catflapfittersouthlondon.co.ukCatflap Fitter South London

Forest Hill Cat Flap In Wooden Door

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