eastlondoncatflapfitter.co.ukEast London Cat Flap Fitter

East London Cat Flap Patio Door

Expert Cat Flap Installation for Double-Glazed Patio Doors and Side Panels in East London

At Cat Flaps East 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.

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How We Install Cat Flaps in Double-Glazed Patio Doors

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.


Frequently Asked Questions

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.


Why Choose Us for Your Cat Flap Installation in East London?

  • Expertise in working with double-glazed doors and double glazed windows.
  • Safe and professional installation process.
  • Custom-made glass tailored to your patio door.
  • Wide range of cat flap options to suit your needs.
  • We supply and fit cat and dog flaps
  • We are local cat flap fitters for your area
  • We offer a  choice of glass patterns if required to choose from

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

Cat Flap Fitted in UPVC Door
No Hidden Costs
Quality Workmanship
Quality Installation Guaranteed
Free Quote - No Obligation
4-Way Cat Flaps

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
Choosing the right pet flap for your Pet

What our customers say

See the work we've done

See the work we've done

Take a look at some of the work we have completed in your area:

Double Glazed Doors
Single Glazed Windows
Wooden Doors
UPVc Doors
Garage Doors
Fences & Gates

See gallery

Frequently asked questions

  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

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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.

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 can only offer our prices whish are below

A half panel door approx 60cm x 60cm would be £245 - £325 + Vat (£290) (clear glass - supplied and fitted subject to view)

A full height door panel approx 190cm x 60cm would be £325- £495 + Vat (£390) (clear glass - supplied and fitted subject to view)

if it has lead on the glass, a coloured glass or geogian bars, there would be an increase in the prices as above, this is why its best to send a picture and we can confirm the cost 100%

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!

