www.catflapfittersouthlondon.co.ukCatflap Fitter South London

South London Cat Flap In Wooden Door

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