Here’s a list of some leading national suppliers of wood knobs in the United Kingdom:

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Leading Suppliers of Wood Knobs in the UK

1. Dunsire
   Specializes in wooden furniture knobs and other hardware. Offers a variety of designs suitable for both traditional and modern furniture.

2. B&Q
   A well-known retailer that supplies various home improvement products, including wood knobs for cabinetry and furniture.

3. Homebase
   Offers a selection of wood knobs as part of their home improvement and décor range.

4. IKEA
   Although primarily known for flat-pack furniture, IKEA offers unique wood knobs compatible with their products.

5. Screwfix
   A supplier of DIY tools and materials, which includes a range of wood knobs for various applications.

6. Timber Merchants
   Various local timber merchants across the UK sell custom wood knobs along with a variety of woodworking supplies.

7. The Antique Knob Company
   Focuses on vintage and antique-style knobs, offering a selection of quality wooden products.

8. House of Antique Hardware
   While specializing in authentic reproductions, they offer a range of wood knobs alongside their antique hardware products.

9. Richards & Sons
   Suppliers of bespoke woodworking and furniture hardware, including custom wood knobs.

10. Knob & Bumpers
    A specialist supplier of knobs and bumpers, offering a wide range of wooden options. ```

This list includes a mix of retailers and specialty suppliers known for offering wood knobs in the UK. Be sure to explore their specific offerings to find the exact products and styles you are looking for!