Expert Cat Flap Installers in London
Same Day Installation Service
Looking for professional cat flap fitters in London? Our experienced and fully qualified team of local glaziers and pet door specialists offer reliable same-day service for all cat flap and dog flap installations. We provide a free survey and no-obligation estimate, with a fixed price for your installation. All of our work is fully guaranteed, ensuring peace of mind and long-lasting results.
Fitting a cat flap or dog flap often requires specialised tools and expertise, which is why we recommend our reliable and professional glaziers for your pet flap installation in London.

We specialize in the installation of dog and cat flaps across London. Our team ensures a quick, efficient, and hassle-free installation at a time that suits you. Plus, we offer a no call-out fee policy.
Can you fit a cat flap in double glazing in London?
Yes, we are specialists in installing pet flaps in double glazing. Our expert team ensures the installation is completed with precision, sealing the flap correctly to prevent any potential condensation problems. For your peace of mind, we offer a 5-year guarantee on all our installations.

We can install pet flaps in:
Contact us today for a professional, reliable installation service in London

At Cat Flaps London, we specialise in supplying and fitting high-quality cat flaps for double-glazed patio doors and side panels. Whether you need a new cat flap or a replacement unit, our professional installation process ensures safety, durability, and convenience.

Step 1: On-Site Measurement
We arrange a convenient time to visit your property and take precise measurements of your current glass patio door. This ensures the new unit fits perfectly.
Step 2: Custom Glass Preparation
We cut two new pieces of 4mm float glass, available in plain or patterned designs, to match your current door. A circular hole is precision-cut for the cat flap, and the glass is toughened for safety.
Step 3: Toughening Process
The glass is sent to a specialised toughening plant. This process takes approximately 2-3 days to ensure the glass is compliant with safety standards.
Step 4: Double-Glazed Unit Creation
The toughened glass is crafted into a sealed double-glazed unit, featuring the perfectly positioned hole for the cat flap installation.
Step 5: Final Installation
We coordinate a time to replace your existing glass with the new double-glazed unit. Once installed, the cat flap is securely fitted on-site.
Q: Can you install a cat flap in my existing double-glazed patio door?
A: Unfortunately, no. Double-glazed units in patio doors are typically made with toughened or laminated safety glass, which cannot be cut without shattering. A replacement unit is required. We recommend storing the old unit for potential future use to save costs.
Q: I already have toughened glass in my patio door. Can you cut it to install a cat flap?
A: No, cutting toughened glass is not possible as it will shatter into small fragments. A new custom glass unit will be needed.
Q: Can I use any cat flap for my patio door?
A: No, the cat flap must be designed specifically for glass installations and should be circular. While square holes are possible, they are significantly more expensive to cut.
Q: Do you supply cat flaps?
A: Yes, we offer a wide selection of cat flaps, including manual, automatic, and microchip-operated models. We recommend consulting with us to choose the right cat flap for your needs. Visit our site for links to trusted cat flap brands.
Contact us today to schedule a consultation or to learn more about our services!
Cat Flaps in Wooden Doors - Cat Flaps in UPVc Panels - Cat Flaps in Glass & Double Glazing - Dog Flaps
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).
Do You Fit Into Cavity Walls.
We DO NOT install through cavity walls; we recommend that you hire a professional builder for this type of installation.
Cat flap installation in a brick wall has many pitfalls; it is messy, expensive and time-consuming. there may be pipes or wires we can not see.
If this is your preferred route or only option you have for your home, we strongly advise you to consult with a qualified builder before considering installing a pet door through a wall, always ensure they have relevant building experience, qualifications, insurance and that they can comply with all building regulations.
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!
By providing a photo of the glass we can give you the exact price. If you are unable to provide a photo of the glass, then kindly provide some rough dimensions. Please measure from edge of glass to edge of glass you can see left to right and top to bottom.
Cat flap fitter near me | Professional cat flap installation | Cat flap fitting services | Cat flap installation expert | Local cat flap fitter | Cat door installer | Cat flap fitting specialist | Cat flap installation company | Hire cat flap fitter | Cat flap fitting services near me | Cat flap installation cost | Best cat flap fitter | Cat flap fitting for doors | Install cat flap in door | Cat flap fitting and repair | Custom cat flap fitting | Pet door installation services | Cat flap fitting for windows | Cat flap installation
Dog flap fitter near me | Professional Dog flap installation | Dog flap fitting services | Dog flap installation expert | Local Dog flap fitter | Dog door installer | Dog flap fitting specialist | Dog flap installation company | Hire Dog flap fitter | Dog flap fitting services near me | Dog flap installation cost | Best Dog flap fitter | Dog flap fitting for doors | Install Dog flap in door | Dog flap fitting and repair | Custom Dog flap fitting | Pet door installation services | Dog flap fitting for windows | Dog flap installation
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.
