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RKB Carpentry & Locksmiths Ltd

ActiveMicro-entity accountsJoiners and carpentersKing's Lynn
Company number
15257568
Incorporated
3 Nov 20232 years trading
Registered office
22-26 King Street, King's Lynn, Norfolk, PE30 1HJ
Nature of business
Joinery installation; Security systems service activities
Accounts due in
445 days
31 Dec 2027
Net assets
£179K▲
+29.4% on the year before
Employees
2
Average during the year
From the Companies House register, 1 Oct 2026

RKB Carpentry & Locksmiths Ltd is a 2-year-old private limited company registered in King's Lynn, company number 15257568, one of 16 joinery companies in King's Lynn. 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

Worked out from the year end and filing history on the Companies House register.

Accounts due
31 Dec 2027
in 445 days
For the period to 31 Mar 2027
CT600 due
31 Mar 2028
in 536 days
Period 1 Apr 2026 to 31 Mar 2027
Corporation tax payment
1 Jan 2028
in 446 days
9 months and 1 day after the period end
Confirmation statement
16 Nov 2026
in 35 days
Last made up to 2 Nov 2025

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Finances

From each year's balance sheet filed at Companies House. Small companies do not have to publish turnover or profit, so these are balance sheet figures.

  • Net assets up £41K (+29.4%) on the year before, to £179K.
  • Current assets of £208K against £96K owed within a year: 2.2 times cover.
  • 2 employees on average during the year.
  • Balance sheets on record for 3 years, 2024 to 2026.

Net assets by year

Net assets at each year end, 2024 to 2026£0£100K31 March 2024: net assets £27K£27K202431 March 2025: net assets £138K£138K202531 March 2026: net assets £179K£179K2026
Net assets at each year end, 2024 to 2026£0£100K31 March 2024: net assets £27K£27K202431 March 2025: net assets £138K£138K202531 March 2026: net assets £179K£179K2026
Year endNet assetsCashCurrent assetsOwed within a yearEmployees
31 Mar 2026£179K£208K£96K2
31 Mar 2025£138K£136K£71K2
31 Mar 2024£27K£88K£107K1

Where RKB Carpentry & Locksmiths Ltd is registered

RKB Carpentry & Locksmiths Ltd's registered office on a map of the UK

The registered office is in King's Lynn (PE30), in the King's Lynn and West Norfolk local authority area, East of England. Show PE30 1HJ on a map.

Other trade companies in PE30

Shared registered office

87 companies on our pages use this registered office address. An address shared this widely is usually an accountant's office or a company formation agent's service address, not where the business trades from.

What happens if RKB Carpentry & Locksmiths 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 31 December 2027.

Companies HouseAccounts deliveredPenalty
Up to 1 month late1 Jan 2028 to 31 Jan 2028£150
1 to 3 months late1 Feb 2028 to 31 Mar 2028£375
3 to 6 months late1 Apr 2028 to 30 Jun 2028£750
More than 6 months lateFrom 1 Jul 2028£1,500

Penalties double if the accounts were also late the year before.

HMRC (CT600)FromPenalty
1 day late1 Apr 2028£200
3 months late30 Jun 2028another £200
6 months late30 Sep 2028HMRC estimates the tax and adds 10% of the unpaid tax
12 months late31 Mar 2029another 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
15257568
Status
Active
Company type
Private limited company
Incorporated
3 November 2023 (2 years ago)
Registered office
22-26 King Street, King's Lynn, Norfolk, PE30 1HJ
Nature of business
Joinery installation (SIC 43320)
Security systems service activities (SIC 80200)
Year end
31 March (accounting reference date)
Accounts type
Micro-entity
Last accounts made up to
31 March 2026
Last confirmation statement
2 November 2025

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 King's Lynn

Other active joinery companies registered in King's Lynn.

All joinery companies in King's Lynn · All trades in King's Lynn · Joiners and carpenters across the UK

Frequently asked questions

When are RKB Carpentry & Locksmiths Ltd's accounts due?

RKB Carpentry & Locksmiths Ltd's next accounts are due at Companies House by 31 December 2027 (in 445 days), covering the period to 31 March 2027.

When is RKB Carpentry & Locksmiths Ltd'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 RKB Carpentry & Locksmiths Ltd still trading?

RKB Carpentry & Locksmiths 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 RKB Carpentry & Locksmiths Ltd do?

RKB Carpentry & Locksmiths Ltd is registered under Joinery installation (SIC 43320); Security systems service activities (SIC 80200).

How old is RKB Carpentry & Locksmiths Ltd?

RKB Carpentry & Locksmiths Ltd was incorporated on 3 November 2023, 2 years ago.

What is the penalty if RKB Carpentry & Locksmiths 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 RKB Carpentry & Locksmiths Ltd on Companies House for filed documents, officers and the full history.

Report an error on this page

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.

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