-depth installation manuals to guide you through the process, making it suitable for both confident DIY installers and professional fitters. Manuals can be found within the specification section of each product listing.

Are fixings included?

Yes. All fixings required for installation are included with your pergola kit.

Aftercare & Maintenance FAQs

Can I paint my pergola?

Yes. You may paint your pergola using water-based paints only. Ensure the timber is as dry as possible before painting, and we recommend applying a UV-protective treatment beforehand for the best long-term finish.

What maintenance is required?

To keep your pergola in excellent condition, we recommend:

• Treating the timber at least every 6 months with Osmo Oil

• Regularly checking joints and fixings

• Removing any built-up dirt, debris, or organic matter

How long will the pergola last?

With correct installation and routine maintenance, our pergolas typically last between 10 and 20 years, offering excellent durability and long-term value.