- Companies
- Plumbers and heating engineers
- London
- NB Plumbing & Heating (Al) Limited
NB Plumbing & Heating (Al) Limited
- Company number
- 10096691
- Incorporated
- 1 Apr 201610 years trading
- Registered office
- C/O Roseworth Limited, 662 High Road, London, Greater London, N12 0NL
- Nature of business
- Plumbing, heat and air-conditioning installation
NB Plumbing & Heating (Al) Limited is a 10-year-old private limited company registered in London, company number 10096691, one of 2,972 plumbing and heating companies in London. Its next accounts are due at Companies House on 31 January 2027, and the CT600 for the period to 30 April 2026 is due at HMRC on 30 April 2027.
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 £9,151 (-69.9%) on the year before, to £3,944.
- Net assets rose in 6 of 8 year-on-year comparisons on record.
- Current assets of £59K against £60K owed within a year: 1.0 times cover.
- 3 employees on average, up from 2 the year before.
- Balance sheets on record for 9 years, 2017 to 2025.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 30 Apr 2025 | £3,944 | £59K | £60K | 3 | |
| 30 Apr 2024 | £13K | £44K | £37K | 2 | |
| 30 Apr 2023 | £9,932 | £43K | £42K | 1 | |
| 30 Apr 2022 | £8,990 | £20K | £22K | 1 | |
| 30 Apr 2021 | £627 | £21K | £21K | 1 | |
| 30 Apr 2020 | £442 | £21K | £20K | 2 | |
| 30 Apr 2019 | £6,361 | £14K | £7,396 | 2 | |
| 30 Apr 2018 | £4,569 | £12K | £7,695 | ||
| 30 Apr 2017 | £227 | £6,568 | £6,654 |
Where NB Plumbing & Heating (Al) Limited is registered
The registered office is in London (N12), in the Barnet local authority area, London. Show N12 0NL on a map.
Other trade companies in N12
- Sullivan Property and Maintenance LtdFacilities management
- Mael Property Services LtdFinishing trades
- Horizon Constructors LtdProperty developers
- Alfawine Group LimitedFinishing trades
- Sam Motors Group LimitedMotor traders
- Heating on Demand LtdPlumbers and heating engineers
- Premium Electrical LtdElectricians
- Amaiya Sparks LtdCleaning companies
Also registered at this address
13 other companies use the same registered office as NB Plumbing & Heating (Al) Limited.
- A M Plumbing & Heating LtdPlumbers and heating engineers
- Aa Group Contractors LtdProperty developers
- Ab Renewables LtdBuilders
- Agl Enviro LtdProperty developers
- Can Design & Construct LtdBuilders
- Horizon Constructors LtdProperty developers
- Rand Floors & Screeding LtdBuilders
- RK Civil Engineering LtdCivil engineering
- Smart Hand Group LtdJoiners and carpenters
- Structwell LimitedBuilders
- The London Builders Group LtdProperty developers
- THRC Construction LimitedBuilders
- Top Bathrooms LimitedSpecialist contractors
What happens if NB Plumbing & Heating (Al) 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 31 January 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Feb 2027 to 28 Feb 2027 | £150 |
| 1 to 3 months late | 1 Mar 2027 to 30 Apr 2027 | £375 |
| 3 to 6 months late | 1 May 2027 to 31 Jul 2027 | £750 |
| More than 6 months late | From 1 Aug 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 May 2027 | £200 |
| 3 months late | 30 Jul 2027 | another £200 |
| 6 months late | 30 Oct 2027 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 30 Apr 2028 | 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
- 10096691
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 1 April 2016 (10 years ago)
- Registered office
- C/O Roseworth Limited, 662 High Road, London, Greater London, N12 0NL
- Nature of business
- Plumbing, heat and air-conditioning installation (SIC 43220)
- Year end
- 30 April (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 30 April 2025
- Last confirmation statement
- 31 March 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 London
Other active plumbing and heating companies registered in London.
- NB Professional Services Ltd2019
- NCJ Plumbing & Decorating Ltd2021
- ND Maisons by Jace Ltd2026
- NDL Plumbing and Heating Ltd2026
- Ndustan Ltd2017
- Nelson CristÓVÃO Ltd2023
- Nelsons Plumbing and Heating Ltd2017
- Neos Engineering London Limited2022
All plumbing and heating companies in London · All trades in London · Plumbers and heating engineers across the UK
Frequently asked questions
When are NB Plumbing & Heating (Al) Limited's accounts due?
NB Plumbing & Heating (Al) Limited's next accounts are due at Companies House by 31 January 2027 (in 109 days), covering the period to 30 April 2026.
When is NB Plumbing & Heating (Al) Limited's CT600 due?
The CT600 for the period to 30 April 2026 is due at HMRC by 30 April 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 February 2027.
Is NB Plumbing & Heating (Al) Limited still trading?
NB Plumbing & Heating (Al) 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 NB Plumbing & Heating (Al) Limited do?
NB Plumbing & Heating (Al) Limited is registered under Plumbing, heat and air-conditioning installation (SIC 43220).
How old is NB Plumbing & Heating (Al) Limited?
NB Plumbing & Heating (Al) Limited was incorporated on 1 April 2016, 10 years ago.
What is the penalty if NB Plumbing & Heating (Al) 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 NB Plumbing & Heating (Al) 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.