www.catflapfittersouthlondon.co.ukCatflap Fitter South London

Western Avenue Cat Flap In Double Glazing

Cat Flap Fitting Services in W3 Western Avenue South London and surrounding area's

We specialise in professional cat flap installations for a wide range of surfaces, including:

 Cat flaps installation in glass  upvc-door-panels-for-catflaps Glass door cat flap installation

Over 30 Years of Industry Experience

Call Us: 0208 098 2021
Email Us: sales@catflapfittersouthlondon.co.uk

Why Choose Us for Your Cat Flap or Dog Flap Installation?

  • Trusted Experts: Over 30 years of experience in the glass and glazing industry, with 15 years focused on pet door installations.
  • Wide Range of Surfaces: We fit flaps in UPVC, wood, composite, metal, and double-glazed units (including patio and French doors).
  • High-Quality Materials: Replacement UPVC panels are reinforced for durability. Double-glazed units are manufactured in-house for precision and quality.
  • Affordable Pricing: We keep costs low and pass the savings directly to you.
  • Experienced Team: With 6 trusted fitters installing over 200 cat and dog flaps monthly, you’re in safe hands.
  • Customer Satisfaction: Don’t just take our word for it—read our glowing reviews!

Popular Cat and Dog Flaps We Install

We’re experienced in installing a variety of flaps, including:

How We Work: Cat Flap Installation in Double Glazing

If you need a cat flap in a double-glazed unit, we’ll replace the glass with a new custom-made double-glazed unit. This process takes 3–5 working days from measurement to fitting. All units are manufactured at our factory to ensure the highest standards.


Contact us today 0208 098 2021 to discuss your requirements or to get a free, no-obligation quote!

Cat Flaps in Wooden Doors - Cat Flaps in UPVc Panels - Cat Flaps in Glass & Double Glazing - Dog Flaps

How to train your cat or dog to use their new pet flap

Some cats will approach a cat flap with curiosity, while others may be a bit more wary. Here is five easy steps to help get your cat using its new cat flap.

Cold every time you have to get up and let the cat in or out - woken in the middle of the night - sound familiar, then its possibly time you fitted a cat flap/dog flap!

Click for step by step proven guide
How to train your cat or dog to use their new pet flap

What our customers say

Choosing the right pet flap for your Pet

Choosing the right pet flap for your Pet

There are a variety of pet flaps available. Our most popular brands include Catmate, Staywelland Sureflap, available in the following types:

4 WAY PET FLAP
2 WAY PET FLAP
Infra-Red Collar Pet Flap
Magnetic Collar Pet Flap
RFID MICROCHIP PET FLAP

See more on the cat flap fitter page

Frequently asked questions

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No - The cat flap/catflap must be glass fitting and circular as it is very expensive to cut a square hole, although not impossible.

Cat flaps come with a kit that includes a paper template that guides you exactly where to drill. With the help of markings, drill a hole in to each corner of the template. Once you have done with drilling the holes, you can get the shape of your cat flap accordingly. These are great for wooden, UPVC/plastic and metal doors, but would recommend a professionaal for anything to do with glass.

No - The glass in the door should already be toughened and you can not cut toughened glass, so we will need to replace the unit (worth hanging on to the double glazed unit we take ut as should you move or need to put this back at a later date will save you some money).

Yes - as cat flaps come in different sizes, models, automatic etc. it is best to talk to us first in order that you can ask all the questions you require answered on the most popular brands. We offer a selection of cat flaps and pet doors, we highly recommend that you take a brief look at the options prior to making a decision. We have added a link from our site to some of the most popular brands.

It varies, but usually takes around 1 hour to install a cat flap in wood, UPVC, metal or a composite door, if it is a cat flap in glass or a double glazed unit, the glass will be toughened safety glass and usually take 3-5 working days to remanufacture and about 30 minuites to install again subject to type and style of door or frame.

We're afraid not as the glass is already toughened when you try to cut it and the glass would break into hundreds of thousands of pieces!

