catflapfittersouthlondon.co.ukCatflap Fitter South London

Westminster Bridge Catflap

Cat Flap Fitting Services in SE1 Westminster Bridge 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

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Towns   Knockholt Station   Sole Street   Swanley   Gipsy Hill   Acton Green   Park Lane   Brompton   Marylebone   Shepperton   Chelsea Embankment   Pimlico   East Dulwich   North Kensington   High Street Kensington   Latimer Road   Lambeth   Kew Gardens   Hammersmith   West Kilburn   Northfleet   Grove Park   Bedford Park   Farningham   Longfield   East Acton   Acton   Lancaster Gate   Herne Hill   Forest Hill   Eltham   Gravesend   Hanger Lane   Norwood Junction   Notting Hill   Isleworth   Balham   Wimbledon Common   Riverside   Bostall Woods   Hayes   Deptford   Chelsfield   Fulham   Plumstead   West Brompton   Belgravia   Lambeth   Clapham   Westbourne Park   Clapham North   Hanwell   Mottingham   Great West Road   Horton Kirby   Mayfair   Coldblow   Thamesmead   Twickenham   Welling   West Heath   Lee   Cottenham Park   Shorne Ridgeway   Earl's Court   Wandsworth Town   Westminster Abbey   Paddington   Hither Green   Thamesmead   New Cross   East Bedfont   Stockwell   Coldharbour 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St Mary Cray   Osterley Park   Keston   Ealing   Bayswater Road   Green Street Green   Blackheath   Rye Lane   West Wickham   Stanwell Moor   South Norwood   Bromley Common   Ham   Barons Court   Eynsford   Grove Park   South Street   Peckham   Uxbridge Road   Hounslow   Acton Town   Erith Marshes   Lower Sydenham   West Hill   Blackheath Park   Crofton Park   South Wimbledon   Bedford Park   New Eltham   Oval   Charlton   Wraysbury   Ashford   Lambeth North   Wilmington   Streatham   Wimbledon Park   Green Street Green   Marylebone   Foots Cray   Putney   Brockley   Deptford   Norwood   Regent Street   Holland Park   West Acton   St James's Park   Brixton   South Darenth   Westminster Bridge   Sands End   Leaves Green   Royal Oak   Stanwell   Hounslow East   Ham House   Englefield Green   Lambeth   Shorne   Ravenscourt Park   Chelsea   Penge   Old Kent Road   Staines   Warwick Park   East Sheen   Southwark   Edgware Road   West Dulwich   Clapham Common   Sydenham   Piccadilly Circus   Northfields   Sloane Square   Wandsworth Common   Sidcup   Well Hill   Crayford   Kensal Town   Lee Green   Sunbury   Hextable   Dartford   Chiswick Park   Crockenhill   South Acton   Abbey Wood   Buckingham Palace   South Ealing   Hammersmith & Fulham   St John's   Cromwell Road   Ranger's House   Knightsbridge   Crystal Palace   New Cross Gate   Warwick Avenue   Cheyne Walk   Tooting Broadway   Richmond upon Thames   Boston Manor   Lavender Hill   Colliers Wood   Westway   Nine Elms   Bushy Park   Roehampton   Kensington Gore   Fulham Palace Road   Greenwich   Haydons Road   Putney Vale   Queensway   Woodside   South Bank   Ealing Broadway   Vauxhall   Queen's Gate   Boston Manor   Stamford Brook   West Kensington   Down House   Greenhithe   Brompton   Summerstown   Walworth   Bickley   St Paul's Cray   Shooter's Hill   Richmond Park   North Dulwich   Shooter's Hill   Bellingham   Chislehurst   Fawkham Green   Westbourne Green   Honor Oak   Perry Street   Well Hall   Kennington   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