Home Delivery
  • Local deliveries (HX, HD, LS, YO, BD, WF, & HU) £20–£30 for orders under £1000, and free over £1000.
  • Other UK postcodes – A flat fee of £48 inc VAT applies when you purchase internal doors – Enjoy free shipping on orders above £1000*
  • For smaller items or ironmongery, a flat rate of £15 inc VAT applies.

*Please see our Delivery Charges page for full details and exceptions.

COLLECTION
  • Prefer to pick up? Collect your items for FREE from our office or warehouse. Call us to find your nearest collection point and arrange a suitable day.

Lead Times

  • In-stock internal/external doors are delivered within 3-5 working days*
  • Ironmongery 1-2 working days
  • Need it fast? We offer next day delivery – get in touch for a price. Order before 10:30am for next working day delivery on most doors. *Charges and lead times vary by postcode and supplier, so please contact us for a quote.

Backorder Policy

  • If any part of your order is out of stock/on backorder for more than 2 weeks, we can offer to split deliveries at no extra cost.

For full delivery details, visit our Delivery Information page.

Thermal Rated Door Thermawood Grey Primed Berkshire

Engineered Construction
Primed
Solid Core
10 Year Guarantee

£484.00 inc. VAT
£403.33 ex. VAT

in stock

updated daily – subject to change

Delivery Lead Time: 3-5 working days

Delivery Lead Time: 1-2 working days

Delivery Lead Time: made to order 3-4 weeks

Delivery Lead Time: 1-2 working days

Delivery Lead Time: 3-5 working days Colour Finishes: Approx. 4 weeks

Thermawood Grey Primed Berkshire External Door – a modern, energy-efficient thermal rated exterior door built to perform. Crafted with aluminium sheet facing for durability and low U-values (1.32–1.36 W/m²K), it’s designed to keep your home warm, stylish, and secure all year round.

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Modern Design Meets Thermal Efficiency

The Thermawood Grey Primed Berkshire is part of Doorphoria’s latest range of External Thermal Rated Doors, combining contemporary style with excellent energy performance. Designed to suit both modern and traditional homes, this 44mm thick door delivers exceptional insulation with low U-values between 1.32–1.36 W/(m².K) — helping you reduce heat loss and energy bills without compromising aesthetics.

Thermal Rated Door – Engineered for the British Climate

Built using a unique aluminium sheet facing, the Berkshire offers superior resistance against moisture and harsh weather. Unlike standard timber doors, it doesn’t require a porch, canopy, or recess to maintain durability — making it a smart choice for exposed properties and busy households.

The door can also be trimmed by up to 25mm on all edges, giving installers and homeowners flexibility during fitting, especially in renovation or new-build projects.

Stylish, Ready-to-Paint Finish

Supplied grey primed as standard, the Berkshire is ready for your personal touch — whether you prefer a classic black finish or a modern neutral shade. The smooth primed surface ensures a flawless paint application and long-lasting finish.

Sustainable, Certified & Guaranteed

Every Thermawood door is FSC certified, manufactured from responsibly sourced materials and tested to European building standards. With lightweight construction, no stile or rail connection, and a 10-year manufacturer’s guarantee, you’re investing in long-term quality and performance.

External Thermal Rated Door in Halifax, Huddersfield & the North

Based in Halifax, West Yorkshire, Doorphoria supplies External Thermal Rated Doors across Huddersfield, Leeds, Manchester, Liverpool, and the wider North of England — with UK-wide delivery available.

If you’re searching for “external doors near me” or “thermal rated exterior doors Halifax”, Doorphoria delivers high-quality, energy-efficient solutions designed for the British home.

We also stock External Oak Doors, Composite Front Doors with Side Panels, and Glazed External Doors, giving you style options to match every property type.

💡 Key Features

  • Thermally efficient – U-values 1.32–1.36 W/(m².K)
  • Aluminium sheet facing for superior durability
  • No porch, canopy, or recess required
  • Trimmable by up to 25mm on all edges
  • Grey primed finish – ready to paint
  • FSC certified and tested to EU standards
  • Lightweight and easy to install
  • 10-year manufacturer guarantee
Weight: 40 kg
SKU: THERMBERK
Home Delivery
  • Local deliveries (HX, HD, LS, YO, BD, WF, & HU) £20–£30 for orders under £1000, and free over £1000.
  • Other UK postcodes – A flat fee of £48 inc VAT applies when you purchase internal doors – Enjoy free shipping on orders above £1000*
  • For smaller items or ironmongery, a flat rate of £15 inc VAT applies.

*Please see our Delivery Charges page for full details and exceptions.

COLLECTION
  • Prefer to pick up? Collect your items for FREE from our office or warehouse. Call us to find your nearest collection point and arrange a suitable day.

Lead Times

  • In-stock internal/external doors are delivered within 3-5 working days*
  • Ironmongery 1-2 working days
  • Need it fast? We offer next day delivery – get in touch for a price. Order before 10:30am for next working day delivery on most doors. *Charges and lead times vary by postcode and supplier, so please contact us for a quote.

Backorder Policy

  • If any part of your order is out of stock/on backorder for more than 2 weeks, we can offer to split deliveries at no extra cost.

For full delivery details, visit our Delivery Information page.

  • If any part of your order is out of stock/on backorder for more than 2 weeks, we can offer to split deliveries at no extra cost.

For full delivery details, visit our Delivery Information page.

FAQs

Q1: What size options are available?
This door is available in 1981 x 838mm and 2032 x 813mm, both 44mm thick.

Q2: Can the door be trimmed?
Yes — the Berkshire can be trimmed by up to 25mm on all edges, ideal for custom fitting.

Q3: Is the door ready to paint?
Yes, it’s supplied grey primed, ready for your chosen finish.

Q4: Do I need a porch or canopy for protection?
No — the aluminium sheet facing provides enhanced durability against the elements, even when fully exposed.

Q5: Is this door FSC certified?
Yes, it’s FSC certified and tested to European standards.

Q6: What guarantee is included?
All Thermawood doors come with a 10-year manufacturer’s guarantee.

Q7: Where do you deliver?
We offer UK-wide delivery, with fast service to Halifax, Huddersfield, Leeds, Manchester, and Liverpool.

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FAQ’s

Frequently asked questions and answers. View here.

Email

Email us anytime for more detailed enquiries. sales@doorphoria.co.uk

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Call

Monday – Friday 9am until 5pm Saturday 9am until 12pm 01484 218928