Septic Tank in Sevenoaks

Find Septic Tank Prices in Sevenoaks

Home > Drains & Sewers Projects > Septic tank > Sevenoaks

Septic Tank in Sevenoaks

For homes that are no attached to mains drain, residential sewage therapy and also sewage-disposal tanks can be made use of. These have the ability to deal with tiny scale drainage issues, such as sewerage as well as grey water. This waste goes into the container, with solids being up to the base. Naturally-occurring germs in the waste breaks down these solids with anaerobic disintegration and continuing to be effluent is released right into the dirt making use of perforated pipes. Releasing effluent into a stream or ditch is not enabled; in order to do this, you have to also install a therapy plant. As a result of the microorganisms as well as compounds in the effluent. A drain area is called for in order to offer it additional chance to malfunction prior to entering water resources. The effluent additionally creates an effective as well as undesirable smell which many will certainly not desire about their home. Likewise, if the storage tank is not cleared consistently, soakaways can end up being blocked, additionally launching the unpleasant odour. It is advised to have a bit fitter to the tank, in order to reduce the possibility of such a blockage occurring.

Average Septic tank cost in Sevenoaks

The common cost of Septic tank is £200. Costs can change based on the materials and the business picked. The upper price range can be as high as £230. The material costs are typically about £50

Average price per Septic tank job in 2026

Avg. price low

Avg. price low
£150

Avg. price

Avg. price
£200

Avg. price high

Avg. price high
£230

£400

£300

£200

£100

£0

Prices based on actual Septic tank costs for Sevenoaks, as reported by local LeadsDoWork members.

Septic tank installation cost in Sevenoaks 2026

Labour cost £140
Material cost £50
Waste removal £10
Advertisement

Septic tank on Google in Sevenoaks

Google searches that showed Local Quotes, 20 July to 17 October 2026

5,188

Searches that showed one of our pages for Sevenoaks, all services

Source: Google Search Console, the number of times our pages appeared in Google search results. It counts searches that showed the page, not quote requests.

Septic tank searches near Sevenoaks, 20 July to 17 October 2026

637

Searches that showed our page for Wadhurst

110

Searches that showed our page for Ashford

Sevenoaks

Sevenoaks is a community and civil parish in the English county of Kent. Positioned southeast of London, it is served by a commuter major line railway and is 21 miles southeast of London Charing Cross. The community additionally gives its name to the Sevenoaks district, of which it is the primary town, adhered to by Swanley and also Edenbridge. A negotiation in the town can be gone back to the 13th century in a record outlining the establishment of a market. The building and construction of Knole House in the 15th century further aided in the development of the town. Sevenoaks was incorporated into the network of modern-day interactions when one of the very early turnpikes opened up in the 18th century. Having a long-term community of 24,987, a huge proportion of homeowners are travelers to London and also significant communities close by. This has actually caused the town being an area with high home rates, with expanding pressure on the town to establish even more residences. However, the Fort Halstead protection installation is a considerable employer of homeowners from Sevenoaks. A modern-day mall can be discovered in the town's centre. Bligh's Shopping Development, opened up in 2002, can be accessed from different instructions in the community. It consists of a variety of shops, containing primarily nationwide, yet additionally regional, stores. The style of the growth is styled on a little earlier periods however with contemporary elements. Located to the southeast of the town is Knole Park, within which sits Knole House. This is a 1,000 acre deer park with numerous trees, owned as well as maintained by the National Trust. For every one of your house upgrades, make certain to utilize reliable experts in Sevenoaks to ensure of high quality.

Looking for Septic tank in Sevenoaks?

Get free quotes from local plumbers

Get free quotes
Advertisement

Local & reliable plumbers near me

Tell us about your septic tank project

Answer a few quick questions, so we can match you with local plumbers who can help.

Find up to 4 plumbers in Sevenoaks

Get free, no-obligation local septic tank quotes from 4 verified plumbers working in Sevenoaks.

Hire with confidence

Compare customer reviews, services and prices, and choose the right tradesperson for you.

Our reviews

Average

I would recommend this company - I ...

I would recommend this company - I would recommend them I find them a brilliant service

Easy to use and put me in contact w ...

Easy to use and put me in contact with an excellent contractor within 24 hours

They are easy to use and find you c ...

They are easy to use and find you companies quite easily

FAQs

what is a septic tank?

What Is A Septic Tank?

Septic tank may be a very strange concept to many individuals, but to the households that make use of them - they’re crucial to several homes especially the ones who are not connected to the mains sewage line

A septic tank .is simply an underwater sedimentation tank which is incorporated for the treatment of waste water via a process called biological decomposition and drainage. The tank utilizes natural processes in conjunction with tried and tested technologies for waste water treatment. The waste water comes from household plumbing which are often generated by bathrooms and toilets, kitchens, laundry as well as drains.

Septic tanks usually possesses a very simple design. They are simply underground containers that are watertight ( usually round or rectangular) made of plastic, fibreglass or concrete. They normally constitute different compartments which is a T-shaped outlet to prevent the sum and sludge from escaping that tank and finding a spot on the drain field area.

