- Companies
- Plumbers and heating engineers
- North Harrow
- Ab Plumbing & Heating Specialist Ltd
Ab Plumbing & Heating Specialist Ltd
- Company number
- 14283327
- Incorporated
- 8 Aug 20224 years trading
- Registered office
- Unit 9 Churchill Court, 58 Station Road, North Harrow, HA2 7SA
- Nature of business
- Plumbing, heat and air-conditioning installation
Ab Plumbing & Heating Specialist Ltd is a 4-year-old private limited company registered in North Harrow, company number 14283327, one of the UK's plumbing and heating companies. Its next accounts are due at Companies House on 30 May 2027, and the CT600 for the period to 30 August 2026 is due at HMRC on 30 August 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 up £6,727 (+23.3%) on the year before, to £36K.
- Current assets of £59K against £35K owed within a year: 1.7 times cover.
- 1 employee on average during the year.
- Balance sheets on record for 3 years, 2023 to 2025.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 31 Aug 2025 | £36K | £59K | £59K | £35K | 1 |
| 31 Aug 2024 | £29K | £36K | 1 | ||
| 31 Aug 2023 | £756 | £37K | £50K | 1 |
Where Ab Plumbing & Heating Specialist Ltd is registered
The registered office is in North Harrow (HA2), in the Harrow local authority area, London. Show HA2 7SA on a map.
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Also registered at this address
17 other companies use the same registered office as Ab Plumbing & Heating Specialist Ltd.
- 2MB LtdBuilders
- Clearwater Marine Technology LimitedSpecialist contractors
- Copperdell Consultants LtdProperty developers
- Cre8 Developments LtdBuilders
- Crystal Const Services LimitedPainters and decorators
- Finsol Properties LtdProperty developers
- Kell Building Contractors LimitedBuilders
- Klarwasser Marin Technik LimitedSpecialist contractors
- M.P. Property Lettings & Sales LtdSpecialist contractors
- Mak Gas LtdPlumbers and heating engineers
- PCD Services London LimitedFinishing trades
- Phoenix Group (London) LimitedPlasterers
- Rad Construction Management LtdBuilders
- Rasila LtdCivil engineering
- SKV Renewables LtdElectricians
- Superb Const LtdProperty developers
- Vsquared Consultancy LimitedElectricians
What happens if Ab Plumbing & Heating Specialist 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 30 May 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 31 May 2027 to 30 Jun 2027 | £150 |
| 1 to 3 months late | 1 Jul 2027 to 30 Aug 2027 | £375 |
| 3 to 6 months late | 31 Aug 2027 to 30 Nov 2027 | £750 |
| More than 6 months late | From 1 Dec 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 31 Aug 2027 | £200 |
| 3 months late | 30 Nov 2027 | another £200 |
| 6 months late | 29 Feb 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 30 Aug 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
- 14283327
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 8 August 2022 (4 years ago)
- Registered office
- Unit 9 Churchill Court, 58 Station Road, North Harrow, HA2 7SA
- Nature of business
- Plumbing, heat and air-conditioning installation (SIC 43220)
- Year end
- 30 August (accounting reference date)
- Accounts type
- Unaudited abridged
- Last accounts made up to
- 31 August 2025
- Last confirmation statement
- 7 August 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 North Harrow
Other active plumbing and heating companies registered in North Harrow.
- Mak Gas Ltd2017
All plumbing and heating companies in North Harrow · All trades in North Harrow · Plumbers and heating engineers across the UK
Frequently asked questions
When are Ab Plumbing & Heating Specialist Ltd's accounts due?
Ab Plumbing & Heating Specialist Ltd's next accounts are due at Companies House by 30 May 2027 (in 229 days), covering the period to 30 August 2026.
When is Ab Plumbing & Heating Specialist Ltd's CT600 due?
The CT600 for the period to 30 August 2026 is due at HMRC by 30 August 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 31 May 2027.
Is Ab Plumbing & Heating Specialist Ltd still trading?
Ab Plumbing & Heating Specialist 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 Ab Plumbing & Heating Specialist Ltd do?
Ab Plumbing & Heating Specialist Ltd is registered under Plumbing, heat and air-conditioning installation (SIC 43220).
How old is Ab Plumbing & Heating Specialist Ltd?
Ab Plumbing & Heating Specialist Ltd was incorporated on 8 August 2022, 4 years ago.
What is the penalty if Ab Plumbing & Heating Specialist 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 Ab Plumbing & Heating Specialist Ltd 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.