Services
cat flap fitters Cat Flap Fitting Cat Flap Fitter Cat Flap cat flap Fitter In Double Glazing Cat Flap In Double Glazing Cat Flap in Glass Cat Flap in UPVC panel Cat Flap in wooden Door Cat Flap Installation Dog Flaps Cat flap installers Catflap Catflap Fitter Need a cat flap fitted Microchip Cat Flap FitterPostcodes
RM2 NW10 SE20 IG2 RM4 SE7 WD1 RM5 E7 E12 NW2 W4 RM7 IG7 SE24 E1 E9 SW4 DA12 SE18 DA1 NW3 N15 N16 EN9 W11 W12 N9 EN7 E14 WD5 DA17 EN6 SE22 N19 N22 EN8 SE13 SE10 N4 W1 SW2 W9 EC2 EN2 N8 RM15 RM19 EN11 WD4 SW7 NW11 SW5 SE21 RM20 N5 W14 SW17 DA11 SW1 SE23 SW8 SW1A NW5 NW7 N1 E5 N6 DA14 DA4 E3 EC1 DA13 W1M RM3 DA5 IG10 W7 SW12 SE2 RM12 N14 NW9 N18 EC3R WC2 N10 SE26 DA8 EN5 SE19 W6 SW16 W5 DA6 WD7 IG1 SW20 EN4 N3 W2 SE6 DA9 NW4 EN10 E10 WD2 E16 RM13 DA2 SE3 SW19 SE4 SE11 RM16 W10 E6 WC1 IG8 RM1 DA10 RM10 E15 SE1 SE28 IG9 SE15 E2 NW1 N13 SE8 IG6 WD6 W8 RM18 N11 SW9 EN1 SE17 E17 E13 SE5 RM9 SW18 WD3 SW15 N2 IG11 EC4 E18 SE25 W13 SE14 EN3 RM6 E11 N17 SE27 RM8 NW6 SW14 DA3 E4 NW8 SW3 N20 DA16 W3 N12 SE9 SW13 SE12 EC3 SW6 SW10 DA15 N7 RM17 E8 RM14 SW11 N21 IG3 SE16Towns
Chancery Lane Hackney Wick South Ockendon Bucks Hill Tower Hamlets Hackney West Tilbury Rickmansworth Little Ilford Notting Hill Gate South Hackney Mile End Chiswick House East Barnet Belvedere Mill Hill East Shepherds Bush Poplar Hadley Wood South Bank Acton Town Sands End Merton North Dulwich Cromwell Road Bow Church Erith Marshes New Southgate Gipsy Hill Vauxhall Castlenau Furzedown East Barnet Ealing Common Kensington & Chelsea Lambeth Willesden Green Grange Park Deptford High Street Fulham Palace Road East India Hawley Kenwood House West Green Cheshunt West Ealing Bumble's Green Balham Herne Hill East Ham Avery Hill Tottenham Court Road Fortis Green Turnham Green Meopham Green High Beach Finchley Havering Somers Town Lower Nazeing Kennington Regent's Park Dartmouth Park Blackheath Longfield Potters Bar Hammersmith Mile End Road Walthamstow Central Limehouse Hither Green Thamesmead Surrey Quays Ravenscourt Park Westbourne Grove Cranham Regent Street Horniman Museum Charlton Northaw Churchgate Regents Park South Street Gunnersbury Crouch End Spitalbrook Arkley Ridge Monken Hadley Kings Langley Bean Bermondsey Tooting Bec Aldwych Camden Waterloo Old Street Hackney Marshes Northfleet Liverpool Street Maple Cross North End Hackney Queen's Park Honor Oak Park Oxford Street Creekmouth Wandsworth Streatham Hill Lambourne End Plaistow Woodford Shadwell Bushey Mead St Pancras Raynes Park Little Thurrock Aldersgate Honor Oak Archway Harvel Hendon Grove Park Shooter's Hill Clapham South Oxhey Norbury Waltham Abbey Merton West India Quay Hyde Park Corner Old Kent Road Barnes Hampstead Garden Suburb Palmers Green Childs Hill Erith Willesden Junction Caledonian Road Lewisham Tower Hill Gospel Oak Vigo Village St Lukes Fulham Broadway Wandsworth Road Ladbroke Grove Cyprus Forest Hill Chingford Green Fulham Palace Road Ladbroke Grove Coldharbour Ladywell Shaftesbury Avenue East Tilbury Fenchurch Street Catford Colney Hatch South Acton Hyde Park Nazeing Old Oak Common Aldersbrook All Saints Thong Becontree Rotherhithe Hornchurch King's Cross Vauxhall Islington Gravesend Wimbledon Park Drayton Park Barbican Mortlake Cobham Stockwell Southgate Ealing Alexandra Park Barkingside Upper Tooting Greenwich Lancaster Gate Southwark Cathedral Warwick Park Seven Kings South Tottenham Brockley Cannon Street Leytonstone Elstree Walthamstow Boston Manor Victoria Park Mayfair Trent Park