Areas we cover

N13   N22   EN9   RM12   E14   E8   N11   IG8   EC2   RM17   EC1   N8   E11   RM15   E18   E2   IG2   RM10   N9   N7   E9   E5   E17   E4   EN11   IG7   N2   EN6   IG9   N10   N6   N20   E3   RM16   RM14   E7   RM1   RM19   N18   RM20   E16   N12   E6   RM2   RM3   RM5   N19   EN1   IG6   EC4   N16   RM18   EN10   EN7   IG3   IG1   RM13   EN2   RM8   RM4   RM9   IG11   RM6   N15   E10   N17   E1   E12   N14   EC3R   EN5   N3   N4   IG10   EN4   E13   E15   EN3   EN8   N1   EC3   N5   N21   RM7
Leytonstone   Lower Nazeing   Spitalfields   Cranley Gardens   Forest Gate   Seven Sisters Road   Haggerston   Winchmore Hill   Devons Road   Cockfosters   Clapton Park   Mudchute   Bank   South Hackney   Bank   Angel   Wormley   South Hornchurch   Arsenal   High Beach   Hale End   Tower of London   Newington Green   Blackhorse Road   Broadgate   Barkingside   Capel Manor   Woodford Green   Bow Road   Newham   Marks Gate   Wrotham Park   Lambourne End   Buckhurst Hill   Cheshunt   Harringay   Temple Mills   Caledonian Road   Woodford Bridge   Chigwell   Hailey   Barnet   Canning Town   Liverpool Street   Arkley   White Hart Lane   Haringey   Whetstone   Bishopsgate   Holloway Road   North Finchley   Hornsey   Redbridge   Homerton   Pentonville   Baker Street   Highgate Wood   Commercial Road   Enfield   Osidge   Crouch End   Bow   South Tottenham   Grange Park   Finsbury Park   Leyton   Hammond Street   Wapping   High Barnet   Hornsey Lane   Stapleford Tawney   Waltham Abbey   Holloway Road   Mile End Road   Oakleigh Park   Stepney Green   Walthamstow Central   Balls Pond Road   Upshire   Hackney Wick   Tufnell Park   Sewardstone   Old Street   Hornsey Rise   Custom House   Cubitt Town   Cheapside   Finchley   Blackwall   Harringay   Whitechapel   Barking   Newington Green   Loughton   Churchgate   Victoria Docks   Flamstead End   Coldharbour   Stroud Green   Broadley Common   Shadwell   Plaistow   East Finchley   West Ham   Bow Church   Grange Hill   Chingford Hatch   Ludgate Hill   Hornchurch   Lower Clapton   Ilford   Hadley Wood   Muswell Hill   East India   Collier Row   Havering   Shacklewell   Drayton Park   Southgate   Oakwood   Friern Barnet   Dalston   Wanstead Park   Lea Bridge   Cannon Street   Wanstead   Manor Park   Hoddesdon   Hornsey Vale   West India Quay   Aldersbrook   Walthamstow   Stratford   Muswell Hill   Rush Green   Monument   Shoreditch   Canary Wharf   Higham Hill   Totteridge   Little Thurrock   Wennington   Aldersgate   Palmers Green   Limehouse   Seven Sisters   Bromley by Bow   Bournebridge   Millwall   Aldgate   Stratford Marsh   Snaresbrook   Farringdon   Island Gardens   Totteridge and Whetstone   Essex Road   Hackney Marshes   Upminster   Purfleet   Lower Edmonton   Hackney   Seven Kings   Harold Wood   Southgate   Islington   Leyton Marshes   Creekmouth   Stamford Hill   Waltham Forest   St Lukes   North Ockendon   Pudding Mill Lane   East Barnet   Turnpike Lane   Church End   Botany Bay   Kenwood House   Alexandra Palace   Clapton   Moorgate   Plashet   Holborn   Upper Clapton   Rotherhithe   Highbury   Upper Edmonton   Hoxton   Mansion House   Archway   New Barnet   Chingford Green   Lower Holloway   Rye Park   Rainham   Upper Holloway   Canonbury   Becontree   Noak Hill   Forty Hill   Goff's Oak   Old Ford   Finsbury   Monken Hadley   Cuffley   All Saints   Stepney   Nazeing   East Tilbury   Barbican   Stoke Newington   Heron Quays   Woodside Park   Bounds Green   Colney Hatch   West Thurrock   Alexandra Park   Fleet Street   Goswell Road   Broad Street   Cranham   Victoria Park   East Ham   Potters Bar   Blackfriars   Dartmouth Park   Turnford   Dalston Junction   South Mimms   Hampstead Garden Suburb   Fortis Green   Mile End   Fairlop Waters   Finchley Central   South Quay   Westferry   Hackney   Fenchurch Street   New Southgate   Passingford Bridge   London Arena   Kingsland   Poplar   Billingsgate   Stamford Hill   Ridge   Palmers Green   Enfield   Bowes Park   Ponders End   Navestock   London Wall   Bumble's Green   Shoreditch   Edmonton   Holborn Viaduct   Abridge   Elm Park   Lea Bridge   Wood Green   Gilwell Park   Silvertown   East Barnet   Becontree Heath   Barking & Dagenham   Woodford   Upton   Trent Park   Upton Park   Noel Park   Manor House   Grays   Gidea Park   Broxbourne   Tower Hamlets   Smithfield   Highgate   Aldgate East   Barnsbury   Tower Hill   Hainault   Spitalbrook   Chadwell St Mary   Romford   West Tilbury   West Finchley   Bowes Park   Highams Park   Dagenham   Aveley   Tottenham Hale   Holloway   Stapleford Abbotts   Havering-atte-Bower   Highwood Hill   Shoreditch   Chingford   Highbury and Islington   Bethnal Green   Cyprus   North Stifford   Orsett   Harold Hill   North Woolwich   Little Ilford   South Woodford   Waltham Cross   Clerkenwell   Northaw   Chigwell Row   Beckton   East India Dock Road   West Green   Upper Walthamstow   Enfield Chase   South Ockendon   Tilbury   Tottenham   St Paul's   Bulphan   Islington