- Companies
- Plumbers and heating engineers
- Kettering
- Thorough Plumber Limited
Thorough Plumber Limited
- Company number
- 09857262
- Incorporated
- 4 Nov 201510 years trading
- Registered office
- 30 Shelley Road, Kettering, NN16 9LD
- Nature of business
- Plumbing, heat and air-conditioning installation
Thorough Plumber Limited is a 10-year-old private limited company registered in Kettering, company number 09857262, one of 89 plumbing and heating companies in Kettering. Its next accounts are due at Companies House on 31 December 2026, and its first CT600 is due at HMRC on 30 November 2026.
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 £4,118 (-30.9%) on the year before, to £9,190.
- Net assets rose in 3 of 8 year-on-year comparisons on record.
- Current assets of £19K against £5,071 owed within a year: 3.7 times cover.
- 1 employee on average during the year.
- Balance sheets on record for 9 years, 2016 to 2024.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 30 Nov 2024 | £9,190 | £19K | £5,071 | 1 | |
| 30 Nov 2023 | £13K | £28K | £8,905 | 1 | |
| 30 Nov 2022 | £9 | £16K | £10K | 1 | |
| 30 Nov 2021 | £295 | £2,195 | £2,000 | 1 | |
| 30 Nov 2020 | £6,783 | £24K | £6,863 | 1 | |
| 30 Nov 2019 | £13K | £19K | £4,250 | 1 | |
| 30 Nov 2018 | -£13K | -£13K | £1,428 | ||
| 30 Nov 2017 | £12K | £13K | £789 | ||
| 30 Nov 2016 | £6,979 | £9,689 | £2,710 |
Where Thorough Plumber Limited is registered
The registered office is in Kettering (NN16), in the North Northamptonshire local authority area, East Midlands. Show NN16 9LD on a map.
Other trade companies in NN16
- Prime Property Care and Maintenance LtdCleaning companies
- Gladuneac Engine Services LtdMechanics and garages
- Apa Repair LtdMechanics and garages
- Todd Security Access Fire & Electrical LtdElectricians
- De-Harris Construction LtdBuilders
- Hagutter Cleaning Services LtdCleaning companies
- Aha Scaffolding Services LimitedScaffolders
- Lester Rowe Polishing LtdMechanics and garages
What happens if Thorough Plumber 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
- 09857262
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 4 November 2015 (10 years ago)
- Registered office
- 30 Shelley Road, Kettering, NN16 9LD
- Nature of business
- Plumbing, heat and air-conditioning installation (SIC 43220)
- Year end
- 31 March (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 30 November 2024
- Last confirmation statement
- 18 November 2025
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 Kettering
Other active plumbing and heating companies registered in Kettering.
- Turner Plumbing and Heating Limited2023
- Ufo Services Ltd2025
- UK-CNN Ltd2014
- Ullswater Heating Limited2026
- Wills Fire Limited2023
- Wjmartin Plumbing & Heating Limited2025
- 365 Elite Gas and Heat Limited2021
- A G Freezing and Cooling Ltd2018
All plumbing and heating companies in Kettering · All trades in Kettering · Plumbers and heating engineers across the UK
Frequently asked questions
When are Thorough Plumber Limited's accounts due?
Thorough Plumber Limited's next accounts are due at Companies House by 31 December 2026 (in 80 days), covering the period to 31 March 2026.
When is Thorough Plumber 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 30 November 2025, due by 30 November 2026, and one for the period to 31 March 2026, due by 31 March 2027. Corporation tax is payable 9 months and 1 day after the end of each.
Is Thorough Plumber Limited still trading?
Thorough Plumber 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 Thorough Plumber Limited do?
Thorough Plumber Limited is registered under Plumbing, heat and air-conditioning installation (SIC 43220).
How old is Thorough Plumber Limited?
Thorough Plumber Limited was incorporated on 4 November 2015, 10 years ago.
What is the penalty if Thorough Plumber 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 Thorough Plumber 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.