Chimney Cowls

Chimney Cowls

Chimney cowls help protect your chimney from rain, birds, debris and downdraught, while supporting safer, more efficient stove and fireplace performance. At Nationwide Chimney Components, you’ll find a wide range of chimney cowls designed for different chimney pots, flue systems and common chimney problems.

Whether you need a bird guard to help stop nesting birds and leaves entering the flue, or a cowl that helps reduce downdraught and improve airflow, our range is built to offer practical, reliable protection. Many designs also help limit rain entry and support the long-term condition of your chimney, liner and flue system.

Browse our chimney cowls to find options suited to weather protection, bird prevention and improved chimney performance, with solutions for a variety of domestic installations and fuel appliances.

  • Raw Stainless Steel Raincap Cowl

    Stainless Steel Raincap Cowl

    MAD Cowls

    £67.18 Inc. VAT
    £55.98 Ex. VAT
    Suitable for Smokeless Fuels Suitable for Pot sizes up to 250mm (10") Height 150mm (6") / Width 350mm (14") Sold Fully Assembled and Ready to Fit No Special Tools Required Made from 1.0mm Stainless Steel Complete with Stainless Steel Strap...
    £67.18 Inc. VAT
    £55.98 Ex. VAT
  • MAD Anti Downdraught Chimney Cowl

    MAD Anti Downdraught Cowl

    MAD Cowls

    £58.03 Inc. VAT
    £48.36 Ex. VAT
    The Anti Downdraught Cowl is the most popular compact anti downdraught cowl on the British market. The reasons for this are that its compact and aerodynamic shape allows it to combat downdraught. Alongside this, it features a drainage system...
    £58.03 Inc. VAT
    £48.36 Ex. VAT
  • Buff C-Cap

    Buff C-Cap

    C-Caps UK Ltd

    £40.36 Inc. VAT
    £33.63 Ex. VAT
    The problems… Left uncapped, disused chimneys are exposed to the elements, air-borne debris and nesting birds and can be a major waste of energy via expensive heat loss from the home. The solution…Fitting a C-Cap immediately solves...
    £40.36 Inc. VAT
    £33.63 Ex. VAT
  • Mini Spinning Cowl Adaptor

    Mini Spinning Cowl Adaptor

    MAD Cowls

    £49.86 Inc. VAT
    £41.55 Ex. VAT
    This mini spinning cowl adaptor allows for a universal fitting 5 and 6 inch flue pipe appliances. Fitting this adaptor provides a more secure attachment to flue pipe applications in windy conditions. NCC have a large selection of cowls and fittings...
    £49.86 Inc. VAT
    £41.55 Ex. VAT
  • Terracotta Chimney Rain Cowl

    Chimney Rain Cowl

    MAD Cowls

    £40.49 Inc. VAT
    £33.74 Ex. VAT
    Our budget rain cowl provides excellent rain, wind, bird and animal protection and is available with a solid fuel bird guard (1" x 1" large holes) to prevent clogging. The rain cowl is not to be used with smokeless fuel. It is recommended using...
    £40.49 Inc. VAT
    £33.74 Ex. VAT
  • Stainless Mini Spinning Cowl

    Mini Spinning Cowl

    MAD Cowls

    £160.62 Inc. VAT
    £133.85 Ex. VAT
    Suitable for 125mm I.D (5") and 150mm I.D (6") Twin Wall Flues Sold Fully Assembled and Ready to Fit No Special Tools Required Made from Stainless Steel Withstands Flue Temperatures up to 200°C  Used with Mini Spinning Cowl Adaptor...
    £160.62 Inc. VAT
    £133.85 Ex. VAT
  • Flue vent 185mm Terracotta

    Flue Vent 185mm

    W.T.Knowles Ltd

    £82.46 Inc. VAT
    £68.72 Ex. VAT
    To be used to cap off an existing pot to prevent the ingress of rain water, birds but still allowing ventilation to prevent damp. This item is suitable for a redundant flue only it must NOT be used on a working flue.
    £82.46 Inc. VAT
    £68.72 Ex. VAT
  • Spinning Cowl

