- Company number
- 12504329
- Incorporated
- 9 Mar 20206 years trading
- Registered office
- 276 Chase Road Suite 7-0020 Lonsto House, London, N14 6HA
- Nature of business
- Construction of commercial buildings; Construction of domestic buildings
Ademar Limited is a 6-year-old private limited company registered in London, company number 12504329, one of 12,075 building contractors in London. Its next accounts are due at Companies House on 15 October 2026, and the CT600 for the period to 15 January 2026 is due at HMRC on 15 January 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 £925 on the year before, to £927.
- Net assets rose in 2 of 4 year-on-year comparisons on record.
- Current assets of £31K against £30K owed within a year: 1.0 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 |
|---|---|---|---|---|---|
| 15 Jan 2025 | £927 | £31K | £30K | 1 | |
| 15 Jan 2024 | £2 | £6,828 | £6,826 | 1 | |
| 15 Jan 2023 | £392 | £6,583 | £6,191 | 1 | |
| 31 Mar 2022 | £100 | £100 | 1 | ||
| 31 Mar 2021 | £100 | £100 | 1 |
Where Ademar Limited is registered
The registered office is in London (N14), in the Enfield local authority area, London. Show N14 6HA on a map.
Other trade companies in N14
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- S&N Finishes LtdBuilders
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- Interior Build 1 LtdFinishing trades
- Niclons Engineering and Management LtdFinishing trades
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- Neonova Investments LtdProperty developers
What happens if Ademar 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 15 October 2026.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 16 Oct 2026 to 15 Nov 2026 | £150 |
| 1 to 3 months late | 16 Nov 2026 to 15 Jan 2027 | £375 |
| 3 to 6 months late | 16 Jan 2027 to 15 Apr 2027 | £750 |
| More than 6 months late | From 16 Apr 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 16 Jan 2027 | £200 |
| 3 months late | 15 Apr 2027 | another £200 |
| 6 months late | 15 Jul 2027 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 15 Jan 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
- 12504329
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 9 March 2020 (6 years ago)
- Registered office
- 276 Chase Road Suite 7-0020 Lonsto House, London, N14 6HA
- Nature of business
- Construction of commercial buildings (SIC 41201)
Construction of domestic buildings (SIC 41202) - Year end
- 15 January (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 15 January 2025
- Last confirmation statement
- 8 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 London
Other active building contractors registered in London.
- Adems Construction Ltd2026
- Adenor Homes Ltd2026
- Adeya Property Engineering Limited2025
- Adh Groundworks Ltd2021
- Adi Electrics Ltd2022
- Adibc Limited2018
- Adibuild Limited2015
- Adigun Ayodeji Limited2020
All building contractors in London · All trades in London · Builders across the UK
Frequently asked questions
When are Ademar Limited's accounts due?
Ademar Limited's next accounts are due at Companies House by 15 October 2026 (in 3 days), covering the period to 15 January 2026.
When is Ademar Limited's CT600 due?
The CT600 for the period to 15 January 2026 is due at HMRC by 15 January 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 16 October 2026.
Is Ademar Limited still trading?
Ademar 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 Ademar Limited do?
Ademar Limited is registered under Construction of commercial buildings (SIC 41201); Construction of domestic buildings (SIC 41202).
How old is Ademar Limited?
Ademar Limited was incorporated on 9 March 2020, 6 years ago.
What is the penalty if Ademar 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 Ademar 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.