  1. We would arrange to visit your home or property at a convenient time to get an exact measurement of the current double glazed unit in the door, check what pattern you have and offer a like for like or an alternative if the glass is no longer manufactured.
  2. We would then cut 2 new pieces of 4mm float glass (plain or pattern of your choice) to the exact size as measured, cut a hole in both pieces of glass for the cat flap and then have the glass toughened. (What is toughened glass).
  3. Approximately 2-3 day later the cat flap glass will be ready to collect from the toughening plant.
  4. We will then create a sealed doubel glazed unit which will have the hole perfectly placed for the installation of the cat flap.
  5. We will then arrange a convenient time with you to replace your current double glazed unit with the new cat flap ready double glazed sealed unit.
  6. The cat flap is installed once at the property

Just be prepared to be a bit more patient with older cats who may not have used a cat flap before. Use a food reward for your cat and try playing in close by so they get used to being nect to it. Leave the flap open so they can see outside as curiosity will entice them closer until they eventually go through it. 

Areas we cover

Postcodes   SE17   SE18   SW4   SE16   SW7   SW19   W11   TW14   DA15   W3   W8   TW13   SE25   W13   SE13   SE28   SW14   SE11   DA3   TW20   TW5   SE9   DA1   W5   TW9   DA14   SW1   SW11   SE7   DA10   W1M   BR5   BR8   SE26   SW6   DA13   DA4   TW4   SW2   SW17   DA9   SE12   SE8   SE21   TW17   BR4   BR6   TW12   DA8   SE27   W7   TW15   TW11   TW18   SW18   SW16   SW3   W2   SE24   SW15   TW19   SE5   SW20   TW7   SE6   SE1   SW8   W4   BR1   W10   TW8   SE10   DA5   SE4   BR2   SE3   TW3   SW13   TW10   W1   SE22   SW12   DA12   DA16   DA11   SE20   SW1A   SW5   DA6   DA2   W9   SE15   DA17   SE23   W12   W14   BR7   TW1   SW10   TW16   SE19   BR3   SW9   SE2   W6   SE14
Towns   Acton Green   Downe   Clapham North   Honor Oak   Merton   Maida Vale   Southwark   Stanwell   Acton   East Acton   East Dulwich   Sydenham   Lambeth   Wandsworth   Catford   Blackheath   Barnes   Chiswick   West Dulwich   South Lambeth   Hanworth   Paddington   Meopham Green   Lambeth   Gipsy Hill   Furzedown   North Ealing   Sydenham Hill   Hounslow Central   Warwick Park   Roehampton   Chelsea Embankment   Brockley   Nine Elms   Hartley   Grove Park   Old Kent Road   Clapham Junction   Hammersmith   Westminster   Lesnes Abbey   Meopham   Uxbridge Road   Thamesmead   Peckham Rye   White City   Cooper's Hill   Brook Green   Bostall Woods   Pratt's Bottom   West Norwood   South Darenth   Pimlico   Hanger Lane   Marylebone   Farnborough   Stamford Brook   High Street Kensington   Woolwich   Earlsfield   Singlewell or Ifield   Green Street Green   West Hill   Abbey Wood   Eynsford   Chislehurst Caves   Longfield Hill   Feltham   Streatham Common   Keston   Surrey Quays   Stockwell   East Dulwich   Newington   Great West Road   Barnes Bridge   Crayford   West Wickham   Chelsea   Earl's Court   Swanscombe   Edgware Road   Ealing   Brompton   Balham   Hammersmith & Fulham   Belvedere   Ashford   Penge   Hounslow West   West Heath   Fulham Palace Road   Twickenham   Cottenham Park   Hyde Park Corner   West Acton   West Ealing   Shooter's Hill   Westbourne Grove   Parsons Green   Hounslow   Loughborough Junction   Elmers End   Deptford   Holland Park   Sutton at Hone   Hatton   Wilmington   Gloucester Road   Egham   