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BLB Plumbing & Heating Limited

ActiveTotal exemption (full) accountsPlumbers and heating engineersOrpington
Company number
13411196
Incorporated
20 May 20215 years trading
Registered office
3 Barnfield Road, Orpington, BR5 3LP
Nature of business
Plumbing, heat and air-conditioning installation
Accounts
Overdue
Were due 31 May 2026
Checked with Companies House 13 Oct 2026

BLB Plumbing & Heating Limited is a 5-year-old private limited company registered in Orpington, company number 13411196, one of 79 plumbing and heating companies in Orpington. Companies House shows its accounts as overdue: they were due on 31 May 2026.

Key dates

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

Accounts due
31 May 2026
Overdue by 135 days
For the period to 31 Aug 2025
CT600 due (first of two)
31 May 2026
Date passed (HMRC does not publish filings)
Period 1 Jun 2024 to 31 May 2025
CT600 due (second of two)
31 Aug 2026
Date passed (HMRC does not publish filings)
Period 1 Jun 2025 to 31 Aug 2025
Corporation tax payment
1 Jun 2026
Date passed
9 months and 1 day after the period end
Confirmation statement
23 Jun 2027
in 253 days
Last made up to 9 Jun 2026

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Where BLB Plumbing & Heating Limited is registered

BLB Plumbing & Heating Limited's registered office on a map of the UK

The registered office is in Orpington (BR5), in the Bromley local authority area, London. Show BR5 3LP on a map.

Other trade companies in BR5

What happens if BLB Plumbing & Heating Limited files late

If the accounts reach Companies House today, the late filing penalty is £750 (£1,500 if last year's accounts were also late). It rises at each step below.

Companies HouseAccounts deliveredPenalty
Up to 1 month late1 Jun 2026 to 30 Jun 2026£150
1 to 3 months late1 Jul 2026 to 31 Aug 2026£375
3 to 6 months late1 Sep 2026 to 30 Nov 2026£750
More than 6 months lateFrom 1 Dec 2026£1,500

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

HMRC (CT600)FromPenalty
1 day late1 Sep 2026£200
3 months late30 Nov 2026another £200
6 months late28 Feb 2027HMRC estimates the tax and adds 10% of the unpaid tax
12 months late31 Aug 2027another 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
13411196
Status
Active
Company type
Private limited company
Incorporated
20 May 2021 (5 years ago)
Registered office
3 Barnfield Road, Orpington, BR5 3LP
Nature of business
Plumbing, heat and air-conditioning installation (SIC 43220)
Year end
31 May (accounting reference date)
Accounts type
Total exemption (full)
Last accounts made up to
31 May 2024
Last confirmation statement
9 June 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.

Similar companies in Orpington

Other active plumbing and heating companies registered in Orpington.

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

Frequently asked questions

When are BLB Plumbing & Heating Limited's accounts due?

BLB Plumbing & Heating Limited's accounts were due at Companies House on 31 May 2026 and the register shows them as overdue.

When is BLB Plumbing & Heating Limited's CT600 due?

The first accounts cover more than 12 months, so there are two Company Tax Returns: one for the 12 months to 31 May 2025, due by 31 May 2026, and one for the period to 31 August 2025, due by 31 August 2026. Corporation tax is payable 9 months and 1 day after the end of each.

Is BLB Plumbing & Heating Limited still trading?

BLB Plumbing & Heating Limited is listed as active on the Companies House register (checked 13 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 BLB Plumbing & Heating Limited do?

BLB Plumbing & Heating Limited is registered under Plumbing, heat and air-conditioning installation (SIC 43220).

How old is BLB Plumbing & Heating Limited?

BLB Plumbing & Heating Limited was incorporated on 20 May 2021, 5 years ago.

What is the penalty if BLB Plumbing & Heating 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 BLB Plumbing & Heating Limited 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, rechecked 13 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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