- Companies
- Plumbers and heating engineers
- Plymouth
- O & S Plumbing and Heating Ltd
O & S Plumbing and Heating Ltd
- Company number
- 09035646
- Incorporated
- 12 May 201412 years trading
- Registered office
- Harscombe House 1 Darklake View, Estover, Plymouth, Devon, PL6 7TL
- Nature of business
- Plumbing, heat and air-conditioning installation
O & S Plumbing and Heating Ltd is a 12-year-old private limited company registered in Plymouth, company number 09035646, one of 136 plumbing and heating companies in Plymouth. Its next accounts are due at Companies House on 29 February 2028, and the CT600 for the period to 31 May 2027 is due at HMRC on 31 May 2028.
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 up £5,737 (+70.9%) on the year before, to -£2,350.
- Net assets rose in 4 of 9 year-on-year comparisons on record.
- Current assets of £51K against £60K owed within a year: 0.8 times cover.
- 6 employees on average during the year.
- Balance sheets on record for 10 years, 2017 to 2026.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 31 May 2026 | -£2,350 | £51K | £60K | 6 | |
| 31 May 2025 | -£8,087 | £28K | £47K | 6 | |
| 31 May 2024 | -£6,213 | £34K | £33K | 6 | |
| 31 May 2023 | £1,208 | £42K | £30K | 6 | |
| 31 May 2022 | £4,262 | £49K | £31K | 6 | |
| 31 May 2021 | £1,068 | £59K | £40K | 4 | |
| 31 May 2020 | £104 | £23K | £54K | 4 | |
| 31 May 2019 | £3,043 | £11K | £46K | ||
| 31 May 2018 | £10K | £14K | £48K | ||
| 31 May 2017 | £4,337 | £3,049 | £49K |
Where O & S Plumbing and Heating Ltd is registered
The registered office is in Plymouth (PL6), in the Plymouth local authority area, South West. Show PL6 7TL on a map.
Other trade companies in PL6
- Transit Garage SW LimitedMechanics and garages
- Drilling Consultants LimitedCivil engineering
- A-Frame Scaffolding LimitedScaffolders
- SW Plantroom Partners LtdPlumbers and heating engineers
- Trueline (SW) LtdJoiners and carpenters
- Prime Plumbing & Heating SW LtdPlumbers and heating engineers
- New Cut Carpentry LimitedJoiners and carpenters
- Sos 360 LtdBuilders
Also registered at this address
15 other companies use the same registered office as O & S Plumbing and Heating Ltd.
- C D C Groundworks LtdCivil engineering
- Clutch Care Centre LimitedMechanics and garages
- Hyde Park Cars (Plymouth) LimitedMotor traders
- J Clifton Plumbing & Heating LimitedPlumbers and heating engineers
- M M Hamilton LimitedInstallers
- Matthew Kitchen Bodywork LtdMachinery repair and installation
- Mercury Construction (South West) LimitedFinishing trades
- Modbox Developments LimitedBuilders
- Nelsons Cars LtdMotor traders
- Passive Fire Services LtdSpecialist contractors
- PW Building & Roofing LimitedFinishing trades
- R. & S. Motors LimitedMotor traders
- Wallsend Estates LimitedProperty developers
- Yealm Motor Services LimitedMechanics and garages
- Zeath @ the Bay LimitedBuilders
What happens if O & S 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 29 February 2028.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Mar 2028 to 31 Mar 2028 | £150 |
| 1 to 3 months late | 1 Apr 2028 to 31 May 2028 | £375 |
| 3 to 6 months late | 1 Jun 2028 to 31 Aug 2028 | £750 |
| More than 6 months late | From 1 Sep 2028 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Jun 2028 | £200 |
| 3 months late | 31 Aug 2028 | another £200 |
| 6 months late | 30 Nov 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 May 2029 | 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
- 09035646
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 12 May 2014 (12 years ago)
- Registered office
- Harscombe House 1 Darklake View, Estover, Plymouth, Devon, PL6 7TL
- Nature of business
- Plumbing, heat and air-conditioning installation (SIC 43220)
- Year end
- 31 May (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 31 May 2026
- Last confirmation statement
- 12 May 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 Plymouth
Other active plumbing and heating companies registered in Plymouth.
- Ocean City Heating Ltd2022
- On Plumbing & Heating Services Ltd2022
- P F Industries Ltd2015
- PB Pharm Ltd2023
- Peregrine Property Services Ltd2016
- Plymouth Gas Services Ltd2022
- Plymouth Reactive Works Ltd2025
- Plymplumb Ltd2025
All plumbing and heating companies in Plymouth · All trades in Plymouth · Plumbers and heating engineers across the UK
Frequently asked questions
When are O & S Plumbing and Heating Ltd's accounts due?
O & S Plumbing and Heating Ltd's next accounts are due at Companies House by 29 February 2028 (in 504 days), covering the period to 31 May 2027.
When is O & S Plumbing and Heating Ltd's CT600 due?
The CT600 for the period to 31 May 2027 is due at HMRC by 31 May 2028, 12 months after the period end. The corporation tax itself is payable earlier, by 1 March 2028.
Is O & S Plumbing and Heating Ltd still trading?
O & S 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 O & S Plumbing and Heating Ltd do?
O & S Plumbing and Heating Ltd is registered under Plumbing, heat and air-conditioning installation (SIC 43220).
How old is O & S Plumbing and Heating Ltd?
O & S Plumbing and Heating Ltd was incorporated on 12 May 2014, 12 years ago.
What is the penalty if O & S 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 O & S 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.