- Company number
- 13863188
- Incorporated
- 21 Jan 20224 years trading
- Registered office
- 52 Doulton Close, Harlow, CM17 9RG
- Nature of business
- Construction of domestic buildings
Act Smart Construction Ltd is a 4-year-old private limited company registered in Harlow, company number 13863188, one of 223 building contractors in Harlow. Its next accounts are due at Companies House on 29 October 2026, and the CT600 for the period to 29 January 2026 is due at HMRC on 29 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 down £23K (-112.4%) on the year before, to -£2,475.
- Current assets of £59K against £63K owed within a year: 0.9 times cover.
- 3 employees on average during the year.
- Balance sheets on record for 3 years, 2023 to 2025.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 31 Jan 2025 | -£2,475 | £1,433 | £59K | £63K | 3 |
| 31 Jan 2024 | £20K | £11K | £43K | £27K | 3 |
| 31 Jan 2023 | -£10K | £16K | £16K | £28K | 3 |
Where Act Smart Construction Ltd is registered
The registered office is in Harlow (CM17), in the Harlow local authority area, East of England. Show CM17 9RG on a map.
Other trade companies in CM17
- Ella's Team Home Improvement LtdLandscapers and gardeners
- Page & Co Construction LimitedBuilders
- Woodside Contracting LimitedProperty developers
- RBPG Response LimitedInstallers
- Black Eagle Mobile Tyres LtdMotor traders
- Prime Roofing & Building LtdRoofers
- Clinto Properties LtdProperty developers
- Om Electrics LtdElectricians
What happens if Act Smart 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 29 October 2026.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 30 Oct 2026 to 29 Nov 2026 | £150 |
| 1 to 3 months late | 30 Nov 2026 to 29 Jan 2027 | £375 |
| 3 to 6 months late | 30 Jan 2027 to 29 Apr 2027 | £750 |
| More than 6 months late | From 30 Apr 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 30 Jan 2027 | £200 |
| 3 months late | 29 Apr 2027 | another £200 |
| 6 months late | 29 Jul 2027 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 29 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
- 13863188
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 21 January 2022 (4 years ago)
- Registered office
- 52 Doulton Close, Harlow, CM17 9RG
- Nature of business
- Construction of domestic buildings (SIC 41202)
- Year end
- 29 January (accounting reference date)
- Accounts type
- Total exemption (full)
- Last accounts made up to
- 31 January 2025
- Last confirmation statement
- 26 May 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 Harlow
Other active building contractors registered in Harlow.
- Ag Home Builders Limited2022
- Ajc Construction Services Ltd2017
- Alemax Systems Ltd2023
- Alex & John Ltd2023
- Alexc Limited2017
- Alien Jointing Ltd2022
- Alinamlux Ltd2024
- All Garden Rooms Ltd2023
All building contractors in Harlow · All trades in Harlow · Builders across the UK
Frequently asked questions
When are Act Smart Construction Ltd's accounts due?
Act Smart Construction Ltd's next accounts are due at Companies House by 29 October 2026 (in 17 days), covering the period to 29 January 2026.
When is Act Smart Construction Ltd's CT600 due?
The CT600 for the period to 29 January 2026 is due at HMRC by 29 January 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 30 October 2026.
Is Act Smart Construction Ltd still trading?
Act Smart 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 Act Smart Construction Ltd do?
Act Smart Construction Ltd is registered under Construction of domestic buildings (SIC 41202).
How old is Act Smart Construction Ltd?
Act Smart Construction Ltd was incorporated on 21 January 2022, 4 years ago.
What is the penalty if Act Smart 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 Act Smart 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.