eastlondoncatflapfitter.co.ukEast London Cat Flap Fitter

Custom House Catflap

Cat Flap Fitting Services in E16 Custom House East 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: 0207 096 3749
Email Us: sales@eastlondoncatflapfitter.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 0207 096 3749 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

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

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