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  4. Coldblow Services Ltd

Coldblow Services Ltd

ActiveNo accounts filed yet accountsPlumbers and heating engineersLondon
Company number
16963054
Incorporated
14 Jan 2026
Registered office
3RD Floor, 86-90, Paul Street, London, England, EC2A 4NE
Nature of business
Plumbing, heat and air-conditioning installation
Accounts due in
367 days
14 Oct 2027
From the Companies House register, 1 Oct 2026

Coldblow Services Ltd is a newly incorporated private limited company registered in London, company number 16963054, one of 2,972 plumbing and heating companies in London. Its next accounts are due at Companies House on 14 October 2027, and its first CT600 is due at HMRC on 13 January 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.

Accounts due
14 Oct 2027
in 367 days
For the period to 31 Jan 2027
CT600 due (first of two)
13 Jan 2028
in 458 days
Period 14 Jan 2026 to 13 Jan 2027
CT600 due (second of two)
31 Jan 2028
in 476 days
Period 14 Jan 2027 to 31 Jan 2027
Corporation tax payment
1 Nov 2027
in 385 days
9 months and 1 day after the period end
Confirmation statement
27 Jan 2027
in 107 days

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Where Coldblow Services Ltd is registered

Coldblow Services Ltd's registered office on a map of the UK

The registered office is in London (EC2A), in the Hackney local authority area, London. Show EC2A 4NE on a map.

Other trade companies in EC2A

Shared registered office

1,581 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 Coldblow Services 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 14 October 2027.

Companies HouseAccounts deliveredPenalty
Up to 1 month late15 Oct 2027 to 14 Nov 2027£150
1 to 3 months late15 Nov 2027 to 14 Jan 2028£375
3 to 6 months late15 Jan 2028 to 14 Apr 2028£750
More than 6 months lateFrom 15 Apr 2028£1,500

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

HMRC (CT600)FromPenalty
1 day late1 Feb 2028£200
3 months late30 Apr 2028another £200
6 months late31 Jul 2028HMRC estimates the tax and adds 10% of the unpaid tax
12 months late31 Jan 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
16963054
Status
Active
Company type
Private limited company
Incorporated
14 January 2026
Registered office
3RD Floor, 86-90, Paul Street, London, England, EC2A 4NE
Nature of business
Plumbing, heat and air-conditioning installation (SIC 43220)
Year end
31 January (accounting reference date)
Accounts type
No accounts filed yet

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.

Similar companies in London

Other active plumbing and heating companies registered in London.

All plumbing and heating companies in London · All trades in London · Plumbers and heating engineers across the UK

Frequently asked questions

When are Coldblow Services Ltd's accounts due?

Coldblow Services Ltd's next accounts are due at Companies House by 14 October 2027 (in 367 days), covering the period to 31 January 2027.

When is Coldblow Services 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 13 January 2027, due by 13 January 2028, and one for the period to 31 January 2027, due by 31 January 2028. Corporation tax is payable 9 months and 1 day after the end of each.

Is Coldblow Services Ltd still trading?

Coldblow Services 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 Coldblow Services Ltd do?

Coldblow Services Ltd is registered under Plumbing, heat and air-conditioning installation (SIC 43220).

How old is Coldblow Services Ltd?

Coldblow Services Ltd was incorporated on 14 January 2026, less than a year ago.

What is the penalty if Coldblow Services 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 Coldblow Services 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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