Colliers Wood Heron Quays Bethnal Green Betsham Edgware Road Sole Street East Sheen Summerstown Hornsey Rise Highgate Wood Piccadilly Circus Essex Road Westbourne Park Shoreditch Green Street Shenley Coldharbour Lane Thamesmead West Dulwich Rotherhithe Sutton at Hone Kensington Gore Broadgate East India Dock Road Swanscombe Western Avenue South Mimms North Ealing Streatham Coldblow Bellingham Holborn Viaduct Edgware Road Southfleet Bermondsey Highgate East Putney Canning Town New Barn Grange Hill Docklands Newham Capel Manor Waltham Cross Sloane Square Hoxton Westbourne Green Hammond Street St John's Wood Church End Bowes Park Clapham South Wanstead London Arena Cubitt Town Lavender Hill Woodford Green Botany Bay Temple Lambeth Warren Street Wennington Bedford Park Chigwell Broad Street Haringey Lesnes Abbey Mansion House Cottenham Park South Hornchurch Stepney Newington Green Westway North Cray Tottenham Hale Ranger's House Monument Harringay South Ealing Welling Bayswater Stroud Green Hanger Lane Millwall Aldenham Plashet Holland Park Queen's Gate Plumstead Upper Walthamstow Island Gardens Hornsey Lane South Darenth Peckham Rye Barons Court New Cross Harold Hill Wandsworth Town Drayton Green Crofton Park Deptford Chenies Aveley Shorne Ridgeway Strand Fortune Green Peckham Oakwood Buckhurst Hill Elm Park Finchley Central Baker Street East Finchley Cheapside Hyde Park Stepney Green Finsbury Park Camden Lock Navestock Hainault Croxley Green Covent Garden Eltham Broadley Common Shorne Well Hall Bushey Heath Oval Marylebone Stamford Hill Acton Green Culverstone Green Batchworth West Heath Bow New Barnet Dalston Junction Bedford Park Blackhorse Road West Hyde Bounds Green Earl's Court London Wall Roehampton West Acton Wandsworth Common Chelsea Putney Heath South Wimbledon Kensal Town Broxbourne Buckingham Palace Lambeth North Putney Bridge Shoreditch Canary Wharf Merry Hill Darenth Chingford Hatch Stratford Marsh Denmark Hill Leyton Marshes Cricklewood Church End Dulwich Brook Green Westminster Stapleford Tawney Stone Farringdon Chigwell Row Abbots Langley Holborn Highbury Lambeth Cuffley Manor Park West Hill Golders Green Elthorne Park Collier Row Highwood Hill Muswell Hill High Holborn Bushey Tulse Hill Clerkenwell Clapham North Bank Ladywell Maida Vale Wimbledon Common Whitechapel Hook Green Shenleybury Greenhithe Newington Green Bromley by Bow Lower Holloway Trafalgar Square Whetstone Hammersmith & Fulham Stoke Newington Hailey Gidea Park Barnes Bridge Hammersmith Ilford East Wickham Purfleet Stamford Hill Enfield New Ash Green East Acton Nunhead Chadwell St Mary Tilbury Totteridge Leicester Square Victoria Docks Chiswick Park St Pancras Cockfosters Rush Green Higham Hill North Kensington Temple Mills Abbey Road Billingsgate Blackfriars Canary Wharf Abridge Warwick Avenue Fleet Street Holloway Road Western Avenue Lower Place Brompton Road Great West Road Putney Vale Hartley Pentonville Copse Hill Upton Walworth Luddesdown Goodge Street Dartford St James's Park Winchmore Hill Romford Blackheath Park Palmers Green Barnsbury Ealing Broadway Enfield Brondesbury Park Seven Sisters Shooter's Hill North Ockendon Alexandra Palace Lisson Grove Newington Kidbrooke New Kent Road Noak Hill Oakleigh Park Lower Sydenham Woodside Brompton Muswell Hill Marble Arch East Dulwich Kensal Rise Goldhawk Road Victoria Bexleyheath Beckton Homerton City of Westminster Radlett Chalk Bulphan Chalk Farm Dagenham Latimer Road Upper Clapton Lane End Upminster Horseferry