- Companies
- Joiners and carpenters
- Barnet
- Hammerhead Construction Ltd
Hammerhead Construction Ltd
- Company number
- 16780548
- Incorporated
- 13 Oct 2025
- Registered office
- C/O Connect Accounting LLP Rear of Raydean House, 15 Western Parade, Barnet, Herts, EN5 1AH
- Nature of business
- Joinery installation
Hammerhead Construction Ltd is a newly incorporated private limited company registered in Barnet, company number 16780548, one of 21 joinery companies in Barnet. Its next accounts are due at Companies House on 13 July 2027, and its first CT600 is due at HMRC on 12 October 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 Hammerhead Construction Ltd is registered
The registered office is in Barnet (EN5), in the Barnet local authority area, London. Show EN5 1AH on a map.
Other trade companies in EN5
- Paysa Gas LtdPlumbers and heating engineers
- Greatway Business LtdInstallers
- Je Mobile Tyres LtdMechanics and garages
- Barnet Air LtdPlumbers and heating engineers
- Hutch Electrical LtdElectricians
- Nexflow Mechanical LtdSpecialist contractors
- A J Plant LtdMotor traders
- Plumbing365 LtdPlumbers and heating engineers
Also registered at this address
14 other companies use the same registered office as Hammerhead Construction Ltd.
- B&S Services LtdInstallers
- Design & Model LtdFacilities management
- Efficient Group Projects LimitedProperty developers
- Film Set Productions LtdJoiners and carpenters
- Freed Services LtdElectricians
- Hutch Electrical LtdElectricians
- JVMS LimitedMotor traders
- LC Squared Electricals UK LtdElectricians
- Luton Professional Cleaning Co LtdCleaning companies
- Masterdent LimitedMechanics and garages
- TSS Landscaping LtdLandscapers and gardeners
- Tuono Tech Services LtdElectricians
- West Surrey Motorcycles LimitedMotor traders
- Woodtown LtdJoiners and carpenters
What happens if Hammerhead Construction 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 13 July 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 14 Jul 2027 to 13 Aug 2027 | £150 |
| 1 to 3 months late | 14 Aug 2027 to 13 Oct 2027 | £375 |
| 3 to 6 months late | 14 Oct 2027 to 13 Jan 2028 | £750 |
| More than 6 months late | From 14 Jan 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
- 16780548
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 13 October 2025
- Registered office
- C/O Connect Accounting LLP Rear of Raydean House, 15 Western Parade, Barnet, Herts, EN5 1AH
- Nature of business
- Joinery installation (SIC 43320)
- Year end
- 31 October (accounting reference date)
- Accounts type
- No accounts filed yet
Filing notes for joinery companies
Joinery companies can carry stock and work in progress at the year end, especially bespoke workshop work, and that figure moves the profit for the year.
Similar companies in Barnet
Other active joinery companies registered in Barnet.
- Harry Durham Construction Ltd2019
- Heritage Carpentry Contractors Limited1998
- Isovistainsulation Ltd2017
- Laibeth Set Build Ltd2025
- Mays Way Ltd2009
- RNG Drylining Ltd2011
- Roc Installations Limited2014
- Salvatore London Ltd2022
All joinery companies in Barnet · All trades in Barnet · Joiners and carpenters across the UK
Frequently asked questions
When are Hammerhead Construction Ltd's accounts due?
Hammerhead Construction Ltd's next accounts are due at Companies House by 13 July 2027 (in 274 days), covering the period to 31 October 2026.
When is Hammerhead Construction 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 12 October 2026, due by 12 October 2027, and one for the period to 31 October 2026, due by 31 October 2027. Corporation tax is payable 9 months and 1 day after the end of each.
Is Hammerhead Construction Ltd still trading?
Hammerhead Construction 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 Hammerhead Construction Ltd do?
Hammerhead Construction Ltd is registered under Joinery installation (SIC 43320).
How old is Hammerhead Construction Ltd?
Hammerhead Construction Ltd was incorporated on 13 October 2025, less than a year ago.
What is the penalty if Hammerhead Construction 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 Hammerhead Construction 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.