- Companies
- Plumbers and heating engineers
- Hatfield
- City Drainage Solutions Ltd
City Drainage Solutions Ltd
- Company number
- 11557593
- Incorporated
- 7 Sep 20188 years trading
- Registered office
- 3 Lower Woodside Cottages, Woodside Lane, Hatfield, Hertfordshire, AL9 6DQ
- Nature of business
- Plumbing, heat and air-conditioning installation
City Drainage Solutions Ltd is a 8-year-old private limited company registered in Hatfield, company number 11557593, one of 38 plumbing and heating companies in Hatfield. Its next accounts are due at Companies House on 31 May 2027, and the CT600 for the period to 31 August 2026 is due at HMRC on 31 August 2027.
Key dates
Worked out from the year end and filing history on the Companies House register.
Is this your company?
File the accounts to Companies House and the CT600 to HMRC yourself with A.X.E.L Filing. One set of questions, both filings, £49 flat. No accountant, no subscription.
File for City Drainage Solutions LtdOr get a reminder before each deadline
Free. We email you 60, 30, 14, 7 and 1 days before the accounts, CT600 and confirmation statement are due. Unsubscribe in one click.
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 unchanged on the year before, at £200.
- Net assets rose in 2 of 6 year-on-year comparisons on record.
- Current assets of £15K against £7,592 owed within a year: 1.9 times cover.
- 1 employee on average during the year.
- Balance sheets on record for 7 years, 2019 to 2025.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 31 Aug 2025 | £200 | £15K | £7,592 | 1 | |
| 31 Aug 2024 | £200 | £18K | £8,249 | 1 | |
| 31 Aug 2023 | £200 | £15K | £4,265 | 1 | |
| 31 Aug 2022 | £224 | £18K | £6,990 | 2 | |
| 31 Aug 2021 | £216 | £22K | £6,402 | 1 | |
| 31 Aug 2020 | £1,424 | £23K | £6,105 | 1 | |
| 31 Aug 2019 | -£1,395 | -£6,124 | £4,729 | 1 |
Where City Drainage Solutions Ltd is registered
The registered office is in Hatfield (AL9), in the Welwyn Hatfield local authority area, East of England. Show AL9 6DQ on a map.
Other trade companies in AL9
- DMC Equity LtdProperty developers
- Summit Air Conditioning Services LtdPlumbers and heating engineers
- Teknosa Automotive LimitedMotor traders
- Enki Construction LtdBuilders
- Queensbury ST Ippolyts LimitedBuilders
- William Douglas Acquisitions LimitedProperty developers
- LG Site Services LimitedBuilders
- Miella Construction LtdPlumbers and heating engineers
What happens if City Drainage Solutions Ltd 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 May 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Jun 2027 to 30 Jun 2027 | £150 |
| 1 to 3 months late | 1 Jul 2027 to 31 Aug 2027 | £375 |
| 3 to 6 months late | 1 Sep 2027 to 30 Nov 2027 | £750 |
| More than 6 months late | From 1 Dec 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Sep 2027 | £200 |
| 3 months late | 30 Nov 2027 | another £200 |
| 6 months late | 29 Feb 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 Aug 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
- 11557593
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 7 September 2018 (8 years ago)
- Registered office
- 3 Lower Woodside Cottages, Woodside Lane, Hatfield, Hertfordshire, AL9 6DQ
- Nature of business
- Plumbing, heat and air-conditioning installation (SIC 43220)
- Year end
- 31 August (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 31 August 2025
- Last confirmation statement
- 18 October 2025
- Previous names
- M Amos Plumbing & Drainage Ltd (until 23 Aug 2021)
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 Hatfield
Other active plumbing and heating companies registered in Hatfield.
- Copperance Ltd2026
- Direct Plumbing & Heating Services Limited2017
- Emmahan Limited2023
- Esh Plumbing & Heating Ltd2019
- Evolv Heating Ltd2026
- Fairfax Plumbing and Heating Supplies Limited1995
- Fusion Heat Ltd2015
- Hydraulika Limited2022
All plumbing and heating companies in Hatfield · All trades in Hatfield · Plumbers and heating engineers across the UK
Frequently asked questions
When are City Drainage Solutions Ltd's accounts due?
City Drainage Solutions Ltd's next accounts are due at Companies House by 31 May 2027 (in 230 days), covering the period to 31 August 2026.
When is City Drainage Solutions Ltd's CT600 due?
The CT600 for the period to 31 August 2026 is due at HMRC by 31 August 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 June 2027.
Is City Drainage Solutions Ltd still trading?
City Drainage Solutions Ltd 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 City Drainage Solutions Ltd do?
City Drainage Solutions Ltd is registered under Plumbing, heat and air-conditioning installation (SIC 43220).
How old is City Drainage Solutions Ltd?
City Drainage Solutions Ltd was incorporated on 7 September 2018, 8 years ago.
What is the penalty if City Drainage Solutions Ltd 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 City Drainage Solutions Ltd 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.