SE11 · London

Plumbers & electricians in Kennington

Kennington is a district of late Georgian terraces built with their main rooms raised above a semi basement, and that sunken area behind the front railings is where a lot of the work here starts.

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Covering Kennington, Oval and Vauxhall.

Kennington Park sits in the middle, with the Oval to the south and Vauxhall out west towards the river. The older streets run between them. Kennington Road dates from the seventeen fifties and Cleaver Square from 1788, and the terraces along them are yellow London stock brick, three storeys or more over a semi basement, with a railed area at the front and steps down to a door below pavement level.

Not all of SE11 is Georgian. The Duchy of Cornwall built streets of its own here, the council put up substantial blocks either side of the park in the nineteen thirties, and there is a lot of newer flatted development towards Vauxhall. A boiler repair Kennington job can be a council flat on Monday and a period terrace on Tuesday, and an electrician Kennington visit might be a consumer unit in a new block or an EV charger onto a house whose supply was never asked to do anything of the sort.

What ties the older half of the district together is that area at the front, a walled hole in the ground with one small gully to take away everything that lands in it. When it stops working we get an emergency plumber Kennington call about water indoors, and the cause is outside on the paving.

Why a blocked area gully floods a Kennington lower ground floor

An area is a basin. Rain falling into it, rain running off the steps, and often rainwater off the front of the house as well, all land on the same few square metres of paving, and all of it leaves through one gully about the size of a dinner plate. There is no overflow. The lower ground floor door sits at the bottom of that basin, usually a step below the paving, with the airbricks and the base of the wall down there beside it.

What people notice is never the gully. It is a damp patch at the foot of the front wall that dries out in summer and comes back in October, or a doormat wet after heavy rain and dry after light rain, or standing water that takes an hour to clear. Lift the grating and the pot underneath is usually silted with leaf mulch, grit and the sand that washes out of old pointing. Sometimes it is worse than silt. These branches are often the original clayware, short lengths with mortar joints, and a joint can open or a length can drop, so the gully looks clear while the run behind it is broken.

The honest answer is usually drainage rather than waterproofing. A blocked drain Kennington callout that starts with a flooded area normally ends with the pot dug out by hand, the branch rodded, and a camera down the run to see whether the clayware is intact. If it is, the fix is maintenance, keeping the pot clear and the grating seated and looking at it before autumn rather than during it. If the run has collapsed, that length has to be relaid, because no amount of waterproofing on the inside face will help while water is still being delivered into the ground outside.

What SE11 covers

  • Kennington
  • Oval
  • Vauxhall

Post town London. If your postcode begins SE11, you are inside the patch.

SE11: questions we actually get asked

Do you cover Oval and Vauxhall as well as Kennington?

Yes, all of SE11 and the districts bordering it, from the Kennington Road end down past the Oval and west towards Vauxhall. Postcodes change over a couple of streets here, so the postcode tells us more than the area name does.

The gully in my front area looks clear but water still lies there. Why?

Because the blockage is nearly always below the grating. The pot can be silted right up to the level of its own outlet, or the branch running to the main drain can be partly blocked or broken. A camera down the run settles that in a few minutes, and it is worth doing before anyone lifts paving.

Why does the lower ground floor smell of drains after heavy rain?

The gully has a water trap in it, and that trap keeps sewer air out of the area. If the pot silts up, or the run surcharges in a downpour and then drains back, the seal is lost or fouled, and the smell rises into a space enclosed on three sides that does not air itself out.

Do I need the lower ground floor tanked?

Possibly, but not until the drainage has been ruled out. Tanking changes how the walls of a house this old behave, and it is the wrong thing to start while water is still being poured into the ground outside by a blocked gully. If the area drains properly and the wall is still wet, a waterproofing specification is a fair conversation.

Next door to SE11

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