- Company number
- 16371464
- Incorporated
- 7 Apr 20251 year trading
- Registered office
- 24 Elm Park, Worthing, West Sussex, BN12 5RW
- Nature of business
- Construction of domestic buildings
Blyth Development Group Limited is a 1-year-old private limited company registered in Worthing, company number 16371464, one of 124 building contractors in Worthing. Its next accounts are due at Companies House on 31 December 2026, and the CT600 for the period to 31 March 2026 is due at HMRC on 31 March 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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Financial snapshot, 2026
From the balance sheet at 31 March 2026, as filed at Companies House.
Where Blyth Development Group Limited is registered
The registered office is in Worthing (BN12), in the Arun local authority area, South East. Show BN12 5RW on a map.
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What happens if Blyth Development Group 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 December 2026.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Jan 2027 to 31 Jan 2027 | £150 |
| 1 to 3 months late | 1 Feb 2027 to 31 Mar 2027 | £375 |
| 3 to 6 months late | 1 Apr 2027 to 30 Jun 2027 | £750 |
| More than 6 months late | From 1 Jul 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Apr 2027 | £200 |
| 3 months late | 30 Jun 2027 | another £200 |
| 6 months late | 30 Sep 2027 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 Mar 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
- 16371464
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 7 April 2025 (1 year ago)
- Registered office
- 24 Elm Park, Worthing, West Sussex, BN12 5RW
- Nature of business
- Construction of domestic buildings (SIC 41202)
- Year end
- 31 March (accounting reference date)
- Accounts type
- No accounts filed yet
- Last confirmation statement
- 6 April 2026
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 Worthing
Other active building contractors registered in Worthing.
- Bright Eco Construction Ltd2024
- Brighton Builders Limited2003
- Brotan (Wickford) Limited1996
- Build and Co Group Ltd2026
- Building Dream Home Limited2026
- Careful Home Renovations Ltd2026
- Carringwood Limited1992
- CGM Developments Limited2025
All building contractors in Worthing · All trades in Worthing · Builders across the UK
Frequently asked questions
When are Blyth Development Group Limited's accounts due?
Blyth Development Group Limited's next accounts are due at Companies House by 31 December 2026 (in 80 days), covering the period to 31 March 2026.
When is Blyth Development Group Limited's CT600 due?
The CT600 for the period to 31 March 2026 is due at HMRC by 31 March 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 January 2027.
Is Blyth Development Group Limited still trading?
Blyth Development Group 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 Blyth Development Group Limited do?
Blyth Development Group Limited is registered under Construction of domestic buildings (SIC 41202).
How old is Blyth Development Group Limited?
Blyth Development Group Limited was incorporated on 7 April 2025, 1 year ago.
What is the penalty if Blyth Development Group 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 Blyth Development Group 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.