Shrewsbury · SY1, SY2, SY3, SY4, SY5
Septic Tank Installation & Replacement in Shrewsbury
Replacement of failed or non-compliant septic tanks, from percolation testing and design through excavation, installation and building regulations sign-off. Serving Shrewsbury and the surrounding villages, including Baschurch, Bomere Heath, Bayston Hill, Condover.
Septic tanks do not last forever. Older brick or concrete tanks crack and leak, single-skin steel tanks corrode, and many older installations no longer meet the rules that now apply to off-mains drainage. When a tank fails, or a survey flags it during a house sale, replacement is usually the right answer.
The villages and scattered farms around Shrewsbury are classic off-mains territory. Older properties typically run on septic tanks of varying vintages, newer rural builds and barn conversions on package treatment plants, and it is common for a property changing hands here to be the first time anyone has looked hard at the system in years.
A new installation starts with the ground, not the tank. We assess the site, carry out percolation tests where a drainage field is planned, and design a system that suits your soil, your household size and the space available. In parts of Shropshire with heavy clay, a conventional soakaway will not pass a percolation test, and the right answer is often a small sewage treatment plant with a drainage field, or an alternative discharge arrangement that meets the rules.
Ground conditions around Shrewsbury
Ground around Shrewsbury is mixed. The Severn valley carries river terrace sands and gravels that generally drain well, while much of the surrounding farmland sits on glacial till with a heavy clay content where percolation tests need to be taken seriously before any soakaway is designed.
Watercourses and the rules around Shrewsbury
The Severn dominates the local drainage, fed by a network of brooks such as the Rea Brook and Cound Brook. Plenty of rural properties here have a ditch or watercourse within metres of the tank, which is exactly the situation the General Binding Rules were written for: septic tank discharge to those watercourses is no longer permitted.
Buying or selling around Shrewsbury
The Shrewsbury area has a busy market in period farmhouses, cottages and barn conversions. Drainage compliance now features in almost every rural sale, and we regularly carry out pre-purchase inspections and the upgrade work that surveys flag.
What the service includes
- Site assessment and percolation testing to BS 6297
- Honest advice on whether a septic tank or a treatment plant is the right fit for your ground
- Supply and installation of modern tanks certified to EN 12566
- Excavation, concrete backfill where required, and reinstatement of the site
- Decommissioning and safe removal or infilling of the old tank
- Building regulations liaison and completion paperwork
Where we go around Shrewsbury
As well as Shrewsbury itself, we cover the surrounding villages and farms, including Baschurch, Bomere Heath, Bayston Hill, Condover, Atcham, Montford Bridge, Pontesbury, Hanwood, Uffington, Bicton. If you are somewhere smaller or somewhere between, call anyway: if the lane goes there, so do we.
Septic Tank Installation & Replacement: common questions
How long does a septic tank installation take?
A straightforward domestic replacement typically takes a few days on site, depending on access, ground conditions and weather. Percolation tests and any building regulations approvals happen before the dig starts.
Can I replace a septic tank myself?
Installation involves deep excavation, heavy lifts, structural backfill and compliance with building regulations and the General Binding Rules. Getting it wrong is expensive to undo, so this is genuinely a job for a contractor with the right plant and experience.
What does a replacement cost?
It depends on tank size, access, ground conditions and whether a drainage field is needed. We quote after seeing the site, and the quote is itemised so you can see exactly what you are paying for.
Other services in Shrewsbury
- Septic Tank Emptying in Shrewsbury
- Sewage Treatment Plant Installation in Shrewsbury
- Sewage Treatment Plant Servicing in Shrewsbury
- Cesspit Emptying in Shrewsbury
- Soakaway Installation & Repair in Shrewsbury
- Drain Unblocking in Shrewsbury
- CCTV Drain Surveys in Shrewsbury
- Drain Repairs & Relining in Shrewsbury
- Emergency Drainage in Shrewsbury
Septic Tank Installation & Replacement elsewhere in Shropshire
Need septic tank installation and replacement in Shrewsbury?
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