- Company number
- 12783807
- Incorporated
- 31 Jul 20206 years trading
- Registered office
- Solar House, 282 Chase Road, London, N14 6NZ
- Nature of business
- Construction of commercial buildings; Construction of domestic buildings; Electrical installation; Plumbing, heat and air-conditioning installation
3Ace Mep Contractors (UK) Limited is a 6-year-old private limited company registered in London, company number 12783807, one of 12,075 building contractors in London. Its next accounts are due at Companies House on 30 April 2027, and the CT600 for the period to 31 July 2026 is due at HMRC on 31 July 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 £1,189 (+0.4%) on the year before, to -£317K.
- Net assets rose in 1 of 4 year-on-year comparisons on record.
- Current assets of £3,924 against £320K owed within a year: 0.0 times cover.
- 1 employee on average during the year.
- Balance sheets on record for 5 years, 2021 to 2025.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 31 Jul 2025 | -£317K | £3,769 | £3,924 | £320K | 1 |
| 31 Jul 2024 | -£318K | £106 | £395 | £318K | 1 |
| 31 Jul 2023 | -£305K | £3,223 | £11K | £316K | 5 |
| 31 Jul 2022 | -£269K | £38K | £72K | £345K | 5 |
| 31 Jul 2021 | -£65K | £70K | £223K | £293K | 5 |
Where 3Ace Mep Contractors (UK) Limited is registered
The registered office is in London (N14), in the Enfield local authority area, London. Show N14 6NZ on a map.
Other trade companies in N14
- S & N Construction LtdBuilders
- Ekia Solutions LtdElectricians
- S&N Finishes LtdBuilders
- Soley London Group LtdElectricians
- Interior Build 1 LtdFinishing trades
- Niclons Engineering and Management LtdFinishing trades
- Kevlar Heating LimitedPlumbers and heating engineers
- Neonova Investments LtdProperty developers
Shared registered office
88 companies on our pages use this registered office address. An address shared this widely is usually an accountant's office or a company formation agent's service address, not where the business trades from.
What happens if 3Ace Mep Contractors (UK) 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 30 April 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 May 2027 to 31 May 2027 | £150 |
| 1 to 3 months late | 1 Jun 2027 to 31 Jul 2027 | £375 |
| 3 to 6 months late | 1 Aug 2027 to 31 Oct 2027 | £750 |
| More than 6 months late | From 1 Nov 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Aug 2027 | £200 |
| 3 months late | 31 Oct 2027 | another £200 |
| 6 months late | 31 Jan 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 Jul 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
- 12783807
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 31 July 2020 (6 years ago)
- Registered office
- Solar House, 282 Chase Road, London, N14 6NZ
- Nature of business
- Construction of commercial buildings (SIC 41201)
Construction of domestic buildings (SIC 41202)
Electrical installation (SIC 43210)
Plumbing, heat and air-conditioning installation (SIC 43220) - Year end
- 31 July (accounting reference date)
- Accounts type
- Total exemption (full)
- Last accounts made up to
- 31 July 2025
- Last confirmation statement
- 23 November 2025
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 London
Other active building contractors registered in London.
- 3Al Construction UK Ltd2024
- 3Am Properties Limited2021
- 3BD Services Ltd2025
- 3Bilt Ltd2025
- 3Bros Steelfixing Ltd2021
- 3D Site Services Ltd2025
- 3Eee- Construction Limited2022
- 3K Casa Ltd2020
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Frequently asked questions
When are 3Ace Mep Contractors (UK) Limited's accounts due?
3Ace Mep Contractors (UK) Limited's next accounts are due at Companies House by 30 April 2027 (in 199 days), covering the period to 31 July 2026.
When is 3Ace Mep Contractors (UK) Limited's CT600 due?
The CT600 for the period to 31 July 2026 is due at HMRC by 31 July 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 May 2027.
Is 3Ace Mep Contractors (UK) Limited still trading?
3Ace Mep Contractors (UK) 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 3Ace Mep Contractors (UK) Limited do?
3Ace Mep Contractors (UK) Limited is registered under Construction of commercial buildings (SIC 41201); Construction of domestic buildings (SIC 41202); Electrical installation (SIC 43210); Plumbing, heat and air-conditioning installation (SIC 43220).
How old is 3Ace Mep Contractors (UK) Limited?
3Ace Mep Contractors (UK) Limited was incorporated on 31 July 2020, 6 years ago.
What is the penalty if 3Ace Mep Contractors (UK) 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 3Ace Mep Contractors (UK) 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.