Booked around your day
Most cat flap bookings are within 48 hours and take a single short visit. Balham (Northern, Southern) is the nearest station, so a SW12 visit rarely needs a whole morning set aside.
Lambeth · SW12 · Cat flap fitting
Same-week slots · Fully insured · Local Balham fitters · Fixed written pricesLooking for cat flap fitting in Balham SW12? We work in Balham most weeks — bedford Hill's bars, Hildreth Street market and family terraces between the commons — and price cat flap fitting against that reality rather than a London average. Fixed written quote from £75, insured fitters, the cut edge sealed and the flap set up.


Overview
Booked mostly by renter-heavy households around Balham, cat flap fitting here covers supply-free fitting from £75. With 65% of Balham's 3,809 homes in flats, lift access and stair carries in SW12 shape the slot length we hold.
How it works
Step 1
Timber, uPVC, composite, glass or masonry — plus what is behind it. A cavity wall or a glazed panel changes the job completely.
Step 2
Measured to your cat's chest height, so an older or arthritic cat still uses it in two years' time.
Step 3
Template marked, cut from both faces to avoid blow-out, and the edge lined, capped or sealed.
Step 4
Flap fitted square, sealed against draughts and rain, and the fixings drawn up evenly so the frame does not bow.
Step 5
Microchips registered, curfew set if you want one, and the flap left in training mode with the mess cleared.
Why choose us
Most cat flap bookings are within 48 hours and take a single short visit. Balham (Northern, Southern) is the nearest station, so a SW12 visit rarely needs a whole morning set aside.
We expect lath and plaster over timber studs; locally that also means with solid brick on the party and external walls, where 48% owner-occupation means the same home is booked again rather than a new tenant each year in SW12, and we carry the anchors, through-fixings and long bits that match. The mistake we spend most time undoing here is a plasterboard plug spun into lime plaster; locally that also means which crumbles the key and drops the panel, and with 41% of homes here privately rented, it sets the booking date as often as the job does.
Fitters carry £5m public liability cover. We check leasehold and landlord consent before cutting anything, and we will not cut a communal fire door — that would void its rating and the block's fire strategy.
One fitter for doors and panels; two where a wall tunnel is core-drilled and the debris has to be carried out of a flat. Very tight CPZ, narrow streets and Art Deco blocks with small original lifts.
Fixed prices
| Job | From | Typical time | What sets the price |
|---|---|---|---|
| Timber door | £75 | 45–60 min | Cut, chamfered and sealed so the door edge does not swell in winter. |
| uPVC door panel | £95 | 1–1.5 hrs | The panel is cut in place with the frame protected, and the cut edge capped so water cannot track in. |
| Composite door | £120 | 1–2 hrs | A composite has a foam core between two skins; both faces must be cut cleanly and the core sealed. |
| Brick or block wall, up to 350mm | £190 | 2–3 hrs | Core-drilled both sides with a tunnel liner fitted, so the cavity is never left open. |
| Glass panel — cut-out supplied by a glazier | £110 | 1 hr | Toughened glass cannot be cut on site; we template it, fit the replacement pane and set the flap. |
| Microchip flap set-up and training mode | £25 | 15–20 min | Chips registered, curfew and selective entry configured, and the flap left on training setting. |
Timber door
£75 · 45–60 min
Cut, chamfered and sealed so the door edge does not swell in winter.
uPVC door panel
£95 · 1–1.5 hrs
The panel is cut in place with the frame protected, and the cut edge capped so water cannot track in.
Composite door
£120 · 1–2 hrs
A composite has a foam core between two skins; both faces must be cut cleanly and the core sealed.
Brick or block wall, up to 350mm
£190 · 2–3 hrs
Core-drilled both sides with a tunnel liner fitted, so the cavity is never left open.
Glass panel — cut-out supplied by a glazier
£110 · 1 hr
Toughened glass cannot be cut on site; we template it, fit the replacement pane and set the flap.
Microchip flap set-up and training mode
£25 · 15–20 min
Chips registered, curfew and selective entry configured, and the flap left on training setting.
Prices are labour and fitting materials; the flap itself can be supplied at cost or you can provide your own. Glass cut-outs are quoted by a glazier and shown separately. Where a lease or a landlord consent is needed we will tell you before booking rather than after. Permits, ULEZ and the Congestion Charge where they apply are itemised.
Scope
Sulltan is the best handyman in London. He is very reliable and professional. I highly recommend.
I booked online last minute, as I needed a handyman urgently for the next day. When I called Hello Services, I spoke to Michelle and she was extremely helpful and arranged everything within 15 mins. Adam the handy man then came to fix my wardrobe sliding door, which were jammed and came off the ledge… Read in full →
Sulltan is the best handyman in London , Highly recommend ......
Read all 26 cat flap fitting reviews →
Quoted verbatim from reviews customers left on our public Google and Trustpilot profiles. Nothing is edited, shortened beyond the link above, or written by us.
