- Companies
- Plumbers and heating engineers
- St Albans
- On Set Plumbing Ltd
On Set Plumbing Ltd
- Company number
- 17172283
- Incorporated
- 21 Apr 2026
- Registered office
- Tyttenhanger House, Coursers Road, St Albans, AL4 0PG
- Nature of business
- Plumbing, heat and air-conditioning installation
On Set Plumbing Ltd is a newly incorporated private limited company registered in St Albans, company number 17172283, one of 18 plumbing and heating companies in St Albans. Its next accounts are due at Companies House on 21 January 2028, and its first CT600 is due at HMRC on 20 April 2028.
Key dates
This company has not filed accounts yet. First accounts are due 21 months after incorporation, and the first period can run longer than a year.
Is this your company?
File the first accounts to Companies House and the CT600 to HMRC yourself with A.X.E.L Filing. One set of questions, both filings, £49 flat. No accountant, no subscription.
File for On Set Plumbing LtdOr get a reminder before each deadline
Free. We email you 60, 30, 14, 7 and 1 days before the accounts, CT600 and confirmation statement are due. Unsubscribe in one click.
Where On Set Plumbing Ltd is registered
The registered office is in St Albans (AL4), in the Hertsmere local authority area, East of England. Show AL4 0PG on a map.
Other trade companies in AL4
- Savanto LimitedMotor traders
- Smart Finishes LtdPlasterers
- Htandg (Community Services) LtdLandscapers and gardeners
- Block Fire LtdElectricians
- Legacy Outdoor Living LtdLandscapers and gardeners
- Tahir Waqas Construction UK LtdBuilders
- BT Bim LimitedSpecialist contractors
- J&K Property (Herts) LtdInstallers
Also registered at this address
1 other company uses the same registered office as On Set Plumbing Ltd.
- Smart Finishes LtdPlasterers
What happens if On Set Plumbing 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 21 January 2028.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 22 Jan 2028 to 21 Feb 2028 | £150 |
| 1 to 3 months late | 22 Feb 2028 to 21 Apr 2028 | £375 |
| 3 to 6 months late | 22 Apr 2028 to 21 Jul 2028 | £750 |
| More than 6 months late | From 22 Jul 2028 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 May 2028 | £200 |
| 3 months late | 30 Jul 2028 | another £200 |
| 6 months late | 30 Oct 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 30 Apr 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
- 17172283
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 21 April 2026
- Registered office
- Tyttenhanger House, Coursers Road, St Albans, AL4 0PG
- Nature of business
- Plumbing, heat and air-conditioning installation (SIC 43220)
- Year end
- 30 April (accounting reference date)
- Accounts type
- No accounts filed yet
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 St Albans
Other active plumbing and heating companies registered in St Albans.
- Priority Plumbers Ltd2013
- Star Air Conditioning Ltd2021
- V A Building Services Ltd2008
- Walsh Plumbing and Heating Ltd2017
- Watret & Co.Limited1971
- Af Clark Limited2011
- Always Plumbing Services Ltd2020
- Blue Flag Cooling Services Limited2009
All plumbing and heating companies in St Albans · All trades in St Albans · Plumbers and heating engineers across the UK
Frequently asked questions
When are On Set Plumbing Ltd's accounts due?
On Set Plumbing Ltd's next accounts are due at Companies House by 21 January 2028 (in 465 days), covering the period to 30 April 2027.
When is On Set Plumbing Ltd's CT600 due?
The first accounts cover more than 12 months, so there are two Company Tax Returns: one for the 12 months to 20 April 2027, due by 20 April 2028, and one for the period to 30 April 2027, due by 30 April 2028. Corporation tax is payable 9 months and 1 day after the end of each.
Is On Set Plumbing Ltd still trading?
On Set Plumbing 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 On Set Plumbing Ltd do?
On Set Plumbing Ltd is registered under Plumbing, heat and air-conditioning installation (SIC 43220).
How old is On Set Plumbing Ltd?
On Set Plumbing Ltd was incorporated on 21 April 2026, less than a year ago.
What is the penalty if On Set Plumbing 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 On Set Plumbing 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.