www.catflapfittersouthlondon.co.ukCatflap Fitter South London

South London Cat Flap In Glass

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