- Company number
- 16623933
- Incorporated
- 3 Aug 20251 year trading
- Registered office
- 3RD Floor, 86-90, Paul Street, London, EC2A 4NE
- Nature of business
- Construction of domestic buildings
Harding & Son Construction Ltd is a 1-year-old private limited company registered in London, company number 16623933, one of 12,075 building contractors in London. Its next accounts are due at Companies House on 3 May 2027, and its first CT600 is due at HMRC on 2 August 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 Harding & Son Construction Ltd is registered
The registered office is in London (EC2A), in the Hackney local authority area, London. Show EC2A 4NE on a map.
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Shared registered office
1,581 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 Harding & Son Construction 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 3 May 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 4 May 2027 to 3 Jun 2027 | £150 |
| 1 to 3 months late | 4 Jun 2027 to 3 Aug 2027 | £375 |
| 3 to 6 months late | 4 Aug 2027 to 3 Nov 2027 | £750 |
| More than 6 months late | From 4 Nov 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Sep 2027 | £200 |
| 3 months late | 30 Nov 2027 | another £200 |
| 6 months late | 29 Feb 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 Aug 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
- 16623933
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 3 August 2025 (1 year ago)
- Registered office
- 3RD Floor, 86-90, Paul Street, London, EC2A 4NE
- Nature of business
- Construction of domestic buildings (SIC 41202)
- Year end
- 31 August (accounting reference date)
- Accounts type
- No accounts filed yet
- Last confirmation statement
- 2 August 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.
- Hardman Contractors Ltd2026
- Hardworkers Ltd2019
- Haringey Construction Ltd2026
- Harir Construction Ltd2026
- Haris Ali Construction Limited2023
- Harlow Barrington Builders Limited2020
- Harmony Homes (London) Limited2015
- Harmor Properties Limited2000
All building contractors in London · All trades in London · Builders across the UK
Frequently asked questions
When are Harding & Son Construction Ltd's accounts due?
Harding & Son Construction Ltd's next accounts are due at Companies House by 3 May 2027 (in 203 days), covering the period to 31 August 2026.
When is Harding & Son Construction 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 2 August 2026, due by 2 August 2027, and one for the period to 31 August 2026, due by 31 August 2027. Corporation tax is payable 9 months and 1 day after the end of each.
Is Harding & Son Construction Ltd still trading?
Harding & Son Construction 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 Harding & Son Construction Ltd do?
Harding & Son Construction Ltd is registered under Construction of domestic buildings (SIC 41202).
How old is Harding & Son Construction Ltd?
Harding & Son Construction Ltd was incorporated on 3 August 2025, 1 year ago.
What is the penalty if Harding & Son Construction 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 Harding & Son Construction 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.