If you’re planning a green oak framing project – a pergola, gazebo, garden room or structural outbuilding – one of the first questions is almost always the same: what is the Green Oak Framing Cost?

It’s a fair question, and one that too few builders answer directly. This guide gives you honest, practical cost information based on real projects completed by Crystal Woods across Devon and the Southwest, so you can plan your budget with confidence before you make a single call.

Before we get into numbers, it’s worth understanding what you’re paying for – because green oak framing isn’t a cheap option, and it shouldn’t be.

A green oak pergola is the most popular starting point for most homeowners – it transforms an outdoor space, requires planning permission in many cases (your builder will advise), and can be designed to suit almost any size or style.

The wide range reflects the enormous variation in size and specification. A simple two-post, single-beam pergola attached to a house on a modest footprint sits at the lower end. A freestanding six-post design with cross-beam detailing and significant span will sit considerably higher.

A gazebo is a more ambitious project – a freestanding enclosed or semi-enclosed structure, typically hexagonal or square, with a roof structure. It’s a proper destination in a garden: somewhere to sit in the rain, host an outdoor dinner, or simply have a space that feels entirely separate from the house.

Again, the range is significant. A smaller hexagonal gazebo with simple roofline and open sides is achievable at the lower end. A substantial square structure with a complex hip or crown-post roof, integrated seating or integrated planters, and a larger footprint sits at the higher end.

For larger buildings – garages, car ports, garden offices, barns or home extensions – green oak framing becomes a structural element rather than a purely decorative one. These projects are priced on a project-by-project basis, but to give you a sense of scale:

When Llewie provides a quote for a green oak project, it covers:

Without question – for the right project and the right client, yes. A well-built green oak structure adds genuine value to a property. It ages gracefully, it doesn’t rot the way softwood does, and it carries a character that composite or treated timber structures simply don’t have. We’ve had customers come back years later to show us how their pergola or gazebo has aged – the silver-grey patina of weathered oak is one of those things that only gets better with time.

The best way to get a clear cost is a site visit. Llewie covers Devon and the wider Southwest and will come to you, look at the space, discuss what you have in mind, and give you a detailed written quote. There’s no charge for this, and no obligation.