- Company number
- 01998167
- Incorporated
- 11 Mar 198640 years trading
- Registered office
- Cornwall Wharf, Wharf Road Riverside, Gravesend, Kent, DA12 2RU
- Nature of business
- Construction of commercial buildings
Semec Engineering Limited is a 40-year-old private limited company registered in Gravesend, company number 01998167, one of 250 building contractors in Gravesend. Its next accounts are due at Companies House on 31 January 2027, and the CT600 for the period to 30 April 2026 is due at HMRC on 30 April 2027.
Key dates
Worked out from the year end and filing history on the Companies House register.
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Where Semec Engineering Limited is registered
The registered office is in Gravesend (DA12), in the Gravesham local authority area, South East. Show DA12 2RU on a map.
Other trade companies in DA12
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- Mech Elec LtdSpecialist contractors
- Ground Forces Construct LtdBuilders
- XL@Cleaning LimitedCleaning companies
- Signature Group Air Conditioning LtdPlumbers and heating engineers
- VS Sekhon LtdFloor and wall tilers
- Kapoor Construction LtdBuilders
- Double D Maintain LtdSpecialist contractors
What happens if Semec Engineering Limited 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 January 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Feb 2027 to 28 Feb 2027 | £150 |
| 1 to 3 months late | 1 Mar 2027 to 30 Apr 2027 | £375 |
| 3 to 6 months late | 1 May 2027 to 31 Jul 2027 | £750 |
| More than 6 months late | From 1 Aug 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 May 2027 | £200 |
| 3 months late | 30 Jul 2027 | another £200 |
| 6 months late | 30 Oct 2027 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 30 Apr 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
- 01998167
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 11 March 1986 (40 years ago)
- Registered office
- Cornwall Wharf, Wharf Road Riverside, Gravesend, Kent, DA12 2RU
- Nature of business
- Construction of commercial buildings (SIC 41201)
- Year end
- 30 April (accounting reference date)
- Accounts type
- Total exemption (full)
- Last accounts made up to
- 30 April 2025
- Last confirmation statement
- 11 January 2026
- Charges (mortgages)
- 0 outstanding of 1 registered
Filing notes for building contractors
Building companies often run the Construction Industry Scheme as a contractor, a subcontractor or both. CIS deductions suffered during the year are set against the PAYE bill, and any unrecovered balance at the year end matters when the accounts are drawn up.
Similar companies in Gravesend
Other active building contractors registered in Gravesend.
- Signature Group Heating and Plumbing Ltd2026
- SJS Solutions Ltd Ltd2026
- SK Crew Services Ltd2026
- Skillworkz Ltd2022
- Solid Premier Construction Ltd2025
- Spec Gas-Electrics and Facilities Management Limited2021
- SS Contraction Limited Limited2025
- Stat Contractors Ltd2020
All building contractors in Gravesend · All trades in Gravesend · Builders across the UK
Frequently asked questions
When are Semec Engineering Limited's accounts due?
Semec Engineering Limited's next accounts are due at Companies House by 31 January 2027 (in 111 days), covering the period to 30 April 2026.
When is Semec Engineering Limited's CT600 due?
The CT600 for the period to 30 April 2026 is due at HMRC by 30 April 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 February 2027.
Is Semec Engineering Limited still trading?
Semec Engineering Limited 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 Semec Engineering Limited do?
Semec Engineering Limited is registered under Construction of commercial buildings (SIC 41201).
How old is Semec Engineering Limited?
Semec Engineering Limited was incorporated on 11 March 1986, 40 years ago.
What is the penalty if Semec Engineering Limited 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 Semec Engineering Limited 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.