- Companies
- Plumbers and heating engineers
- Wimborne
- Pro Drainage Limited
Pro Drainage Limited
- Company number
- 09716578
- Incorporated
- 4 Aug 201511 years trading
- Registered office
- Unit 7 Cedar Trade Park Cobham Road, Ferndown Industrial Estate, Wimborne, BH21 7SD
- Nature of business
- Plumbing, heat and air-conditioning installation
Pro Drainage Limited is a 11-year-old private limited company registered in Wimborne, company number 09716578, one of 56 plumbing and heating companies in Wimborne. 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.
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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 down £682K (-27.3%) on the year before, to £1.8M.
- Net assets rose in 5 of 9 year-on-year comparisons on record.
- Current assets of £2.2M against £637K owed within a year: 3.5 times cover.
- 20 employees on average, down from 21 the year before.
- Balance sheets on record for 10 years, 2016 to 2025.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 31 Aug 2025 | £1.8M | £1.5M | £2.2M | £637K | 20 |
| 31 Aug 2024 | £2.5M | £2.5M | £3.3M | £1.1M | 21 |
| 31 Aug 2023 | £1.1M | £1.2M | £1.9M | £810K | 15 |
| 31 Aug 2022 | £410K | £117K | £200K | 13 | |
| 31 Aug 2021 | £431K | £477K | £143K | -7 | |
| 31 Aug 2020 | £143K | £206K | £102K | -6 | |
| 31 Aug 2019 | £84K | £43K | £102K | £94K | 4 |
| 31 Aug 2018 | £101K | £116K | £128K | £106K | 4 |
| 31 Aug 2017 | £21K | £99K | £149K | £174K | 4 |
| 31 Aug 2016 | £63K | £48K | £73K | £61K |
Where Pro Drainage Limited is registered
The registered office is in Wimborne (BH21), in the Dorset local authority area, South West. Show BH21 7SD on a map.
Other trade companies in BH21
- Highfield Venture LtdProperty developers
- The Knoll Venture LtdProperty developers
- MSGL Consultancy LtdProperty developers
- The Multi-Storey Group LtdProperty developers
- Oktay Shield Solutions LtdFinishing trades
- Green Space Grounds Care LtdLandscapers and gardeners
- Naku Developments LimitedProperty developers
- LFB Carpentry LimitedJoiners and carpenters
Also registered at this address
1 other company uses the same registered office as Pro Drainage Limited.
- Pro Drainage Supplies LtdPlumbers and heating engineers
What happens if Pro Drainage 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 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
- 09716578
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 4 August 2015 (11 years ago)
- Registered office
- Unit 7 Cedar Trade Park Cobham Road, Ferndown Industrial Estate, Wimborne, BH21 7SD
- Nature of business
- Plumbing, heat and air-conditioning installation (SIC 43220)
- Year end
- 31 August (accounting reference date)
- Accounts type
- Total exemption (full)
- Last accounts made up to
- 31 August 2025
- Last confirmation statement
- 8 April 2026
- Charges (mortgages)
- 1 outstanding of 1 registered
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 Wimborne
Other active plumbing and heating companies registered in Wimborne.
- Pro Drainage Supplies Ltd2018
- Pure Gas Heating Ltd2014
- Quinn's Heating Limited2003
- Redline Home Rescue Ltd2026
- Smart Septic Ltd2025
- South Coast Boiler Services Ltd2013
- South Coast Cooling Services Limited2026
- Southern Ltd2026
All plumbing and heating companies in Wimborne · All trades in Wimborne · Plumbers and heating engineers across the UK
Frequently asked questions
When are Pro Drainage Limited's accounts due?
Pro Drainage Limited's next accounts are due at Companies House by 31 May 2027 (in 230 days), covering the period to 31 August 2026.
When is Pro Drainage Limited'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 Pro Drainage Limited still trading?
Pro Drainage 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 Pro Drainage Limited do?
Pro Drainage Limited is registered under Plumbing, heat and air-conditioning installation (SIC 43220).
How old is Pro Drainage Limited?
Pro Drainage Limited was incorporated on 4 August 2015, 11 years ago.
What is the penalty if Pro Drainage 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 Pro Drainage 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.