- Companies
- Finishing trades
- Harrow
- Atlantis Construct Ltd
Atlantis Construct Ltd
- Company number
- 12436645
- Incorporated
- 3 Feb 20206 years trading
- Registered office
- 2 Hartford Avenue, Harrow, HA3 8SY
- Nature of business
- Other building completion and finishing
Atlantis Construct Ltd is a 6-year-old private limited company registered in Harrow, company number 12436645, one of 251 building finishing companies in Harrow. Its next accounts are due at Companies House on 30 November 2026, and the CT600 for the period to 28 February 2026 is due at HMRC on 28 February 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 £15K (-74.1%) on the year before, to -£36K.
- Net assets rose in 0 of 3 year-on-year comparisons on record.
- 2 employees on average during the year.
- Balance sheets on record for 5 years, 2021 to 2025.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 28 Feb 2025 | -£36K | £31K | 2 | ||
| 29 Feb 2024 | -£20K | £0 | £0 | £16K | 2 |
| 28 Feb 2023 | -£19K | £2 | £2 | £13K | 2 |
| 28 Feb 2022 | -£19K | £6,801 | £6,801 | £13K | 2 |
| 28 Feb 2021 | 2 |
Where Atlantis Construct Ltd is registered
The registered office is in Harrow (HA3), in the Harrow local authority area, London. Show HA3 8SY on a map.
Other trade companies in HA3
- M&M Team Solutions LimitedCleaning companies
- Asr234 LimitedCivil engineering
- Shine Bright With NV LtdMechanics and garages
- Direct Sparks LtdMachinery repair and installation
- Meral Decoration & Maintenance LtdPainters and decorators
- Add22 LtdCivil engineering
- Floyd Cleaners LimitedCleaning companies
- Amalia&Ioana LimitedBuilders
What happens if Atlantis Construct 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 2026.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Dec 2026 to 31 Dec 2026 | £150 |
| 1 to 3 months late | 1 Jan 2027 to 28 Feb 2027 | £375 |
| 3 to 6 months late | 1 Mar 2027 to 31 May 2027 | £750 |
| More than 6 months late | From 1 Jun 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Mar 2027 | £200 |
| 3 months late | 28 May 2027 | another £200 |
| 6 months late | 28 Aug 2027 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 28 Feb 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
- 12436645
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 3 February 2020 (6 years ago)
- Registered office
- 2 Hartford Avenue, Harrow, HA3 8SY
- Nature of business
- Other building completion and finishing (SIC 43390)
- Year end
- 29 February (accounting reference date)
- Accounts type
- Total exemption (full)
- Last accounts made up to
- 28 February 2025
- Last confirmation statement
- 2 February 2026
Filing notes for building finishing companies
Finishing trade companies cover a wide range of work. Most are micro-entities with simple accounts and a straightforward CT600.
Similar companies in Harrow
Other active building finishing companies registered in Harrow.
- Audley Modular International Limited2025
- B. S. K. Construction Limited2001
- BC Construction Skills Ltd2015
- Bear Workz Ltd2026
- Best Build Developers Ltd2020
- Bhat & Co Ltd2026
- Blakes Homes Limited2003
- Bny London Ltd2026
All building finishing companies in Harrow · All trades in Harrow · Finishing trades across the UK
Frequently asked questions
When are Atlantis Construct Ltd's accounts due?
Atlantis Construct Ltd's next accounts are due at Companies House by 30 November 2026 (in 49 days), covering the period to 28 February 2026.
When is Atlantis Construct Ltd's CT600 due?
The CT600 for the period to 28 February 2026 is due at HMRC by 28 February 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 December 2026.
Is Atlantis Construct Ltd still trading?
Atlantis Construct 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 Atlantis Construct Ltd do?
Atlantis Construct Ltd is registered under Other building completion and finishing (SIC 43390).
How old is Atlantis Construct Ltd?
Atlantis Construct Ltd was incorporated on 3 February 2020, 6 years ago.
What is the penalty if Atlantis Construct 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 Atlantis Construct 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.