- Companies
- Civil engineering
- Waterlooville
- Smart Flow Drainage Solutions Limited
Smart Flow Drainage Solutions Limited
- Company number
- 16686059
- Incorporated
- 1 Sep 20251 year trading
- Registered office
- 2 London Road, Purbrook, Waterlooville, Hampshire, PO7 5LJ
- Nature of business
- Construction of utility projects for fluids
Smart Flow Drainage Solutions Limited is a 1-year-old private limited company registered in Waterlooville, company number 16686059, one of 70 civil engineering contractors in Waterlooville. Its next accounts are due at Companies House on 1 June 2027, and its first CT600 is due at HMRC on 31 August 2027.
Key dates
This company has not filed accounts yet. First accounts are due 21 months after incorporation, and the first period can run longer than a year.
Is this your company?
File the first 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 Smart Flow Drainage Solutions LimitedOr 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.
Where Smart Flow Drainage Solutions Limited is registered
The registered office is in Waterlooville (PO7), in the Havant local authority area, South East. Show PO7 5LJ on a map.
Other trade companies in PO7
- Coast to Coast Flooring LtdFloor and wall tilers
- Fortress Roofing Services LtdInstallers
- Redlands Roofing LtdInstallers
- WCP Plumbing & Heating LtdPlumbers and heating engineers
- Sparmor Developments LtdProperty developers
- Titan Home Improvements LtdProperty developers
- Accord Housing LimitedProperty developers
- JM Property & Stoves Services LimitedBuilders
Also registered at this address
10 other companies use the same registered office as Smart Flow Drainage Solutions Limited.
- Abel Projects LimitedSpecialist contractors
- Amh Electric LtdElectricians
- CM Rov Systems LtdMachinery repair and installation
- Cox Installations LtdFinishing trades
- Jon Taylor Electrical Services LimitedMachinery repair and installation
- Morburne Engineering LimitedMotor traders
- Progas South Services LtdPlumbers and heating engineers
- Skan Plumbing Heating Electrical LtdPlumbers and heating engineers
- Top Banana Flooring LtdFinishing trades
- Unity Fire LtdJoiners and carpenters
What happens if Smart Flow 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 1 June 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 2 Jun 2027 to 1 Jul 2027 | £150 |
| 1 to 3 months late | 2 Jul 2027 to 1 Sep 2027 | £375 |
| 3 to 6 months late | 2 Sep 2027 to 1 Dec 2027 | £750 |
| More than 6 months late | From 2 Dec 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Oct 2027 | £200 |
| 3 months late | 30 Dec 2027 | another £200 |
| 6 months late | 30 Mar 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 30 Sep 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
- 16686059
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 1 September 2025 (1 year ago)
- Registered office
- 2 London Road, Purbrook, Waterlooville, Hampshire, PO7 5LJ
- Nature of business
- Construction of utility projects for fluids (SIC 42210)
- Year end
- 30 September (accounting reference date)
- Accounts type
- No accounts filed yet
- Last confirmation statement
- 31 August 2026
Filing notes for civil engineering contractors
Civil engineering contractors usually carry plant and machinery, so capital allowances (the annual investment allowance and the main pool) do much of the work in the corporation tax computation.
Similar companies in Waterlooville
Other active civil engineering contractors registered in Waterlooville.
- Smith's Groundworks Southern Ltd2022
- SPB Civil Engineering Ltd2018
- T U Rail Services Ltd2024
- T W Contracting Limited2014
- Tag (Hampshire) Ltd2019
- TDL Infrastructure Ltd2026
- Telic Plant Op Services Limited2018
- TKR Fibre Ltd2021
All civil engineering contractors in Waterlooville · All trades in Waterlooville · Civil engineering across the UK
Frequently asked questions
When are Smart Flow Drainage Solutions Limited's accounts due?
Smart Flow Drainage Solutions Limited's next accounts are due at Companies House by 1 June 2027 (in 231 days), covering the period to 30 September 2026.
When is Smart Flow Drainage Solutions Limited's CT600 due?
The first accounts cover more than 12 months, so there are two Company Tax Returns: one for the 12 months to 31 August 2026, due by 31 August 2027, and one for the period to 30 September 2026, due by 30 September 2027. Corporation tax is payable 9 months and 1 day after the end of each.
Is Smart Flow Drainage Solutions Limited still trading?
Smart Flow 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 Smart Flow Drainage Solutions Limited do?
Smart Flow Drainage Solutions Limited is registered under Construction of utility projects for fluids (SIC 42210).
How old is Smart Flow Drainage Solutions Limited?
Smart Flow Drainage Solutions Limited was incorporated on 1 September 2025, 1 year ago.
What is the penalty if Smart Flow 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 Smart Flow 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.