Coverage
Also in this area
Gripper, underlay, doorbars and stairs fitted, with the old floor lifted and taken away.
Wardrobes, beds, desks and storage built, levelled and anchored to the wall.
Floating and bracketed shelving into plaster, brick, stud and dot-and-dab.
Garden sets, loungers, BBQs, parasols and shed bases built outside and weather-fixed.
Bath and shower screens fitted, sealed and tested so the seal holds, not just looks right.
Working in Balham
3,809 households sit inside the SW12 neighbourhood covering Balham. The build is mainly Victorian, the tenure profile renter-heavy, and 65% of those homes are flats.
The renter-heavy mix here (48% owned, 41% privately rented) means a SW12 diary swings between short-notice tenancy deadlines and appointments set a fortnight out.
Expect lath and plaster over timber studs; locally that also means with solid brick on the party and external walls, where 48% owner-occupation means the same home is booked again rather than a new tenant each year behind the plaster in SW12. That is why fixings are picked in the room rather than off a van shelf, and why a plasterboard plug spun into lime plaster; locally that also means which crumbles the key and drops the panel, and with 41% of homes here privately rented, it sets the booking date as often as the job does is the fault we are called back to undo.
Balham sits inside the Congestion Charge zone as well as ULEZ, so both are itemised on the quote rather than absorbed into an hourly rate. What shapes the job more is the neighbourhood itself — bedford Hill's bars, Hildreth Street market and family terraces between the commons — which is why a SW12 quote is not a Lambeth average.
On access, very tight CPZ, narrow streets and Art Deco blocks with small original lifts — one reason one fitter for doors and panels; two where a wall tunnel is core-drilled and the debris has to be carried out of a flat. Fitters travelling in use Balham (Northern, Southern).
Area at a glance
Who lives in Balham and what they live in decides how cat flap fitting is quoted and how long a visit takes. These are the published Census 2021 figures for the Balham neighbourhood itself — not Lambeth-wide averages, and not estimates.
8,721
Residents
Balham neighbourhood, Census 2021
3,809
Households
Median age 31.7
Flats vs houses
Residents by sex
Single-person households
29.9%
Privately rented
40.6%
Source: ONS Census 2021 via Nomis (TS008, TS041, TS007A, TS044, TS054, TS003), MSOA geography. Figures cover the ONS neighbourhood Balham (E02000943) — the published geography that covers Balham, not the whole borough. Neighbourhood names: House of Commons Library MSOA Names (OGL). Coordinates for the SW12 district: 51.4463, -0.1491 — Outward postcode centroid, postcodes.io (Ordnance Survey Open Data).
Timber door starts at £75 in Balham, with Lambeth parking rules in play, and every job is quoted as a fixed written price before a fitter is booked across SW12. The material sets the price. Timber is quickest, uPVC and composite need capping for Balham (SW12) addresses, with 3,809 households on this patch, and a masonry wall means core drilling and a lined tunnel.
Yes — £95, an hour to 90 minutes. The panel is cut in place and the edge capped for Balham (SW12) addresses, so the door stays weatherproof. If it is glazed, a glazier supplies a pane with the cut-out on the Balham rounds.
Yes, in writing. 41% of Balham homes are privately rented, with 35% of Balham homes being houses, and a flap cut without consent is a common deposit deduction on the Balham rounds. Send the email and we fit to its conditions on SW12 jobs.
Yes, from £190 for a wall up to 350mm — the usual answer in Balham — and a median age of 32 in this neighbourhood, with this being London Borough of Lambeth territory, where 65% of homes are flats with glazed back doors: we core-drill and fit a lined tunnel.
Du Cane Court is the marker we route to in Balham, with Du Cane Court a few streets away, and very tight CPZ, narrow streets and Art Deco blocks with small original lifts. A SW12 slot added to an existing Lambeth round usually lands the same week rather than the next on this side of Lambeth, with 41% of SW12 homes being privately rented.
Most cat flap bookings are within 48 hours and take a single short visit in this 65% flats neighbourhood. Balham sits close to Balham (Northern, Southern), with Du Cane Court a few streets away, so we can usually add a SW12 job to an existing Lambeth round at short notice for Balham (SW12) addresses.
Very tight CPZ, narrow streets and Art Deco blocks with small original lifts on Lambeth bookings. Where a permit or a suspended bay is needed in London Borough of Lambeth it is itemised on the quote before the visit, never added afterwards on the Balham rounds — and Du Cane Court a few streets away, with 12% social-rented stock nearby.
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Free quote · 1-hour reply
Two ways to go: price it yourself on the quote page, or pick a slot on the live booking calendar. Balham SW12 jobs are confirmed in writing before anyone travels, and the same crew covers the rest of lambeth.
No deposit is taken until the price and slot are confirmed in writing.