- Company number
- 16246445
- Incorporated
- 12 Feb 20251 year trading
- Registered office
- 72A Tolcarne Drive, Pinner, HA5 2DQ
- Nature of business
- Construction of commercial buildings; Construction of domestic buildings
Antonni Ltd is a 1-year-old private limited company registered in Pinner, company number 16246445, one of 110 building contractors in Pinner. Its next accounts are due at Companies House on 30 November 2027, and the CT600 for the period to 28 February 2027 is due at HMRC on 28 February 2028.
Key dates
Worked out from the year end and filing history on the Companies House register.
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Financial snapshot, 2026
From the balance sheet at 28 February 2026, as filed at Companies House.
Where Antonni Ltd is registered
The registered office is in Pinner (HA5), in the Hillingdon local authority area, London. Show HA5 2DQ on a map.
Other trade companies in HA5
- Elisop LtdCivil engineering
- Kite Property Management LtdBuilders
- Olivares and Hayter LtdSpecialist contractors
- Shallons Electrical LtdElectricians
- Executive Maintenance LtdFinishing trades
- Truspan LtdBuilders
- Mak Electrical Services LtdBuilders
- Bori Scaffolding LtdScaffolders
Also registered at this address
1 other company uses the same registered office as Antonni Ltd.
- Gaborelu LtdBuilders
What happens if Antonni 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 30 November 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Dec 2027 to 31 Dec 2027 | £150 |
| 1 to 3 months late | 1 Jan 2028 to 29 Feb 2028 | £375 |
| 3 to 6 months late | 1 Mar 2028 to 31 May 2028 | £750 |
| More than 6 months late | From 1 Jun 2028 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 29 Feb 2028 | £200 |
| 3 months late | 28 May 2028 | another £200 |
| 6 months late | 28 Aug 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 28 Feb 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
- 16246445
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 12 February 2025 (1 year ago)
- Registered office
- 72A Tolcarne Drive, Pinner, HA5 2DQ
- Nature of business
- Construction of commercial buildings (SIC 41201)
Construction of domestic buildings (SIC 41202) - Year end
- 28 February (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 28 February 2026
- Last confirmation statement
- 6 February 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 Pinner
Other active building contractors registered in Pinner.
- Arch Builders Ltd2022
- Archi Plus London Ltd2026
- Arcr Constructions Ltd2026
- At Construction & Builder Ltd2022
- B.C.R Building Contractors Limited2025
- Bespoke Homes by Stephen Anthony Ltd2019
- Brize Properties Ltd2023
- Buildera Construction Ltd2026
All building contractors in Pinner · All trades in Pinner · Builders across the UK
Frequently asked questions
When are Antonni Ltd's accounts due?
Antonni Ltd's next accounts are due at Companies House by 30 November 2027 (in 413 days), covering the period to 28 February 2027.
When is Antonni Ltd's CT600 due?
The CT600 for the period to 28 February 2027 is due at HMRC by 28 February 2028, 12 months after the period end. The corporation tax itself is payable earlier, by 1 December 2027.
Is Antonni Ltd still trading?
Antonni 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 Antonni Ltd do?
Antonni Ltd is registered under Construction of commercial buildings (SIC 41201); Construction of domestic buildings (SIC 41202).
How old is Antonni Ltd?
Antonni Ltd was incorporated on 12 February 2025, 1 year ago.
What is the penalty if Antonni 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 Antonni 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.