Frequently Asked Questions

What's included in the kit?

The Frame Components:

• Pre-jointed oak frame using our standard 175mm x 175mm oak posts.
• Eaves beams & tie beams.
• Oak knee braces from 175mm X 60mm.
• Seasoned oak draw pegs. 

ANCILLARY TIMBERS (Vac Vac pressure treated softwood):

• Wall studs.
• Weatherboarding.
• Diagonal bracing.
• Roofing rafters.
• Ridge board.
• Roof bracing. 


• Any joinery, staddle stones & ironmongery items we have included in our quotations.
• A full set of working drawings for foundations, brickwork, fixing & constructional detailing. 
• A structural report if building regulations are required. 

What isn't included in the kit?

Unless we have quoted for them, the following items aren’t included:

• Site-work labour for groundworks & foundations.
• Base & dwarf walls.
• Erection of frame.
• Fitting of the roof covering.
• Materials for the foundations, base, & dwarf walls. 
• Roofing membrane, battens & roof covering (slates, tiles or shingles)
• Fixings, lead, dpc, insulation, plasterboard, electrical goods, plumbing goods or decorating materials.
• Glass.
• Guttering. 
• Staddle stones.
• Ironmongery. 

We can advise recommended suppliers & products if required. 

Price Guidance


Price Guidance can be found here -


Will I need groundworks or footings?

Yes. Because the buildings are so heavy they need to be put on to a substantial base. You can choose from either a strip or a raft foundation. 

What type of foundations are required for garages & outbuildings?

In most instances you can opt for either a strip or raft foundation. Typical strip foundations are around 1m deep. A typical raft foundation is roughly 200mm deep with steel reinforcement within the concrete raft. Our drawings detail the typical foundations you have chosen. Your local building inspector will confirm the final foundation design (if building regulations are required.)  


What type of foundations are required for gazebos & pavilions?

Assuming that no building regulations are required and no abnormal ground conditions apply, in most instances a 150mm concrete raft set over 150mm of compacted stone such as Dept. of Transport (DOT) Type 1 - 40mm Sub Base will suffice. If the ground is soft, more stone and a deeper raft may be required. Your builder will be able to advise. 

Do the buildings sit on a brick wall?

YES. Most of our annexes, garages & outbuildings will sit on brick walls. We generally detail three courses of bricks below floor level (this avoids concrete footings showing in the event that the surrounding ground is uneven) and three courses of bricks above floor level. Each course will be two bricks wide with no cavities, unless building regulations dictate otherwise. However some posts (i.e between pairs of garage doors and log stores) will need to sit on staddle stones. 


What type of staddle stones do I need?

Staddle stones fitted between garage doors on garages & outbuildings will be 175mm square (the same size as the oak post) and 225mm high (the same height as the brick walls).

Staddle stones for gazebo’s and log stores can be chamfered. See the staddle stones we offer.

Where do Radnor Oak deliver?

Radnor oak deliver oak garage kits & oak outbuildings frames nationwide - Aberdeenshire, Yorkshire, Suffolk, Berkshire & Cornwall to name a few. 

Request a quote online and we will include delivery costs in the postcode on your quote form.

What roof covering can I use?

You can put any modern or traditional roof covering on our buildings, so long as the weight does not exceed 70KG per square metre. Generally, this only cancels out the very heavy stone or concrete tiles, however if this is something you are looking to use we may be able to adapt the design to accommodate the weight. 

Do I need to treat the structural timber components in my building?

NO. Oak is naturally durable and has ‘stood the test of time’ untreated for centuries. The ancillary softwood components we supply are Vac Vac treated. There is no need for you to add any additional weatherproofing to the structural components.

When left untreated the building will ‘weather’ over time. You can oil or stain your oak frame and ancillary components should you prefer for aesthetical reasons, however we like to leave everything natural. 

Do I have to treat the doors, windows & stairs?

YES. There is a ‘base-coat’ applied to our joinery products before they leave the workshop which offers some initial protection, however your joinery items will need to be coated with a weatherproofing sealant of your choice as soon as you receive delivery.

We recommend that you protect your joinery products with a high quality paint or sealant exactly as you would for the joinery and items in your house. 

Our joinery is very high quality and deserves some TLC.

Can you do site visits?

Site visits by Radnor Oak are dependent on location

We offer the full package from start to finish within roughly one-hour from our HQ in Presteigne.

For projects further a field we can put you in touch with an 'Approved Contractor' who can assist from site visit to project completion. See more here

Do you have a showsite?

YES. It is located a few minutes up the road from our main office and workshop. There are several examples of oak frames including Norton, Annexe, Kinsham and Large Gazebo. 

Call us on 01544 260727 to arrange your appointment and a member of our team will be more than happy to show you around (please note that we operate the visits only by appointment as this is the home of our Managing Directors).

Can you send me some drawings for my builder?

YES. On receipt of a quotation request for our standard products, we prepare a detailed presentation to include visual images and dimensions of your specific building. This is usually sufficient information for a builder to offer you an estimate of the site works. Once we have received an order from a customer we prepare a detailed set of technical and working drawings for use by your builder. If your builder is concerned about what they will need to include in their estimate, please do tell them to give us a call so that we can talk them through the expected costs of your project. 

Do you supply structural calculations?

YES. We send our structural engineer’s report for your project if building regulations are required. Our report covers the oak frame and ancillary timber requirements.  

Do I need planning permission?

Erecting a new building which is less than 4m in total height; such as our Stapleton, Kinsham, Walton, Lucton, Byton Low Ridge, Gazebos and Pavilions, may not require planning permission if other permitted development criteria is met. 

Erecting new buildings which are higher than 4m in total height will generally require planning permission. 

Replacing an existing building may not require planning permission however it is advisable to check with the local authority.  

Listed property, AONB, National Parks, The Broads.

If a property is listed, is in a Conservation Area, an Area of Outstanding Natural Beauty, a National Park or the Broads erecting a new building may require planning permission. 

We would recommend talking to your local Planning authority for initial advice - Planning Portal