Fulham Palace Road   Notting Hill   Walworth   Syon House   Richmond upon Thames   Lancaster Gate   Hounslow East   Chalk   Shooter's Hill   Gravesend   New Cross   Richmond Park   Bermondsey   Slade Green   Kensington Gore   Denmark Hill   Sunbury   Darenth   Tooting Graveney   North Cray   Marylebone   Warren Street   Notting Hill Gate   Clapham South   Woodside   Cromwell Road   Chelsea   Avery Hill   Oxford Circus   Greenwich   Kennington   Oval   Rocks Lane   Hayes   Sidcup   St Paul's Cray   Horniman Museum   Grove Park   South Norwood   East Sheen   Sloane Square   Cheyne Walk   Well Hill   Victoria   Tooting Broadway   Olympia   Queensway   St Mary Cray   Welling   Ealing   Kingston upon Thames   Farningham   Blackheath Park   Dartford   Honor Oak Park   Bexleyheath   New Ash Green   Foots Cray   Bellingham   St James's Park   Sole Street   Wimbledon Common   Rotherhithe   Orpington   Bedford Park   Northfleet   Culverstone Green   Plumstead   Upper Tooting   Istead Rise   Chiswick High Road   Paddington   Coldharbour Lane   Regent Street   Acton Town   Richmond   Ham   Chislehurst   Crockenhill   Queens Road   Horton Kirby   Mottingham   Southfleet   Luddesdown   Piccadilly Circus   Kensington   New Barn   West Kilburn   Bayswater Road   Betsham   Longfield   Teddington   Hyde Park   Southfields   Erith   London Bridge   Swanley   Shepperton   Shepherds Bush   Hythe End   Putney Bridge   Tooting Bec   Lambeth North   Rye Lane   Cranford   Kew   Tottenham Court Road   Deptford High Street   Borough   Thong   Western Avenue   Hook Green   Crystal Palace   Norwood   Ham House   Southwark Cathedral   Marble Hill   Upper Norwood   Vigo Village   Stanwell Moor   Herne Hill   Buckingham Palace   Goldhawk Road   Marble Arch   St John's   Hanwell   Tulse Hill   Lee Green   Westway   Hampton   Chiswick Park   Chelsfield   Fulham Broadway   Putney   Bushy Park   Nunhead   Bromley   Docklands   Ealing Common   Western Avenue   Putney Vale   Elephant & Castle   Kennington   New Eltham   Lewisham   South Kensington   Ealing Broadway   Locksbottom   Wandsworth Town   Waterloo   Streatham Hill   Goodge Street   Westminster Bridge   Ranger's House   Clapham Common   Boston Manor   Lambeth   Green Street Green   Beckenham   East Bedfont   Vauxhall   Northfields   Ravenscourt Park   Deptford   New Cross Gate   Putney Heath   Osterley Park   West Brompton   Queen's Gate   Haydons Road   Warwick Avenue   City of Westminster   Copse Hill   Lee   Lower Sydenham   Westbourne Park   Summerstown   Dulwich   Wimbledon   Drayton Green   Cromwell Road   Bickley   Hither Green   Harvel   Lane End   Tulse Hill   Knightsbridge   Wraysbury   Camberwell   Soho   Hyde Park   Royal Oak   Camer   Anerley   Hextable   Mortlake   Castlenau   Clapham   Well Hall   Brompton   Bedford Park   Horseferry Road   East Putney   Shorne Ridgeway   North Dulwich   Bexley   Bean   Oxford Street   Bond Street   Bushey Mead   Kew Gardens   Boston Manor   Crofton Park   Norwood Junction   Wimbledon Park   Vauxhall   Coldblow   Cobham   Norbury   Battersea   Colliers Wood   Leaves Green   Bromley Common   Eden Park   Ladywell   Staines   Hawley   Gunnersbury   South Ealing   Brixton   Kidbrooke   Stockwell   South Bank   Riverside   South Acton   Westminster Abbey   Sands End   Hammersmith   Forest Hill   North Kensington   Bayswater   Erith Marshes   Bermondsey   Littleton   Perry Street   Maida Hill   Upper Halliford   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