- Companies
- Plumbers and heating engineers
- South Croydon
- Northumberland Plumbing Limited
Northumberland Plumbing Limited
- Company number
- 08399429
- Incorporated
- 12 Feb 201313 years trading
- Registered office
- 21 Tudor Close, South Croydon, CR2 9DX
- Nature of business
- Plumbing, heat and air-conditioning installation
Northumberland Plumbing Limited is a 13-year-old private limited company registered in South Croydon, company number 08399429, one of 39 plumbing and heating companies in South Croydon. Its next accounts are due at Companies House on 30 November 2027, and the CT600 for the period to 28 February 2027 is due at HMRC on 28 February 2028.
Key dates
Worked out from the year end and filing history on the Companies House register.
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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 down £1,217 (-33.8%) on the year before, to £2,385.
- Net assets rose in 3 of 9 year-on-year comparisons on record.
- Current assets of £23K against £17K owed within a year: 1.4 times cover.
- 2 employees on average during the year.
- Balance sheets on record for 10 years, 2017 to 2026.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 28 Feb 2026 | £2,385 | £23K | £17K | 2 | |
| 28 Feb 2025 | £3,602 | £25K | £16K | 2 | |
| 29 Feb 2024 | £6,765 | £3 | £12K | £8,757 | 1 |
| 28 Feb 2023 | £54 | £24 | £13K | £8,762 | 1 |
| 28 Feb 2022 | £2,284 | £135 | £16K | £8,559 | 1 |
| 28 Feb 2021 | £2,201 | £3 | £12K | £4,023 | 1 |
| 29 Feb 2020 | £1,032 | £3 | £3,411 | £2,919 | 1 |
| 28 Feb 2019 | £4,065 | £1 | £5,477 | £2,275 | 1 |
| 28 Feb 2018 | £4,740 | £1 | £5,116 | £3,451 | 1 |
| 28 Feb 2017 | £7,083 | £3,637 | £10K | £8,675 | 1 |
Where Northumberland Plumbing Limited is registered
The registered office is in South Croydon (CR2), in the Croydon local authority area, London. Show CR2 9DX on a map.
Other trade companies in CR2
- Noviolux LtdPainters and decorators
- Ottorigo LimitedInstallers
- DRJ Electricals-Gas LtdElectricians
- The New Drivers Shop LtdMotor traders
- Knoxford Plumbing & Heating LtdPlumbers and heating engineers
- Frontline Design & Build LtdBuilders
- Vellarowheels LtdMotor traders
- Lady Ace Cleaning Co LimitedCleaning companies
What happens if Northumberland Plumbing Limited 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 30 November 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Dec 2027 to 31 Dec 2027 | £150 |
| 1 to 3 months late | 1 Jan 2028 to 29 Feb 2028 | £375 |
| 3 to 6 months late | 1 Mar 2028 to 31 May 2028 | £750 |
| More than 6 months late | From 1 Jun 2028 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 29 Feb 2028 | £200 |
| 3 months late | 28 May 2028 | another £200 |
| 6 months late | 28 Aug 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 28 Feb 2029 | another 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
- 08399429
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 12 February 2013 (13 years ago)
- Registered office
- 21 Tudor Close, South Croydon, CR2 9DX
- Nature of business
- Plumbing, heat and air-conditioning installation (SIC 43220)
- Year end
- 28 February (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 28 February 2026
- Last confirmation statement
- 12 February 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 South Croydon
Other active plumbing and heating companies registered in South Croydon.
- P.A.N Property Maintenance Services Ltd2026
- PB Gas Heating & Plumbing Ltd2025
- Red Adams Utilities Ltd2022
- RJL Mechanical Ltd2023
- SK Plumb Ltd2026
- Southern Heating Services Ltd2001
- Splash Plumbers Ltd2021
- The Croydon Boiler Company Ltd2019
All plumbing and heating companies in South Croydon · All trades in South Croydon · Plumbers and heating engineers across the UK
Frequently asked questions
When are Northumberland Plumbing Limited's accounts due?
Northumberland Plumbing Limited's next accounts are due at Companies House by 30 November 2027 (in 413 days), covering the period to 28 February 2027.
When is Northumberland Plumbing Limited's CT600 due?
The CT600 for the period to 28 February 2027 is due at HMRC by 28 February 2028, 12 months after the period end. The corporation tax itself is payable earlier, by 1 December 2027.
Is Northumberland Plumbing Limited still trading?
Northumberland Plumbing Limited 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 Northumberland Plumbing Limited do?
Northumberland Plumbing Limited is registered under Plumbing, heat and air-conditioning installation (SIC 43220).
How old is Northumberland Plumbing Limited?
Northumberland Plumbing Limited was incorporated on 12 February 2013, 13 years ago.
What is the penalty if Northumberland Plumbing 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 Northumberland Plumbing Limited on Companies House for filed documents, officers and the full history.
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.