- Companies
- Plumbers and heating engineers
- St Albans
- Advanced Drainage Solutions Limited
Advanced Drainage Solutions Limited
- Company number
- 05681686
- Incorporated
- 20 Jan 200620 years trading
- Registered office
- Suite 6, 2 Place Farm Place Farm, Wheathampstead, St Albans, AL4 8SB
- Nature of business
- Plumbing, heat and air-conditioning installation
Advanced Drainage Solutions Limited is a 20-year-old private limited company registered in St Albans, company number 05681686, one of 67 plumbing and heating companies in St Albans. Its next accounts are due at Companies House on 31 December 2026, and the CT600 for the period to 31 March 2026 is due at HMRC on 31 March 2027.
Key dates
Worked out from the year end and filing history on the Companies House register.
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Finances
From each year's balance sheet filed at Companies House. Small companies do not have to publish turnover or profit, so these are balance sheet figures.
- Net assets up £2,690 (+0.3%) on the year before, to £1M.
- Net assets rose in 8 of 9 year-on-year comparisons on record.
- Current assets of £1M against £154K owed within a year: 6.7 times cover.
- 21 employees on average, up from 17 the year before.
- Balance sheets on record for 10 years, 2015 to 2024.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 31 Mar 2024 | £1M | £348K | £1M | £154K | 21 |
| 31 Mar 2023 | £999K | £224K | £1.1M | £180K | 17 |
| 31 Mar 2022 | £882K | £148K | £920K | £162K | 17 |
| 31 Mar 2021 | £892K | £239K | £978K | £182K | 14 |
| 31 Mar 2020 | £776K | £208K | £914K | £212K | 14 |
| 31 Mar 2019 | £639K | £263K | £723K | £157K | 14 |
| 31 Mar 2018 | £625K | £145K | £716K | £159K | 12 |
| 31 Mar 2017 | £516K | £151K | £581K | £129K | 12 |
| 31 Mar 2016 | £265K | £315K | £100K | ||
| 31 Mar 2015 | £193K | £235K | £85K |
Where Advanced Drainage Solutions Limited is registered
The registered office is in St Albans (AL4), in the St Albans local authority area, East of England. Show AL4 8SB on a map.
Other trade companies in AL4
- Savanto LimitedMotor traders
- Smart Finishes LtdPlasterers
- Htandg (Community Services) LtdLandscapers and gardeners
- Block Fire LtdElectricians
- Legacy Outdoor Living LtdLandscapers and gardeners
- Tahir Waqas Construction UK LtdBuilders
- BT Bim LimitedSpecialist contractors
- J&K Property (Herts) LtdInstallers
Also registered at this address
6 other companies use the same registered office as Advanced Drainage Solutions Limited.
- Adam Eastman Management LtdSpecialist contractors
- Bolt Building & Maintenance LtdFinishing trades
- Core Maintain LimitedElectricians
- Corehard LimitedGroundworks and demolition
- DDL Ductwork LtdInstallers
- Intelligent Auto Services LtdMechanics and garages
What happens if Advanced Drainage Solutions Limited files late
Companies House charges an automatic penalty the day after the deadline, and it rises the longer the accounts are late. These are the dates for this company's accounts due on 31 December 2026.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Jan 2027 to 31 Jan 2027 | £150 |
| 1 to 3 months late | 1 Feb 2027 to 31 Mar 2027 | £375 |
| 3 to 6 months late | 1 Apr 2027 to 30 Jun 2027 | £750 |
| More than 6 months late | From 1 Jul 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Apr 2027 | £200 |
| 3 months late | 30 Jun 2027 | another £200 |
| 6 months late | 30 Sep 2027 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 Mar 2028 | another 10% of any unpaid tax |
For returns filed on or after 1 April 2026. Late three times in a row and the £200 penalties become £1,000 each.
Company details
As held on the Companies House register.
- Company number
- 05681686
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 20 January 2006 (20 years ago)
- Registered office
- Suite 6, 2 Place Farm Place Farm, Wheathampstead, St Albans, AL4 8SB
- Nature of business
- Plumbing, heat and air-conditioning installation (SIC 43220)
- Year end
- 31 March (accounting reference date)
- Accounts type
- Total exemption (full)
- Last accounts made up to
- 31 March 2025
- Last confirmation statement
- 20 January 2026
Filing notes for plumbing and heating companies
Plumbing and heating companies frequently work under CIS for main contractors and also directly for homeowners, so turnover can mix CIS and non-CIS income.
Similar companies in St Albans
Other active plumbing and heating companies registered in St Albans.
- Agw Plumbing & Heating Limited2015
- Alban Climate Limited2026
- Alpha Plumbers Ltd2024
- Aphex Heating Engineers Ltd2020
- Arnold James (ST. Albans) Limited1958
- Atk Environmental Ltd2023
- B M Pool Heating Limited2023
- C Godfrey Plumbing Services Ltd2010
All plumbing and heating companies in St Albans · All trades in St Albans · Plumbers and heating engineers across the UK
Frequently asked questions
When are Advanced Drainage Solutions Limited's accounts due?
Advanced Drainage Solutions Limited's next accounts are due at Companies House by 31 December 2026 (in 79 days), covering the period to 31 March 2026.
When is Advanced Drainage Solutions Limited's CT600 due?
The CT600 for the period to 31 March 2026 is due at HMRC by 31 March 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 January 2027.
Is Advanced Drainage Solutions Limited still trading?
Advanced Drainage Solutions Limited is listed as active on the Companies House register as of 1 Oct 2026. Active means it has not been dissolved or entered insolvency; it does not show whether it is currently taking on work.
What does Advanced Drainage Solutions Limited do?
Advanced Drainage Solutions Limited is registered under Plumbing, heat and air-conditioning installation (SIC 43220).
How old is Advanced Drainage Solutions Limited?
Advanced Drainage Solutions Limited was incorporated on 20 January 2006, 20 years ago.
What is the penalty if Advanced Drainage Solutions Limited files its accounts late?
Companies House charges £150 if the accounts are up to 1 month late, £375 up to 3 months, £750 up to 6 months and £1,500 after that, doubled if the previous year's accounts were also late. HMRC charges £200 for a CT600 filed a day late and another £200 at 3 months.
Official records
View Advanced Drainage Solutions Limited on Companies House for filed documents, officers and the full history.
Based on the Companies House register (snapshot 1 Oct 2026). Deadlines are worked out from the register and assume a standard accounting period; a change of year end or a short period moves them. This page is general information, not tax or accountancy advice.