- Company number
- 16267702
- Incorporated
- 21 Feb 20251 year trading
- Registered office
- 17 High Chase, Newhall, Harlow, United Kingdom, CM17 9SA
- Nature of business
- Construction of domestic buildings
A and K Plumbing and Maintenance Ltd is a 1-year-old private limited company registered in Harlow, company number 16267702, one of 223 building contractors in Harlow. Its next accounts are due at Companies House on 21 November 2026, and its first CT600 is due at HMRC on 20 February 2027.
Key dates
This company has not filed accounts yet. First accounts are due 21 months after incorporation, and the first period can run longer than a year.
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Where A and K Plumbing and Maintenance Ltd is registered
The registered office is in Harlow (CM17), in the Harlow local authority area, East of England. Show CM17 9SA on a map.
Other trade companies in CM17
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- RBPG Response LimitedInstallers
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- Prime Roofing & Building LtdRoofers
- Clinto Properties LtdProperty developers
- Om Electrics LtdElectricians
What happens if A and K Plumbing and Maintenance 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 21 November 2026.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 22 Nov 2026 to 21 Dec 2026 | £150 |
| 1 to 3 months late | 22 Dec 2026 to 21 Feb 2027 | £375 |
| 3 to 6 months late | 22 Feb 2027 to 21 May 2027 | £750 |
| More than 6 months late | From 22 May 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Mar 2027 | £200 |
| 3 months late | 28 May 2027 | another £200 |
| 6 months late | 28 Aug 2027 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 28 Feb 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
- 16267702
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 21 February 2025 (1 year ago)
- Registered office
- 17 High Chase, Newhall, Harlow, United Kingdom, CM17 9SA
- Nature of business
- Construction of domestic buildings (SIC 41202)
- Year end
- 28 February (accounting reference date)
- Accounts type
- No accounts filed yet
- Last confirmation statement
- 25 March 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 Harlow
Other active building contractors registered in Harlow.
- A.J. Wadhams & Co. Limited1972
- A.S.F. Contracts Ltd2015
- Abm Building Group Ltd2026
- Acs Xtra Space Ltd2021
- Act Smart Construction Ltd2022
- Ag Home Builders Limited2022
- Ajc Construction Services Ltd2017
- Alemax Systems Ltd2023
All building contractors in Harlow · All trades in Harlow · Builders across the UK
Frequently asked questions
When are A and K Plumbing and Maintenance Ltd's accounts due?
A and K Plumbing and Maintenance Ltd's next accounts are due at Companies House by 21 November 2026 (in 39 days), covering the period to 28 February 2026.
When is A and K Plumbing and Maintenance Ltd's CT600 due?
The first accounts cover more than 12 months, so there are two Company Tax Returns: one for the 12 months to 20 February 2026, due by 20 February 2027, and one for the period to 28 February 2026, due by 28 February 2027. Corporation tax is payable 9 months and 1 day after the end of each.
Is A and K Plumbing and Maintenance Ltd still trading?
A and K Plumbing and Maintenance 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 A and K Plumbing and Maintenance Ltd do?
A and K Plumbing and Maintenance Ltd is registered under Construction of domestic buildings (SIC 41202).
How old is A and K Plumbing and Maintenance Ltd?
A and K Plumbing and Maintenance Ltd was incorporated on 21 February 2025, 1 year ago.
What is the penalty if A and K Plumbing and Maintenance 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 A and K Plumbing and Maintenance 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.