- Company number
- 09567862
- Incorporated
- 29 Apr 201511 years trading
- Registered office
- 208 Charlton Road, Harrow, HA3 9HJ
- Nature of business
- Construction of domestic buildings
Aa Heating & Plumbing Services Ltd is a 11-year-old private limited company registered in Harrow, company number 09567862, one of 793 building contractors in Harrow. Its next accounts are due at Companies House on 31 December 2027, and the CT600 for the period to 31 March 2027 is due at HMRC on 31 March 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 up £28K on the year before, to £29K.
- Net assets rose in 5 of 9 year-on-year comparisons on record.
- Current assets of £185K against £156K owed within a year: 1.2 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 |
|---|---|---|---|---|---|
| 31 Mar 2026 | £29K | £159K | £185K | £156K | 2 |
| 31 Mar 2025 | £30 | £154K | £176K | 2 | |
| 31 Mar 2024 | -£18K | £35K | £51K | 2 | |
| 31 Mar 2023 | £7,349 | £131K | £122K | 2 | |
| 31 Mar 2022 | -£18K | £33K | £36K | £53K | 2 |
| 31 Mar 2021 | £780 | £51K | £56K | £55K | 2 |
| 31 Mar 2020 | -£22K | £6,475 | £6,475 | £29K | 2 |
| 31 Mar 2019 | -£503 | £59K | £67K | £68K | |
| 31 Mar 2018 | -£13K | £26K | £28K | £43K | |
| 31 Mar 2017 | £996 | £35K | £38K | £42K |
Who runs and owns Aa Heating & Plumbing Services Ltd
From the Companies House register. Individuals are shown by initials only; the full register is on Companies House.
Officers (2)
| Name | Role | Appointed |
|---|---|---|
| A*** H*** | Director | Apr 2015 |
| A*** P*** | Director | Apr 2015 |
People with significant control (2)
Where Aa Heating & Plumbing Services Ltd is registered
The registered office is in Harrow (HA3), in the Harrow local authority area, London. Show HA3 9HJ on a map.
Other trade companies in HA3
- M&M Team Solutions LimitedCleaning companies
- Asr234 LimitedCivil engineering
- Shine Bright With NV LtdMechanics and garages
- Direct Sparks LtdMachinery repair and installation
- Meral Decoration & Maintenance LtdPainters and decorators
- Add22 LtdCivil engineering
- Floyd Cleaners LimitedCleaning companies
- Amalia&Ioana LimitedBuilders
What happens if Aa Heating & Plumbing 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 31 December 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Jan 2028 to 31 Jan 2028 | £150 |
| 1 to 3 months late | 1 Feb 2028 to 31 Mar 2028 | £375 |
| 3 to 6 months late | 1 Apr 2028 to 30 Jun 2028 | £750 |
| More than 6 months late | From 1 Jul 2028 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Apr 2028 | £200 |
| 3 months late | 30 Jun 2028 | another £200 |
| 6 months late | 30 Sep 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 Mar 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
- 09567862
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 29 April 2015 (11 years ago)
- Registered office
- 208 Charlton Road, Harrow, HA3 9HJ
- Nature of business
- Construction of domestic buildings (SIC 41202)
- Year end
- 31 March (accounting reference date)
- Accounts type
- Unaudited abridged
- Last accounts made up to
- 31 March 2026
- Last confirmation statement
- 2 May 2026
Filing notes for building contractors
Building companies often run the Construction Industry Scheme as a contractor, a subcontractor or both. CIS deductions suffered during the year are set against the PAYE bill, and any unrecovered balance at the year end matters when the accounts are drawn up.
Similar companies in Harrow
Other active building contractors registered in Harrow.
- Aatharam Construction Ltd2025
- Abel Building Ltd2020
- Acefix Property Services Ltd2026
- Acs Construction & Services Ltd2019
- Adam Elite Construction Ltd2025
- Add Concept Ltd2017
- Adoria Limited2010
- Aeon Construction Ltd2026
All building contractors in Harrow · All trades in Harrow · Builders across the UK
Frequently asked questions
When are Aa Heating & Plumbing Services Ltd's accounts due?
Aa Heating & Plumbing Services Ltd's next accounts are due at Companies House by 31 December 2027 (in 444 days), covering the period to 31 March 2027.
When is Aa Heating & Plumbing Services Ltd's CT600 due?
The CT600 for the period to 31 March 2027 is due at HMRC by 31 March 2028, 12 months after the period end. The corporation tax itself is payable earlier, by 1 January 2028.
Is Aa Heating & Plumbing Services Ltd still trading?
Aa Heating & Plumbing 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 Aa Heating & Plumbing Services Ltd do?
Aa Heating & Plumbing Services Ltd is registered under Construction of domestic buildings (SIC 41202).
How old is Aa Heating & Plumbing Services Ltd?
Aa Heating & Plumbing Services Ltd was incorporated on 29 April 2015, 11 years ago.
Who runs Aa Heating & Plumbing Services Ltd?
Aa Heating & Plumbing Services Ltd has 2 active directors, the longest-serving appointed in Apr 2015. Their names and service addresses are on the Companies House register.
Who owns Aa Heating & Plumbing Services Ltd?
2 people or companies have significant control of Aa Heating & Plumbing Services Ltd: an individual (owns 25% to 50% of the shares); an individual (owns 25% to 50% of the shares).
What is the penalty if Aa Heating & Plumbing 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 Aa Heating & Plumbing Services 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.