    Spinning Cowl

    MAD Cowls

    £146.58 Inc. VAT
    £122.15 Ex. VAT
    The MAD spinner cowl is the best quality revolving chimney cowl on the market. Designed to eradicate downdraught, while the rotating action assists ventilation, this cowl is the go-to product to increase upward draw within the chimney. It is also...
    £146.58 Inc. VAT
    £122.15 Ex. VAT
  • Terracotta C-Cap 350

    Terracotta C-Cap 350

    C-Caps UK Ltd

    £45.62 Inc. VAT
    £38.02 Ex. VAT
    The problems…Left uncapped, disused chimneys are exposed to the elements, air-borne debris and nesting birds and can be a major waste of energy via expensive heat loss from the home. As discussed in our article on capping off a chimney. The...
    £45.62 Inc. VAT
    £38.02 Ex. VAT
  • Raw Stainless Steel Anti Downdraught Cowl

    Raw Stainless Steel Anti Downdraught Cowl

    MAD Cowls

    MSRP: £81.07
    £78.31 Inc. VAT
    MSRP: £67.56
    £65.26 Ex. VAT
    Suitable for Pot sizes up to 300mm (12") Suitable for Smokeless Fuels Suitable for Gas, Oil, Wood and Solid Fuel Height 140mm (5.5") / Width 310mm (12") Sold Fully Assembled and Ready to Fit No Special Tools Required Made from 0.9mm Stainless Steel...
    MSRP: £81.07
    £78.31 Inc. VAT
    MSRP: £67.56
    £65.26 Ex. VAT
  • Mini Eurocowl Terracotta  for Pots Side

    Mini Euro Cowl for Chimney Pots

    Eurocowl

    £108.24 Inc. VAT
    £90.20 Ex. VAT
    The Mini Eurocowl is a specialised chimney cowl designed to solve the downdraught problem in fireplaces and stoves. It accomplishes this by directing wind across the chimney pot instead of down and into the flue, allowing harmful emissions to escape...
    £108.24 Inc. VAT
    £90.20 Ex. VAT
  • Senior Stainless Steel Strap Fix

    Senior Stainless Steel Strap Fix

    MAD Cowls

    £116.89 Inc. VAT
    £97.41 Ex. VAT
    Being made from durable stainless steel, this senior stainless steel strap fix cowl carries all the features of the M.A.D senior terracotta cowl but allows use with high corrosive smokeless fuel applications. Simply the best static anti down draught cowl...
    £116.89 Inc. VAT
    £97.41 Ex. VAT
  • Mini Euro Cowl Stainless Steel

    Mini Euro Cowl Stainless Steel for Twin Wall

    Eurocowl

    £176.15 Inc. VAT
    £146.79 Ex. VAT
    Mini Euro Cowl Stainless Steel Features Designed to Adapt to a Twinwall Flue (5" or 6" Int) Static Anti Downdraught Cowl Sold Fully Assembled and Ready to Fit No Special Tools Required Made from 316 Grade Stainless Steel Complete with Stainless Steel...
    £176.15 Inc. VAT
    £146.79 Ex. VAT
  • C-Cap Buff 350

    Buff C-Cap 350

    C-Caps UK Ltd

    £45.62 Inc. VAT
    £38.02 Ex. VAT
    The problems…Left uncapped, disused chimneys are exposed to the elements, air-borne debris and nesting birds and can be a major waste of energy via expensive heat loss from the home. The solution…Fitting a C-Cap immediately solves these...
    £45.62 Inc. VAT
    £38.02 Ex. VAT
  • Black Dragon Self Rotating Cowl

    Dragon Self Rotating Cowl

    £255.00 Inc. VAT
    £212.50 Ex. VAT
    A Dragon Self Rotating Cowl  is suitable to be installed within an existing twin or single wall flue system using the specially designed "Push Fit" system.  The Dragon Cowl always rotates and places itself in the opposite direction to the...
    £255.00 Inc. VAT
    £212.50 Ex. VAT
  • Capping Cowl  Terracotta

    Capping Cowl

    MAD Cowls

    £25.22 Inc. VAT
    £21.02 Ex. VAT
    This Capping Cowl is used to cap off unused chimneys whilst also providing good ventilation. By raising the arms upwards or downwards you can adjust the level of ventilation. Powder coated terracotta or Buff for longevity Includes stainless steel hose...
    £25.22 Inc. VAT
    £21.02 Ex. VAT