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  4. Red Box Boilers Ltd

Red Box Boilers Ltd

ActiveNo accounts filed yet accountsPlumbers and heating engineersIngatestone
Company number
16588584
Incorporated
17 Jul 20251 year trading
Registered office
Chestnuts, Fryerning Lane, Ingatestone, CM4 0GF
Nature of business
Plumbing, heat and air-conditioning installation; Technical testing and analysis; Other professional, scientific and technical activities n.e.c.; Renting and leasing of construction and civil engineering machinery and equipment
Accounts due in
187 days
17 Apr 2027
From the Companies House register, 1 Oct 2026

Red Box Boilers Ltd is a 1-year-old private limited company registered in Ingatestone, company number 16588584, one of 8 plumbing and heating companies in Ingatestone. Its next accounts are due at Companies House on 17 April 2027, and its first CT600 is due at HMRC on 16 July 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.

Accounts due
17 Apr 2027
in 187 days
For the period to 31 Jul 2026
CT600 due (first of two)
16 Jul 2027
in 277 days
Period 17 Jul 2025 to 16 Jul 2026
CT600 due (second of two)
31 Jul 2027
in 292 days
Period 17 Jul 2026 to 31 Jul 2026
Corporation tax payment
1 May 2027
in 201 days
9 months and 1 day after the period end
Confirmation statement
30 Jul 2027
in 291 days
Last made up to 16 Jul 2026

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Where Red Box Boilers Ltd is registered

Red Box Boilers Ltd's registered office on a map of the UK

The registered office is in Ingatestone (CM4), in the Brentwood local authority area, East of England. Show CM4 0GF on a map.

Other trade companies in CM4

What happens if Red Box Boilers 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 17 April 2027.

Companies HouseAccounts deliveredPenalty
Up to 1 month late18 Apr 2027 to 17 May 2027£150
1 to 3 months late18 May 2027 to 17 Jul 2027£375
3 to 6 months late18 Jul 2027 to 17 Oct 2027£750
More than 6 months lateFrom 18 Oct 2027£1,500

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

HMRC (CT600)FromPenalty
1 day late1 Aug 2027£200
3 months late31 Oct 2027another £200
6 months late31 Jan 2028HMRC estimates the tax and adds 10% of the unpaid tax
12 months late31 Jul 2028another 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
16588584
Status
Active
Company type
Private limited company
Incorporated
17 July 2025 (1 year ago)
Registered office
Chestnuts, Fryerning Lane, Ingatestone, CM4 0GF
Nature of business
Plumbing, heat and air-conditioning installation (SIC 43220)
Technical testing and analysis (SIC 71200)
Other professional, scientific and technical activities n.e.c. (SIC 74909)
Renting and leasing of construction and civil engineering machinery and equipment (SIC 77320)
Year end
31 July (accounting reference date)
Accounts type
No accounts filed yet
Last confirmation statement
16 July 2026

Filing notes for plumbing and heating companies

Plumbing and heating companies frequently work under CIS for main contractors and also directly for homeowners, so turnover can mix CIS and non-CIS income.

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Other active plumbing and heating companies registered in Ingatestone.

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Frequently asked questions

When are Red Box Boilers Ltd's accounts due?

Red Box Boilers Ltd's next accounts are due at Companies House by 17 April 2027 (in 187 days), covering the period to 31 July 2026.

When is Red Box Boilers 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 16 July 2026, due by 16 July 2027, and one for the period to 31 July 2026, due by 31 July 2027. Corporation tax is payable 9 months and 1 day after the end of each.

Is Red Box Boilers Ltd still trading?

Red Box Boilers 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 Red Box Boilers Ltd do?

Red Box Boilers Ltd is registered under Plumbing, heat and air-conditioning installation (SIC 43220); Technical testing and analysis (SIC 71200); Other professional, scientific and technical activities n.e.c. (SIC 74909); Renting and leasing of construction and civil engineering machinery and equipment (SIC 77320).

How old is Red Box Boilers Ltd?

Red Box Boilers Ltd was incorporated on 17 July 2025, 1 year ago.

What is the penalty if Red Box Boilers 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 Red Box Boilers 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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