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- Carshalton
- Osm Pipework Ltd
Company profile · Plumbers and heating engineers
Osm Pipework Ltd
Osm Pipework Ltd is a 2-year-old private limited company registered in Carshalton, company number 15297075, one of 35 plumbing and heating companies in Carshalton. Its next accounts are due at Companies House on 31 July 2027, and the CT600 for the period to 31 October 2026 is due at HMRC on 31 October 2027.
Key dates
Worked out from the year end and filing history on the Companies House register.
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Financial snapshot, 2025
From the balance sheet at 31 October 2025, as filed at Companies House.
Osm Pipework Ltd over the years
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 £58K (+110%) on the year before, to £111K.
- Current assets of £141K against £34K owed within a year: 4.2 times cover.
- 3 employees on average, up from 1 the year before.
- Balance sheets on record for 2 years, 2024 to 2025.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 31 Oct 2025 | £111K | £51K | £141K | £34K | 3 |
| 31 Oct 2024 | £53K | £3,859 | £74K | £26K | 1 |
Where Osm Pipework Ltd is registered
The registered office is in Carshalton (SM5), in the Sutton local authority area, London. Show SM5 3NP on a map.
Other trade companies in SM5
- Rich Detailz LtdMechanics and garages
- Sutton Motor and Garage LtdMechanics and garages
- Ecobuild Plumbing & Heating LtdPlumbers and heating engineers
- Aaircon Services LtdPlumbers and heating engineers
- Perthy Properties (Greenhills) LimitedProperty developers
- Jophp LimitedCleaning companies
- Pro-Type Roofing LtdRoofers
- Mic Cleaning LimitedCleaning companies
Also registered at this address
9 other companies use the same registered office as Osm Pipework Ltd.
- A & A Jet Company LimitedProperty developers
- Aj Cars LimitedMechanics and garages
- Charged London LtdElectricians
- Eleven London LimitedSpecialist contractors
- Helios Capital Investment LtdProperty developers
- London Pipefitting LimitedPlumbers and heating engineers
- Octa Automotive LtdMotor traders
- The Crew Refrigeration Services LtdMachinery repair and installation
- Touchstone (Surrey) LtdProperty developers
What happens if Osm Pipework 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 31 July 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Aug 2027 to 31 Aug 2027 | £150 |
| 1 to 3 months late | 1 Sep 2027 to 31 Oct 2027 | £375 |
| 3 to 6 months late | 1 Nov 2027 to 31 Jan 2028 | £750 |
| More than 6 months late | From 1 Feb 2028 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Nov 2027 | £200 |
| 3 months late | 31 Jan 2028 | another £200 |
| 6 months late | 30 Apr 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 Oct 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
- 15297075
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 20 November 2023 (2 years ago)
- Registered office
- 69 Banstead Road, Carshalton, SM5 3NP
- Nature of business
- Plumbing, heat and air-conditioning installation (SIC 43220)
- Year end
- 31 October (accounting reference date)
- Accounts type
- Unaudited abridged
- Last accounts made up to
- 31 October 2025
- Last confirmation statement
- 19 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 Carshalton
Other active plumbing and heating companies registered in Carshalton.
- P&G Heating and Plumbing Ltd2020
- Partridge Heating &Plumbing Ltd2026
- Raymond Gas Expert Limited2026
- Reliable Heating & Plumbing Limited2025
- SB Plumbheat Ltd2025
- SM Gas & Plumbing Solutions Ltd2018
- TH Waldens Limited2012
- TJF Plumbing & Heating Ltd2025
All plumbing and heating companies in Carshalton · All trades in Carshalton · Plumbers and heating engineers across the UK
Frequently asked questions
When are Osm Pipework Ltd's accounts due?
Osm Pipework Ltd's next accounts are due at Companies House by 31 July 2027 (in 292 days), covering the period to 31 October 2026.
When is Osm Pipework Ltd's CT600 due?
The CT600 for the period to 31 October 2026 is due at HMRC by 31 October 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 August 2027.
Is Osm Pipework Ltd still trading?
Osm Pipework 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 Osm Pipework Ltd do?
Osm Pipework Ltd is registered under Plumbing, heat and air-conditioning installation (SIC 43220).
How old is Osm Pipework Ltd?
Osm Pipework Ltd was incorporated on 20 November 2023, 2 years ago.
What is the penalty if Osm Pipework 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 Osm Pipework 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.