- Companies
- Plumbers and heating engineers
- Harlow
- Slate Mec Ltd
Company profile · Plumbers and heating engineers
Slate Mec Ltd
Slate Mec Ltd is a 2-year-old private limited company registered in Harlow, company number 15724059, one of 97 plumbing and heating companies in Harlow. Its next accounts are due at Companies House on 29 February 2028, and the CT600 for the period to 31 May 2027 is due at HMRC on 31 May 2028.
Key dates
Worked out from the year end and filing history on the Companies House register.
Is this your company?
File the accounts to Companies House and the CT600 to HMRC yourself with A.X.E.L Filing. One set of questions, both filings, £49 flat. No accountant, no subscription.
File for Slate Mec LtdOr get a reminder before each deadline
Free. We email you 60, 30, 14, 7 and 1 days before the accounts, CT600 and confirmation statement are due. Unsubscribe in one click.
Financial snapshot, 2026
From the balance sheet at 31 May 2026, as filed at Companies House.
Slate Mec Ltd over the years
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 £1,052 on the year before, to £1,054.
- Current assets of £2,471 against £833 owed within a year: 3.0 times cover.
- No employees reported for the latest year (directors are often not counted as employees).
- Balance sheets on record for 2 years, 2025 to 2026.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 31 May 2026 | £1,054 | £2,471 | £833 | 0 | |
| 31 May 2025 | £2 | £2 | 0 |
Where Slate Mec Ltd is registered
The registered office is in Harlow (CM17), in the Harlow local authority area, East of England. Show CM17 9NU on a map.
Other trade companies in CM17
- Ella's Team Home Improvement LtdLandscapers and gardeners
- Page & Co Construction LimitedBuilders
- Woodside Contracting LimitedProperty developers
- RBPG Response LimitedInstallers
- Black Eagle Mobile Tyres LtdMotor traders
- Prime Roofing & Building LtdRoofers
- Clinto Properties LtdProperty developers
- Om Electrics LtdElectricians
Also registered at this address
6 other companies use the same registered office as Slate Mec Ltd.
- Adapt Plumbing and Heating Services LtdPlumbers and heating engineers
- FTB Gas and Heating LtdPlumbers and heating engineers
- Home Glazing Repair Service LtdGlaziers
- Ingram Building LtdFinishing trades
- Jdy Interiors LtdFinishing trades
- Quick Mechanical LtdMechanics and garages
What happens if Slate Mec 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 29 February 2028.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Mar 2028 to 31 Mar 2028 | £150 |
| 1 to 3 months late | 1 Apr 2028 to 31 May 2028 | £375 |
| 3 to 6 months late | 1 Jun 2028 to 31 Aug 2028 | £750 |
| More than 6 months late | From 1 Sep 2028 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Jun 2028 | £200 |
| 3 months late | 31 Aug 2028 | another £200 |
| 6 months late | 30 Nov 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 May 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
- 15724059
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 16 May 2024 (2 years ago)
- Registered office
- 18 Alexandra Road, Newhall, Harlow, Essex, CM17 9NU
- Nature of business
- Plumbing, heat and air-conditioning installation (SIC 43220)
- Year end
- 31 May (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 31 May 2026
- Last confirmation statement
- 15 May 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 Harlow
Other active plumbing and heating companies registered in Harlow.
- Solar Central Limited2019
- Sontag & Sons Plumbing Ltd2020
- Sterling Gas Limited2018
- STJ Mechanical Limited2017
- T. Patton Limited1982
- The Boiler Installation Specialists Ltd2008
- Tidehill Limited2002
- TT Fires Ltd2010
All plumbing and heating companies in Harlow · All trades in Harlow · Plumbers and heating engineers across the UK
Frequently asked questions
When are Slate Mec Ltd's accounts due?
Slate Mec Ltd's next accounts are due at Companies House by 29 February 2028 (in 505 days), covering the period to 31 May 2027.
When is Slate Mec Ltd's CT600 due?
The CT600 for the period to 31 May 2027 is due at HMRC by 31 May 2028, 12 months after the period end. The corporation tax itself is payable earlier, by 1 March 2028.
Is Slate Mec Ltd still trading?
Slate Mec 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 Slate Mec Ltd do?
Slate Mec Ltd is registered under Plumbing, heat and air-conditioning installation (SIC 43220).
How old is Slate Mec Ltd?
Slate Mec Ltd was incorporated on 16 May 2024, 2 years ago.
What is the penalty if Slate Mec 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 Slate Mec 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.