- Companies
- Joiners and carpenters
- Amersham
- JSB & Son Limited
JSB & Son Limited
- Company number
- 17133426
- Incorporated
- 2 Apr 2026
- Registered office
- 38 Grove Road, Amersham, Bucks, HP6 6NE
- Nature of business
- Joinery installation; Glazing
JSB & Son Limited is a newly incorporated private limited company registered in Amersham, company number 17133426, one of the UK's joinery companies. Its next accounts are due at Companies House on 31 December 2027, and the CT600 for the period to 31 March 2027 is due at HMRC on 31 March 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 JSB & Son Limited is registered
The registered office is in Amersham (HP6), in the Buckinghamshire local authority area, South East. Show HP6 6NE on a map.
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What happens if JSB & Son 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 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Jan 2028 to 31 Jan 2028 | £150 |
| 1 to 3 months late | 1 Feb 2028 to 31 Mar 2028 | £375 |
| 3 to 6 months late | 1 Apr 2028 to 30 Jun 2028 | £750 |
| More than 6 months late | From 1 Jul 2028 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Apr 2028 | £200 |
| 3 months late | 30 Jun 2028 | another £200 |
| 6 months late | 30 Sep 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 Mar 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
- 17133426
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 2 April 2026
- Registered office
- 38 Grove Road, Amersham, Bucks, HP6 6NE
- Nature of business
- Joinery installation (SIC 43320)
Glazing (SIC 43342) - Year end
- 31 March (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 Amersham
Other active joinery companies registered in Amersham.
All joinery companies in Amersham · All trades in Amersham · Joiners and carpenters across the UK
Frequently asked questions
When are JSB & Son Limited's accounts due?
JSB & Son Limited's next accounts are due at Companies House by 31 December 2027 (in 444 days), covering the period to 31 March 2027.
When is JSB & Son Limited's CT600 due?
The CT600 for the period to 31 March 2027 is due at HMRC by 31 March 2028, 12 months after the period end. The corporation tax itself is payable earlier, by 1 January 2028.
Is JSB & Son Limited still trading?
JSB & Son 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 JSB & Son Limited do?
JSB & Son Limited is registered under Joinery installation (SIC 43320); Glazing (SIC 43342).
How old is JSB & Son Limited?
JSB & Son Limited was incorporated on 2 April 2026, less than a year ago.
What is the penalty if JSB & Son 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 JSB & Son 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.