Best Large Letterbox Draft Excluder Deals Online in the UK (10 Deals Found)

Last Updated - 01/02/2026 Sort By:

Best Choice
Newthinking

New
Newthinking Internal Letter Box Brush Cover, White Letterbox Cover Draught Excluder with Brush, PVC Letter Box Draft Exc
Enhanced Durability: Crafted from premium, weather-resistant materials, this internal letterbox brush cover ensures long

£9.99 £10.99
Best Value
Exitex

New
Exitex Internal Letterbox Draught Excluder with Flap, Aluminium Plate with Bristle Seal, Spring Closing Flap, Reduces Dr
ENERGY SAVING – Designed to reduce heat loss, helping keep your home warmer and lowering heating bills

£13.49 £15.99
ltteea

New
11.5 Inch Internal Letter Box Draught Excluder Metal Letter Box Flap Door Letterbox Flap Cover with Brush & Flap Gold Br
Advanced Draft Protection: This internal letterbox draught excluder features a sturdy metal frame and PVC brush seal to

£9.49
ZAVIA

New
Internal Letterbox Draught Excluder 13.5 Inch (34.2cm) PVC Draught Letter Plate Seal Letter Box Flap - Prevents Draughts
Package and size: The size of this internal letter box draught excluder is 342mm x 80mm x 11mm; Helps reduce energy bill

£10.99
STORMGUARD

New
Letter Box Cover Draught Excluder For Internal Use - Gold Finish
Prevents draughts coming through the letter box with draught proof brushes

£12.89
STORMGUARD

Used
Letter Box Cover Draught Excluder For Internal Use - Gold Finish
Prevents draughts coming through the letter box with draught proof brushes

£7.55
KOLAKO

New
Door Letter Box Flap, 11.5’’ Letter Box Cover with Brush & Flap for Internal or External, Metal Letterbox Draught Exclud
Ultimate Draught Protection: This letter box cover with brush features a dual-seal design combining a metal letterbox fl

£11.99
Annmore

New
Letter Box Catcher, Black Post Catcher for Front Door, Garage Doors, Mail Catcher for Letterboxe Cages Indoor, Self-Adhe
LARGE SIZE: Letterbox catcher size: 40 cm length x 40 cm height. Opening size for internal letter plate: 34 cm length x

£22.99
ZAVIA

New
Internal Letterbox Draught Excluder 11.5 Inch (29.3cm) Metal Draught Letter Plate Seal Letter Box Flap - Prevents Draugh
COMPATIBILITY CHECK: To ensure compatibility, please ensure your existing letter plate is in line with the following poi

£19.99
ZAVIA

Used
Internal Letterbox Draught Excluder 11.5 Inch (29.3cm) Metal Draught Letter Plate Seal Letter Box Flap - Prevents Draugh
COMPATIBILITY CHECK: To ensure compatibility, please ensure your existing letter plate is in line with the following poi

£17.00

10 Large Letterbox Draft Excluder deals are available from: Amazon stores, starting from £7.55.
The biggest discount we found is 16% on Exitex Internal Letterbox Draught Excluder with Flap, Aluminium Plate with Bristle Seal, Spring Closing Flap, Reduces Draughts & Dust, Saves Energy, Easy 5 Min Fit for Standard Letterboxes (Gold) at Amazon.
The lowest price we found is £7.55 while the highest is £22.99.
Prices for the best Large Letterbox Draft Excluder deals average at £13.64.
Last updated on February 1, 2026.
We scanned these quality online stores and more to deliver you with the best offers online available for Large Letterbox Draft Excluder.