Septic tanks are particularly useful for households with a poor drainage system or those that aren’t connected to the mains sewage system. They serve as their main source of safe waste water disposal. The tanks work by collecting waste water and excreta in one huge underground tank and they happen to be very common in rural and developing areas.

Septic tanks are typically fitted underground and 50 metres away from the building. For those that live in towns and cities, septic tanks are mostly not needed as the waste water is normally transported and taken care of by their sewage system is is maintained and managed by a local water company. If you own a septic tank, you have an extra duty to make sure that it’s existence doesn’t negatively impact the environment.

do septic tanks smell?

Do Septic Tanks Smell?

The simple and shot answer to this question is yes, septic tanks smell. There are a plethora of very pleasant fragrant smells to enjoy in the United Kingdom, but the smell that oozes out of septic tank systems are certainly not one of them. In fact, if you care for yourself a lot, you should not even try smelling your septic tank at all. However, if you do notice a bad odour wafting from the direction of your tank, it may be that there’s an indication that something is not right. The septic tank system is always with strong malodorous scents, but when you start smelling the odour from the septic tank on your property, then something is wrong and if ignored, may lead to a contamination of your water supply and or other dangerous situations.

✓ When you’re able to perceive the smell of your septic tank from your property, it may imply a full or overflowing septic tank. In this case, you should call in a professional to have your tank pumped. Generally, most tanks are designed to be pumped every 4 years but this is definitely going to vary depending on the size of of the tank as well as your home’s water usage.

✓ Another possible reason for a smelly tank is a covered septic tank vent. This usually happens when a home is renovated or remodelled after the septic tank system has been fitted. You should make sure that the septic tank vents are always uncovered.

✓ If the septic tank starts to get smelly right after showering, then it’s most likely that the septic tank was not installed the way it’s supposed to and may have been fitted without any type of vent.

✓ A smelly tank can also be caused by inappropriate items making their way into a system like cooking grease, oil or fat, paints, solvents, industrial cleaning products, condoms, feminine hygiene products and so on.

how deep is a septic tank buried?

How Deep Is A Septic Tank Buried?

Septic tanks may be an unknown concept to a lot of individuals in town and cities, but to those in the rural areas where certain things are unavailable, septic tanks are a necessity. After all, modern amenities such as appropriate plumbing is something we all need to live a comfortable and conveniently lifestyle.

If you happen to be interested in knowing more about the septic tank concept, you just moved into a house with a septic tank already built in or perhaps you want to have a septic tank system installed on your property, then you may likely want to know just how deep septic tanks are buried. Regardless of what the case may be, being aware of the depth of your septic tank can be a very tricky affair given the circumstances and even more so, when you’re ignorant of the positioning of the lids.

When it comes to the depth of septic tank systems, the general rule of thumb is that they should be buried within the range of four inches to four feet underground.

If you’re more particular about locating where your septic tank is built in, there are a few easy ways to find out. Firstly, you can let your sewer pipes lead you in. Generally, the tank as well as drain field are normally fitted parallel to the sewer line which extends from your home. Secondly, you can also look for visual clues to check if there’s either septic tank risers or clean out ports that is coming out from the ground. This way, you’ll able to tell right away where the septic tank system is located underground. However, if there are no visual clues then you can make some intelligent guesses. Simply take a look at your building’s piping and conditions of the property to have a good idea of where the tank is buried.

how to apply for a septic tank permit?

How To Apply For A Septic Tank Permit

There are some binding rules that must be followed if you’re the operator of a septic tank system or small sewage treatment plant. This binding rules include the following:

✓ The sewage must be domestic in nature. For instance the scum, sludge and waster water should come from the shower, toilet, kitchen, laundry room etc. If you’re not sure if your septic tank is domestic in nature in nature you can contact the Environment Agency.

✓ The sewage must not lead to pollution

There are also some binding rules whether you release to the ground such as your backyard garden or to a surface water like a stream or river.

In the event whereby you do not meet the general binding rules, you’ll need to apply for a septic tank permit. Here, the form you’ll have to fill will depend on where you discharge your sewage and how much sewage you discharge.

If you discharge your sewage to the ground there are different forms depending on whether you’re in a groundwater protection zone (SPZ1). Outside an SPZ1, there are different forms if you discharge between 2 and 15 cubic metres in a day and if its over 15 cubic metres per day. While inside an SPZ1, if you discharge less than 2 cubic metres per day you’ll fill different forms for systems in use before 1st January, 2015 and systems installed on or after that date.

If you want to discharge between 5 and 20 cubic metres sewage per day to a surface water, you can apply for a standard rules permit. If you can’t get a standard rules permit, you’ll need a permit to discharge up to 20 cubic metres per day and over 20 cubic metres per day.

Septic tank

Other Top Projects in Sevenoaks

Are you a plumber in Sevenoaks?

We can help you get more septic tank work with our qualified job leads and boost your business.

Join today