- Company number
- 17294613
- Incorporated
- 22 Jun 2026
- Registered office
- 2 ST. Georges Road, Brighton, BN2 1EB
- Nature of business
- Construction of domestic buildings
Sec BTN Ltd is a newly incorporated private limited company registered in Brighton, company number 17294613, one of 191 building contractors in Brighton. Its next accounts are due at Companies House on 22 March 2028, and its first CT600 is due at HMRC on 21 June 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?
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Where Sec BTN Ltd is registered
The registered office is in Brighton (BN2), in the Brighton and Hove local authority area, South East. Show BN2 1EB on a map.
Other trade companies in BN2
- All Roofing and Lead Work LtdRoofers
- Brighton Tyres & Services LtdMechanics and garages
- Quick Tyres & Service LtdMechanics and garages
- Alc Electrical LtdElectricians
- HG Electrical Contractors BTN LtdElectricians
- LT Building Specialists LtdBuilders
- Ab Estimating & Property Services LtdFinishing trades
- Simmos Roofing & Building LtdBuilders
What happens if Sec BTN 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 22 March 2028.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 23 Mar 2028 to 22 Apr 2028 | £150 |
| 1 to 3 months late | 23 Apr 2028 to 22 Jun 2028 | £375 |
| 3 to 6 months late | 23 Jun 2028 to 22 Sep 2028 | £750 |
| More than 6 months late | From 23 Sep 2028 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Jul 2028 | £200 |
| 3 months late | 30 Sep 2028 | another £200 |
| 6 months late | 30 Dec 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 30 Jun 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
- 17294613
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 22 June 2026
- Registered office
- 2 ST. Georges Road, Brighton, BN2 1EB
- Nature of business
- Construction of domestic buildings (SIC 41202)
- Year end
- 30 June (accounting reference date)
- Accounts type
- No accounts filed yet
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 Brighton
Other active building contractors registered in Brighton.
- Seven Oaks Services Ltd2018
- Sevenbuild Limited1983
- SHJ Construction Ltd2014
- Simmos Roofing & Building Ltd2026
- SJH Construction Services Limited2022
- Spectrum Building Team Ltd2020
- ST. Mary's Homes Ltd.1994
- Stag Construction Services Limited2016
All building contractors in Brighton · All trades in Brighton · Builders across the UK
Frequently asked questions
When are Sec BTN Ltd's accounts due?
Sec BTN Ltd's next accounts are due at Companies House by 22 March 2028 (in 526 days), covering the period to 30 June 2027.
When is Sec BTN 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 21 June 2027, due by 21 June 2028, and one for the period to 30 June 2027, due by 30 June 2028. Corporation tax is payable 9 months and 1 day after the end of each.
Is Sec BTN Ltd still trading?
Sec BTN 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 Sec BTN Ltd do?
Sec BTN Ltd is registered under Construction of domestic buildings (SIC 41202).
How old is Sec BTN Ltd?
Sec BTN Ltd was incorporated on 22 June 2026, less than a year ago.
What is the penalty if Sec BTN 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 Sec BTN 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.