Top 9 Intumescent Letter Box UK – Door Letterboxes

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1. Firestop

30 Minute Fire Rating, Satin Anodised Aluminium c/w Black Frame, Firestop FS303 10" Defender Fire Rated Letterbox

Firestop - Fully Sealed Backplate. Telescopic sleeve to Suit 40-80mm Doors. Suitable for FD30 Fire Doors. Integral Sound-Dampening. For internal & External Use. Acoustic tested achieving 32 decibel Rw.
ManufacturerFirestop Manufacturing LTD
Height7 cm (2.76 Inches)
Length27.2 cm (10.71 Inches)
Width7 cm (2.76 Inches)
Part NumberFS303

2. Buckingham

Pre-Assembled, Basket, Post, Buckingham 30051 Front Door Cage, White, Letter Box, Guard, Mail Catcher

Buckingham - Simple to fix to your front door. Fixings Included. White pvc coated wire metal rigid construction. Size - height: 40 cm, width: 35. 5 cm, depth: 17. 5 cm. Protect your mail from pets and wet floors. This product is Not suitable for letterbox opening over 30 cm wide. Lift up flap for easy access to post. Close mesh at front of cage for less risk of damage to pets teeth.
ManufacturerB & I International Ltd
Height40 cm (15.75 Inches)
Length35.5 cm (13.98 Inches)
Weight1.1 kg (2.43 Pounds)
Width17.5 cm (6.89 Inches)
Part Number30051
WarrantyNo guarantee.

3. AOK

12" Polished Chrome Letterplate Premium Heavy Duty Sprung Letter Box UPVC Wood Door

AOK - Suitable for mid-rails and composite doors 38-70mm thick. Length 309mm x 76mm height. Contains external weatherseal, internal draught seal and nylon brush seal. Fully spring loaded external flap opens up to 180°.

4. Kenrick

Chrome, Kenrick UPVC Door Letterbox Letterplate, 80mm Letter box Letter Plate Chrome, Midrail Door 40mm, 10" White, Gold

Kenrick - Internal dimensions: sleeve size - 225mm x 40mm width min size hole in door that the letterbox will fit. 180° opening on both sides means that flaps cannot be snapped easily when opening. Suitable for uPVC & Timber Door. Rubber weather seal fits to the outside of your door to prevent weather ingress. External dimensions: 272mm in length x 70mm width - See Photos for size specification.

5. greenteQ

12" Satin Chrome Omega Letterplate Premium Heavy Duty Sprung Letter Box UPVC Wood Door

greenteQ - Weather seal gasket and nylon brushes. Durable long-lasting all metal frame construction. Opens to 180° with cushioned closing action. Supplied with M6 thru-fix screws. Suitable for mid-rails and composite doors 40-80mm thick.
ManufacturerVBH (GB) Ltd
Part Number2QBX


Letter Box Cover with Brush & Flap for Internal OR External Use, White Finish

STORMGUARD - Dimension of product : 047 x 3. 03 x 11. 54 inches 29. 3x7. 4x1. 3cm. Product weight: 044 pounds 02 kg. Product material: aluminium.
Height1.3 cm (0.51 Inches)
Length7.4 cm (2.91 Inches)
Width29.3 cm (11.54 Inches)
Part Number06SG0310000W

7. Avocet

Avocet LPAFCH Affinity 12" Polished Chrome Letterplate Premium Heavy Duty Sprung Letter box

Avocet - All metal flaps and matching surround to standard BS1004A. Suitable for mid-rails and composite doors 38-70mm thick. Fully spring loaded external flap opens up to 180°. Contains external weatherseal, internal draught seal and nylon brush seal. Supplied with four screws in two different lengths.
Height35.4 cm (13.94 Inches)
Length9 cm (3.54 Inches)
Weight1.03 kg (2.28 Pounds)
Width10 cm (3.94 Inches)
Part NumberLPAFCH

8. Yale

Gold Finish, Fits 38-78 mm Doors, Yale YLP44-06/34-CP Letterplate/Letterbox, 300 mm

Yale - Dimensions and door size: the length of the letterplate is 12'' 300mm, with a 147° opening and fits doors with 38-78mm thickness.

Weather resistance: the letterbox has a UV stable finish meaning harmful UV rays won't fade the colour over time and is corrosion resistant. Energy efficient: external foam seal increases weather protection and internal brushes reduce air filtration and prevent heat loss. Door type and colour: yale ylp44-06/34-cp letterplate in Gold is suitable for PVCu and Composite doors and ensures clear access for posting mail. Easy to fit: the adjustable telescopic sleeves and the supplied fixings ensure a quick fit.
Height34.11 cm (13.43 Inches)
Length9.19 cm (3.62 Inches)
Weight0.4 kg (0.88 Pounds)
Width6.6 cm (2.6 Inches)
Part NumberYALLP440634C
Warranty2 years.


335mm x 75mm, STORMGUARD 06SR0170000A Internal Metal Letter Box Brush Cover-Aluminium Draught Excluder Use-Silver Finish

STORMGUARD - Rust and tarnish free wipe clean finish. Quick and easy to fit, with pre-drilled fixing holes. Prevents draughts coming through the letter box with draught proof brushes. Fixings included.
Height0.39 cm (0.15 Inches)
Length33.5 cm (13.19 Inches)
Weight0.1 kg (0.22 Pounds)
Width7.5 cm (2.95 Inches)
Part Number06SR0170000A