- Companies
- Plumbers and heating engineers
- Consett
- S O'Brien + Sons Plumbing and Heating Ltd
S O'Brien + Sons Plumbing and Heating Ltd
- Company number
- 10881680
- Incorporated
- 25 Jul 20179 years trading
- Registered office
- Wor Hoose Plot 4, The Closes Edmundbyers, Consett, Co Durham, DH8 9NH
- Nature of business
- Plumbing, heat and air-conditioning installation
S O'Brien + Sons Plumbing and Heating Ltd is a 9-year-old private limited company registered in Consett, company number 10881680, one of 28 plumbing and heating companies in Consett. Its next accounts are due at Companies House on 30 April 2027, and the CT600 for the period to 31 July 2026 is due at HMRC on 31 July 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 £2,221 (-6.9%) on the year before, to £30K.
- Net assets rose in 5 of 8 year-on-year comparisons on record.
- Current assets of £31K against £13K owed within a year: 2.4 times cover.
- No employees reported for the latest year (directors are often not counted as employees).
- Balance sheets on record for 9 years, 2018 to 2026.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 31 Jul 2026 | £30K | £31K | £13K | 0 | |
| 31 Jul 2025 | £32K | £6,558 | £24K | £4,489 | 0 |
| 31 Jul 2024 | £23K | £8,992 | £27K | £4,910 | 2 |
| 31 Jul 2023 | £9,877 | £12K | £13K | £4,228 | 2 |
| 31 Jul 2022 | £18K | £21K | £22K | £4,905 | 2 |
| 31 Jul 2021 | £19K | £21K | £22K | £5,568 | 2 |
| 31 Jul 2020 | £10K | £13K | £14K | £6,845 | 2 |
| 31 Jul 2019 | £8,660 | £9,846 | £11K | £4,921 | |
| 31 Jul 2018 | £6,703 | £13K | £14K | £12K |
Where S O'Brien + Sons Plumbing and Heating Ltd is registered
The registered office is in Consett (DH8), in the County Durham local authority area, North East. Show DH8 9NH on a map.
Other trade companies in DH8
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- Machine Service Solutions LtdMachinery repair and installation
- Ag Motors Ne LimitedMotor traders
- SWS Scaffolding Ne LimitedScaffolders
- GH Management and Operator Services North East LtdSpecialist contractors
- Avana Property Solutions LimitedProperty developers
- Promptech Mechanical LtdBuilders
- Kee Home Solutions LtdJoiners and carpenters
What happens if S O'Brien + Sons Plumbing and Heating 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 30 April 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 May 2027 to 31 May 2027 | £150 |
| 1 to 3 months late | 1 Jun 2027 to 31 Jul 2027 | £375 |
| 3 to 6 months late | 1 Aug 2027 to 31 Oct 2027 | £750 |
| More than 6 months late | From 1 Nov 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Aug 2027 | £200 |
| 3 months late | 31 Oct 2027 | another £200 |
| 6 months late | 31 Jan 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 Jul 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
- 10881680
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 25 July 2017 (9 years ago)
- Registered office
- Wor Hoose Plot 4, The Closes Edmundbyers, Consett, Co Durham, DH8 9NH
- Nature of business
- Plumbing, heat and air-conditioning installation (SIC 43220)
- Year end
- 31 July (accounting reference date)
- Accounts type
- Total exemption (full)
- Last accounts made up to
- 31 July 2025
- Last confirmation statement
- 21 July 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 Consett
Other active plumbing and heating companies registered in Consett.
- Shorco Mechanical Limited2021
- The Condensation Doctor Ltd2025
- Tob Renewables Ltd2024
- Transform Interiors Ne Ltd2025
- Whickham Plumbing and Heating Ltd2023
- Zenith Mechanical Services Limited2017
- A1 Ventilation Services Limited2017
- Aca Gas, Heating and Plumbing Ltd2021
All plumbing and heating companies in Consett · All trades in Consett · Plumbers and heating engineers across the UK
Frequently asked questions
When are S O'Brien + Sons Plumbing and Heating Ltd's accounts due?
S O'Brien + Sons Plumbing and Heating Ltd's next accounts are due at Companies House by 30 April 2027 (in 198 days), covering the period to 31 July 2026.
When is S O'Brien + Sons Plumbing and Heating Ltd's CT600 due?
The CT600 for the period to 31 July 2026 is due at HMRC by 31 July 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 May 2027.
Is S O'Brien + Sons Plumbing and Heating Ltd still trading?
S O'Brien + Sons Plumbing and Heating 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 S O'Brien + Sons Plumbing and Heating Ltd do?
S O'Brien + Sons Plumbing and Heating Ltd is registered under Plumbing, heat and air-conditioning installation (SIC 43220).
How old is S O'Brien + Sons Plumbing and Heating Ltd?
S O'Brien + Sons Plumbing and Heating Ltd was incorporated on 25 July 2017, 9 years ago.
What is the penalty if S O'Brien + Sons Plumbing and Heating 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 S O'Brien + Sons Plumbing and Heating 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.