- Companies
- Builders
- Walthamstow
- Aj Construction Expert Ltd
Aj Construction Expert Ltd
- Company number
- 16498884
- Incorporated
- 5 Jun 20251 year trading
- Registered office
- 29 Acacia Road, Walthamstow, London, E17 8BN
- Nature of business
- Construction of commercial buildings; Construction of domestic buildings; Real estate agencies
Aj Construction Expert Ltd is a 1-year-old private limited company registered in Walthamstow, company number 16498884, one of 24 building contractors in Walthamstow. Its next accounts are due at Companies House on 5 March 2027, and its first CT600 is due at HMRC on 4 June 2027.
Key dates
This company has not filed accounts yet. First accounts are due 21 months after incorporation, and the first period can run longer than a year.
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Where Aj Construction Expert Ltd is registered
The registered office is in Walthamstow (E17), in the Waltham Forest local authority area, London. Show E17 8BN on a map.
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What happens if Aj Construction Expert 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 5 March 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 6 Mar 2027 to 5 Apr 2027 | £150 |
| 1 to 3 months late | 6 Apr 2027 to 5 Jun 2027 | £375 |
| 3 to 6 months late | 6 Jun 2027 to 5 Sep 2027 | £750 |
| More than 6 months late | From 6 Sep 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
- 16498884
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 5 June 2025 (1 year ago)
- Registered office
- 29 Acacia Road, Walthamstow, London, E17 8BN
- Nature of business
- Construction of commercial buildings (SIC 41201)
Construction of domestic buildings (SIC 41202)
Real estate agencies (SIC 68310) - Year end
- 30 June (accounting reference date)
- Accounts type
- No accounts filed yet
- Last confirmation statement
- 4 June 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 Walthamstow
Other active building contractors registered in Walthamstow.
- Albimi Ltd2016
- Building & Plumbing Services Ltd2018
- Compmain Limited1973
- Easy Buildtech UK Limited2022
- Echo London Builders Ltd2020
- Elegant Tiling Group Limited2023
- Forest Lofts Ltd2013
- Garner Advanced Limited2014
All building contractors in Walthamstow · All trades in Walthamstow · Builders across the UK
Frequently asked questions
When are Aj Construction Expert Ltd's accounts due?
Aj Construction Expert Ltd's next accounts are due at Companies House by 5 March 2027 (in 143 days), covering the period to 30 June 2026.
When is Aj Construction Expert Ltd's CT600 due?
The first accounts cover more than 12 months, so there are two Company Tax Returns: one for the 12 months to 4 June 2026, due by 4 June 2027, and one for the period to 30 June 2026, due by 30 June 2027. Corporation tax is payable 9 months and 1 day after the end of each.
Is Aj Construction Expert Ltd still trading?
Aj Construction Expert 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 Aj Construction Expert Ltd do?
Aj Construction Expert Ltd is registered under Construction of commercial buildings (SIC 41201); Construction of domestic buildings (SIC 41202); Real estate agencies (SIC 68310).
How old is Aj Construction Expert Ltd?
Aj Construction Expert Ltd was incorporated on 5 June 2025, 1 year ago.
What is the penalty if Aj Construction Expert 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 Aj Construction Expert 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.