- Companies
- Installers
- Worthing
- Summit Mechanical Ltd
Summit Mechanical Ltd
- Company number
- 16442191
- Incorporated
- 10 May 20251 year trading
- Registered office
- 2 Southfield Road, Worthing, BN14 9EH
- Nature of business
- Other construction installation
Summit Mechanical Ltd is a 1-year-old private limited company registered in Worthing, company number 16442191, one of 49 installation companies (insulation, lifts, shutters and similar) in Worthing. Its next accounts are due at Companies House on 10 February 2027, and its first CT600 is due at HMRC on 9 May 2027.
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.
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Where Summit Mechanical Ltd is registered
The registered office is in Worthing (BN14), in the Worthing local authority area, South East. Show BN14 9EH 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
What happens if Summit 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 10 February 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 11 Feb 2027 to 10 Mar 2027 | £150 |
| 1 to 3 months late | 11 Mar 2027 to 10 May 2027 | £375 |
| 3 to 6 months late | 11 May 2027 to 10 Aug 2027 | £750 |
| More than 6 months late | From 11 Aug 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Jun 2027 | £200 |
| 3 months late | 31 Aug 2027 | another £200 |
| 6 months late | 30 Nov 2027 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 May 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
- 16442191
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 10 May 2025 (1 year ago)
- Registered office
- 2 Southfield Road, Worthing, BN14 9EH
- Nature of business
- Other construction installation (SIC 43290)
- Year end
- 31 May (accounting reference date)
- Accounts type
- No accounts filed yet
- Last confirmation statement
- 9 May 2026
Filing notes for installation companies (insulation, lifts, shutters and similar)
Installation companies (insulation, lifts, shutters, solar and similar) often buy stock and equipment up front, so stock at the year end and capital allowances both affect the tax bill.
Similar companies in Worthing
Other active installation companies (insulation, lifts, shutters and similar) registered in Worthing.
- Tec Projects Ltd2009
- The Green Oak Building Company Ltd2013
- The Nowlan Project Limited2014
- TMH Property Maintenance Limited2007
- Worthing Windows (Sussex) Limited1995
- A & J (Sussex) Ltd2021
- A N Carpentry & Construction Limited2022
- A&S Sussex Ltd2019
All installation companies (insulation, lifts, shutters and similar) in Worthing · All trades in Worthing · Installers across the UK
Frequently asked questions
When are Summit Mechanical Ltd's accounts due?
Summit Mechanical Ltd's next accounts are due at Companies House by 10 February 2027 (in 121 days), covering the period to 31 May 2026.
When is Summit Mechanical 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 9 May 2026, due by 9 May 2027, and one for the period to 31 May 2026, due by 31 May 2027. Corporation tax is payable 9 months and 1 day after the end of each.
Is Summit Mechanical Ltd still trading?
Summit 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 Summit Mechanical Ltd do?
Summit Mechanical Ltd is registered under Other construction installation (SIC 43290).
How old is Summit Mechanical Ltd?
Summit Mechanical Ltd was incorporated on 10 May 2025, 1 year ago.
What is the penalty if Summit 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 Summit 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.