Road Becontree Heath South Hampstead Lea Bridge Flamstead End Upper Holloway Camer Enfield Chase Great North Way Hornsey Vale Bond Street Turnford Barking & Dagenham Lee Green St John's Battersea Kentish Town South Quay Primrose Hill Golders Hill Park Woolwich Belsize Park Cranley Gardens Abbey Wood Hanwell Friern Barnet Southwark Maida Vale Gilwell Park Leyton Soho Wanstead Park Holloway Park Royal Rocks Lane Crystal Palace Orsett Gloucester Road Singlewell or Ifield Pudding Mill Lane Rye Lane Brent Cross Charing Cross Dalston Euston Square Willesden Sarratt Highbury and Islington The Hyde South Woodford North Woolwich Devons Road Brondesbury Wimbledon Woodside Park St Paul's High Barnet Tulse Hill Chorleywood Smithfield Lee Commercial Road West Finchley Parsons Green West Ham Batchworth Heath Upper Edmonton Silvertown New Cross Gate Tufnell Park Holborn Belgravia Kilburn Park Sewardstone Park Lane Rye Park Fenton Ho. Norwood Junction West Hendon Tooting Graveney Hornsey Holders Hill Passingford Bridge Kensal Rise Moorgate Southgate Wrotham Park Woodford Bridge Dollis Hill West Hampstead Meopham Bank Forest Gate Upshire Nine Elms Longfield Hill Southwark Havering-atte-Bower Cromwell Road New Eltham Southfields South Norwood Riverside Stonebridge North Acton West Kilburn Spitalfields Penge Haydons Road Stockwell West Kensington London Bridge Holborn Islington Norwood Chipperfield Clapham Common Cheyne Walk Swiss Cottage Chiswick High Road Upton Park Rainham Mottingham Bishopsgate Stonebridge Park White Hart Lane Crystal Palace Kennington Upper Norwood Camberwell Hampstead Camden Town Anerley Snaresbrook Loughborough Junction Barnet Mornington Crescent Sidcup Acton Shacklewell Totteridge and Whetstone Tower of London Elephant & Castle Hampstead Heath Goldhawk Road Hampstead Garden Suburb Tooting Broadway East Dulwich Aldgate East Euston Waltham Forest Mudchute Kensal Green Clapton Chingford Edmonton Brompton Blackwall Russell Square Loughton Maida Hill Lower Clapton Westferry Harringay Grays Harlesden Shoreditch Hendon Central Lea Bridge Queens Road Goff's Oak West Norwood West Brompton Seven Sisters Road Wood Green Holloway Road North Stifford Horton Kirby Hoddesdon Lower Edmonton Finsbury Clapham Junction Mill Hill Great Portland Street Upper Sydenham Colindale Ponders End Chiswick Arsenal North Finchley Vauxhall Bridge Bedmond Bostall Woods Royal Oak Heronsgate Osidge Deptford Putney Goswell Road High Street Kensington Bournebridge Fairlop Waters Green Street Green Neasden Haggerston Fawkham Green Earlsfield Kensington Uxbridge Road Crayford White City Bloomsbury Wormley Knightsbridge Huntonbridge Stratford Stamford Brook Finchley Road Baker Street Notting Hill Forty Hill Westminster Bridge Paddington Clapton Park Kingsbury Chandler's Cross Bow Road Westminster Abbey Chelsea Custom House Lewisham Barking Queensway Sydenham Sydenham Hill Perry Street Letchmore Heath Ealing Harold Wood Embankment Bayswater Road Wapping Bowes Park Stapleford Abbotts Paddington Marylebone Highams Park Northfields Fulham Balls Pond Road South Lambeth Wilmington Turnpike Lane Farningham Aldgate Borough Borehamwood Noel Park Grove Park Elmers End South Kensington Kingsland Oxford Circus Redbridge Manor House Tottenham Eynsford Marylebone Foots Cray Old Ford West Thurrock Brixton Angel Streatham Common Watford Chelsea Embankment Olympia Bexley Green Park Hale End Ludgate Hill Marks Gate Kilburn Canonbury Holland Park Slade Green Pimlico Copthall Istead Rise