Single Brick Suitable Letterbox Rear Access W3 4 XL

Through Wall Letterbox Locking Weatherproof for Single Brick Walls - W3-4 XL

Black RAL 9005 Matt Finish
£153.99 GBP
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Single Brick Suitable Letterbox Rear Access W3 4 XL
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Through Wall Letterbox Locking Weatherproof for Single Brick Walls - W3-4 XL

£153.99 GBP
Colour
Dimensions Features Description Delivery
Gallery & FAQs

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Dimensions

Mail Chute Dimensions

  • Height: 108mm
  • Width: 373mm
  • Depth: 135mm

Mail Box Dimensions

  • Height: 400mm
  • Width: 373mm
  • Depth: 142mm
  • Letterplate Dimensions: 108mm x 373mm
  • Dimensions of Letter Slot: 30mm x 340mm
  • Trim Dimensions: 150mm x 415mm
  • Correspondence Suitable: A4
  • Capacity: 15.5L
  • Weight: 5.6kg

Frequently Asked Questions

Installation is straightforward and takes around 30 minutes. The letterbox comes with all fixings and a clear step-by-step guide. Basic DIY skills and a drill are all you need.

Yes, completely. It's built from powder-coated steel with sealed edges to keep your post dry in all weather conditions. Tested to withstand heavy rain and coastal environments.

Yes. Each letterbox includes a secure cam lock with two keys. It's designed to protect your mail and parcels from theft.

Absolutely. The internal dimensions are designed to hold A4 envelopes flat, along with small parcels and magazines.

It's made from galvanised steel with a durable powder-coated finish. Built to last for years, even in harsh UK weather.

Orders are dispatched within 1–2 working days. Standard UK delivery takes 3–5 working days. Express options are available at checkout.

Yes. We offer a 30-day return policy. If you're not happy, simply return it in its original condition for a full refund.

Yes, all our letterboxes come with a 2-year manufacturer's warranty covering defects in materials and workmanship.

Yes. Personalisation options are available during checkout. You can add your house number, name, or both in a choice of finishes.

Very little. Just wipe it down occasionally with a damp cloth to keep it looking fresh. The powder coating protects against rust and fading.

Product Description

The Through the Wall Rear Access Letterbox - W3-4 XL holds your post safely and securely, ideal if you have pets, and don’t want them being disturbed by post being delivered throughout the day. This letterbox can hold post up to A4 in size, and the forward opening access panel ensures mail can easily be retrieved.

This through the wall letterbox also includes a smart finish fitting trim designed to complete the letterbox look providing a flush to the wall letterbox.

The W3 range is thermally powder coated to protect against rust. It is available in 4 colours, black, white, copper and dark grey. The dark grey powder coating finish has a smooth matt appearance. The black, copper and white powder coating has a slightly textured gloss finish.

If you are looking for a through the wall letterbox that has a larger capacity, you may be interested in the Stamford. This is available in many mail chute depths and is custom made.

View our complete range of through the wall letterboxes here,

or you can view more of our rear access post boxes here.

Single Brick Suitable Letterbox Rear Access W3 4 XL
  • Colours: Dark Grey RAL7016, Black
  • A4 Format Suitable
  • Material: Galvanised steel
  • Thermally powder coated for enhanced rust resistance
  • Secure cylinder lock (Euro-Locks-Lowe & Fletcher)
  • Keys: 2 supplied
  • Warranty: 2 year
  • Suitable for Single Brick Walls

Why Buy From Letterbox4you

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Delivery & Returns

Everything you need to know about our shipping and returns policy

Free Shipping

Free standard shipping. Express delivery available at checkout.

Easy Returns

30-day return policy. Items must be unused and in original packaging.

Customer Support

Our team is available Monday to Friday, 9:30am-5pm GMT to help with any questions.
Shipping is calculated at checkout based on your address and order weight/size. Free UK mainland standard delivery typically takes 2–3 business days, with next-day options available for eligible orders. Heavy/bulky items may be shipped via pallet (kerbside delivery). Ireland orders are delivered with DPD (typically 3–5 business days). Tracking is provided once dispatched.Our current Dispatch and delivery terms can be viewed here

Get in Touch

Have questions about our letterboxes or need help choosing the perfect one for your home? We're here to help! Send us a message and we'll get back to you as soon as possible.

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Tell us about your project or ask any questions

@letterbox4you_uk

🏆Providing Quality Letterbox & Parcel Box Solutions

⭐️Platinum Customer Service Award

👍Changing The World One Letter Flap At A Time

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