- Company number
- 15806813
- Incorporated
- 27 Jun 20242 years trading
- Registered office
- 156 Willingale Road, Loughton, IG10 2DA
- Nature of business
- Construction of commercial buildings; Construction of domestic buildings; Other construction installation
An1 Contractors Ltd is a 2-year-old private limited company registered in Loughton, company number 15806813, one of 167 building contractors in Loughton. Its next accounts are due at Companies House on 31 March 2027, and the CT600 for the period to 30 June 2026 is due at HMRC on 30 June 2027.
Key dates
Worked out from the year end and filing history on the Companies House register.
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Financial snapshot, 2025
From the balance sheet at 30 June 2025, as filed at Companies House.
Where An1 Contractors Ltd is registered
The registered office is in Loughton (IG10), in the Epping Forest local authority area, East of England. Show IG10 2DA on a map.
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Also registered at this address
1 other company uses the same registered office as An1 Contractors Ltd.
- Ed's Loft Conversions LtdRoofers
What happens if An1 Contractors 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 31 March 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Apr 2027 to 30 Apr 2027 | £150 |
| 1 to 3 months late | 1 May 2027 to 30 Jun 2027 | £375 |
| 3 to 6 months late | 1 Jul 2027 to 30 Sep 2027 | £750 |
| More than 6 months late | From 1 Oct 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Jul 2027 | £200 |
| 3 months late | 30 Sep 2027 | another £200 |
| 6 months late | 30 Dec 2027 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 30 Jun 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
- 15806813
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 27 June 2024 (2 years ago)
- Registered office
- 156 Willingale Road, Loughton, IG10 2DA
- Nature of business
- Construction of commercial buildings (SIC 41201)
Construction of domestic buildings (SIC 41202)
Other construction installation (SIC 43290) - Year end
- 30 June (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 30 June 2025
- Last confirmation statement
- 24 July 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 Loughton
Other active building contractors registered in Loughton.
- Apex Steel Holdings Limited2002
- Apex Steel Structures Limited1995
- Arcicris Ltd2020
- Audley Homes (Frinton Manor) Limited2013
- Av.Fixbuilding Ltd2023
- Ava Capital Construction Limited2025
- Axrc Interiors Ltd2024
- B &S Homeworks Ltd2025
All building contractors in Loughton · All trades in Loughton · Builders across the UK
Frequently asked questions
When are An1 Contractors Ltd's accounts due?
An1 Contractors Ltd's next accounts are due at Companies House by 31 March 2027 (in 169 days), covering the period to 30 June 2026.
When is An1 Contractors Ltd's CT600 due?
The CT600 for the period to 30 June 2026 is due at HMRC by 30 June 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 April 2027.
Is An1 Contractors Ltd still trading?
An1 Contractors 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 An1 Contractors Ltd do?
An1 Contractors Ltd is registered under Construction of commercial buildings (SIC 41201); Construction of domestic buildings (SIC 41202); Other construction installation (SIC 43290).
How old is An1 Contractors Ltd?
An1 Contractors Ltd was incorporated on 27 June 2024, 2 years ago.
What is the penalty if An1 Contractors 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 An1 Contractors 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.