- Companies
- Plumbers and heating engineers
- Worthing
- Smyth Mechanical Ltd
Smyth Mechanical Ltd
- Company number
- 16264461
- Incorporated
- 19 Feb 20251 year trading
- Registered office
- Wiston House, 1 Wiston Avenue, Worthing, West Sussex, BN14 7QL
- Nature of business
- Plumbing, heat and air-conditioning installation
Smyth Mechanical Ltd is a 1-year-old private limited company registered in Worthing, company number 16264461, one of 94 plumbing and heating companies in Worthing. Its next accounts are due at Companies House on 30 November 2027, and the CT600 for the period to 28 February 2027 is due at HMRC on 28 February 2028.
Key dates
Worked out from the year end and filing history on the Companies House register.
Is this your company?
File the 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 Smyth Mechanical 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.
Financial snapshot, 2026
From the balance sheet at 28 February 2026, as filed at Companies House.
Where Smyth Mechanical Ltd is registered
The registered office is in Worthing (BN14), in the Worthing local authority area, South East. Show BN14 7QL on a map.
Other trade companies in BN14
- Vision Saunas LtdBuilders
- Southern Roof Repairs LtdRoofers
- Onspot Plumbing & Heating LtdPlumbers and heating engineers
- The Chisnall Group LtdBuilders
- GB Steeplejacks LtdSpecialist contractors
- Ty Cleaning Solutions LtdCleaning companies
- Boldbakers LimitedCleaning companies
- Our Property UK Solutions LtdProperty developers
Shared registered office
56 companies on our pages use this registered office address. An address shared this widely is usually an accountant's office or a company formation agent's service address, not where the business trades from.
What happens if Smyth Mechanical 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 November 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Dec 2027 to 31 Dec 2027 | £150 |
| 1 to 3 months late | 1 Jan 2028 to 29 Feb 2028 | £375 |
| 3 to 6 months late | 1 Mar 2028 to 31 May 2028 | £750 |
| More than 6 months late | From 1 Jun 2028 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 29 Feb 2028 | £200 |
| 3 months late | 28 May 2028 | another £200 |
| 6 months late | 28 Aug 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 28 Feb 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
- 16264461
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 19 February 2025 (1 year ago)
- Registered office
- Wiston House, 1 Wiston Avenue, Worthing, West Sussex, BN14 7QL
- Nature of business
- Plumbing, heat and air-conditioning installation (SIC 43220)
- Year end
- 28 February (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 28 February 2026
- Last confirmation statement
- 30 October 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 Worthing
Other active plumbing and heating companies registered in Worthing.
- Stephen Charman Limited2003
- Surefix Group 24/7 Ltd2025
- Sussex Renewable Heating Ltd2023
- TDHC Heating Limited2017
- Thameswood Engineering Ltd2026
- Vincent Aprax Ltd2012
- Ward Gas Services Limited1992
- Worthing Plumbing & Heating Limited2011
All plumbing and heating companies in Worthing · All trades in Worthing · Plumbers and heating engineers across the UK
Frequently asked questions
When are Smyth Mechanical Ltd's accounts due?
Smyth Mechanical Ltd's next accounts are due at Companies House by 30 November 2027 (in 414 days), covering the period to 28 February 2027.
When is Smyth Mechanical Ltd's CT600 due?
The CT600 for the period to 28 February 2027 is due at HMRC by 28 February 2028, 12 months after the period end. The corporation tax itself is payable earlier, by 1 December 2027.
Is Smyth Mechanical Ltd still trading?
Smyth Mechanical 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 Smyth Mechanical Ltd do?
Smyth Mechanical Ltd is registered under Plumbing, heat and air-conditioning installation (SIC 43220).
How old is Smyth Mechanical Ltd?
Smyth Mechanical Ltd was incorporated on 19 February 2025, 1 year ago.
What is the penalty if Smyth Mechanical 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 Smyth Mechanical 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.