1. Companies
  2. Builders
  3. Portsmouth
  4. Rapid Firestop Ltd

Rapid Firestop Ltd

ActiveMicro-entity accountsBuildersPortsmouth
Company number
16371489
Incorporated
7 Apr 20251 year trading
Registered office
117 Winstanley Road, Portsmouth, PO2 8JS
Nature of business
Construction of domestic buildings; Other construction installation; Other specialised construction activities n.e.c.
Accounts due in
476 days
31 Jan 2028
Net assets
£32K
At 30 Apr 2026
Employees
2
Average during the year
From the Companies House register, 1 Oct 2026

Rapid Firestop Ltd is a 1-year-old private limited company registered in Portsmouth, company number 16371489, one of 175 building contractors in Portsmouth. Its next accounts are due at Companies House on 31 January 2028, and the CT600 for the period to 30 April 2027 is due at HMRC on 30 April 2028.

Key dates

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

Accounts due
31 Jan 2028
in 476 days
For the period to 30 Apr 2027
CT600 due
30 Apr 2028
in 566 days
Period 1 May 2026 to 30 Apr 2027
Corporation tax payment
1 Feb 2028
in 477 days
9 months and 1 day after the period end
Confirmation statement
1 Oct 2027
in 354 days
Last made up to 17 Sep 2026

Is this your company?

File the accounts to Companies House and the CT600 to HMRC yourself with A.X.E.L Filing. One set of questions, both filings, £49 flat. No accountant, no subscription.

File for Rapid Firestop Ltd

Or get a reminder before each deadline

Free. We email you 60, 30, 14, 7 and 1 days before the accounts, CT600 and confirmation statement are due. Unsubscribe in one click.

Financial snapshot, 2026

From the balance sheet at 30 April 2026, as filed at Companies House.

Net assets
£32K
Current assets
£42K
Employees
2
Average during the year, including directors

Where Rapid Firestop Ltd is registered

Rapid Firestop Ltd's registered office on a map of the UK

The registered office is in Portsmouth (PO2), in the Portsmouth local authority area, South East. Show PO2 8JS on a map.

Other trade companies in PO2

What happens if Rapid Firestop 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 January 2028.

Companies HouseAccounts deliveredPenalty
Up to 1 month late1 Feb 2028 to 29 Feb 2028£150
1 to 3 months late1 Mar 2028 to 30 Apr 2028£375
3 to 6 months late1 May 2028 to 31 Jul 2028£750
More than 6 months lateFrom 1 Aug 2028£1,500

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

HMRC (CT600)FromPenalty
1 day late1 May 2028£200
3 months late30 Jul 2028another £200
6 months late30 Oct 2028HMRC estimates the tax and adds 10% of the unpaid tax
12 months late30 Apr 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
16371489
Status
Active
Company type
Private limited company
Incorporated
7 April 2025 (1 year ago)
Registered office
117 Winstanley Road, Portsmouth, PO2 8JS
Nature of business
Construction of domestic buildings (SIC 41202)
Other construction installation (SIC 43290)
Other specialised construction activities n.e.c. (SIC 43999)
Year end
30 April (accounting reference date)
Accounts type
Micro-entity
Last accounts made up to
30 April 2026
Last confirmation statement
17 September 2026
Previous names
Rapid Build & Secure Ltd (until 19 Aug 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 Portsmouth

Other active building contractors registered in Portsmouth.

All building contractors in Portsmouth · All trades in Portsmouth · Builders across the UK

Frequently asked questions

When are Rapid Firestop Ltd's accounts due?

Rapid Firestop Ltd's next accounts are due at Companies House by 31 January 2028 (in 476 days), covering the period to 30 April 2027.

When is Rapid Firestop Ltd's CT600 due?

The CT600 for the period to 30 April 2027 is due at HMRC by 30 April 2028, 12 months after the period end. The corporation tax itself is payable earlier, by 1 February 2028.

Is Rapid Firestop Ltd still trading?

Rapid Firestop 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 Rapid Firestop Ltd do?

Rapid Firestop Ltd is registered under Construction of domestic buildings (SIC 41202); Other construction installation (SIC 43290); Other specialised construction activities n.e.c. (SIC 43999).

How old is Rapid Firestop Ltd?

Rapid Firestop Ltd was incorporated on 7 April 2025, 1 year ago.

What is the penalty if Rapid Firestop 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 Rapid Firestop 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.

File accounts + CT600File now£49Let's talk