- Companies
- Specialist contractors
- London
- Iwik Construction Ltd
Iwik Construction Ltd
- Company number
- 07818709
- Incorporated
- 21 Oct 201114 years trading
- Registered office
- 320 Garratt Lane, London, SW18 4EJ
- Nature of business
- Other specialised construction activities n.e.c.
Iwik Construction Ltd is a 14-year-old private limited company registered in London, company number 07818709, one of 4,318 specialist construction companies in London. Its next accounts are due at Companies House on 31 July 2027, and the CT600 for the period to 31 October 2026 is due at HMRC on 31 October 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 up £50K (+14.2%) on the year before, to £403K.
- Net assets rose in 8 of 9 year-on-year comparisons on record.
- Current assets of £680K against £277K owed within a year: 2.5 times cover.
- 1 employee on average during the year.
- Balance sheets on record for 10 years, 2016 to 2025.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 31 Oct 2025 | £403K | £680K | £277K | 1 | |
| 31 Oct 2024 | £353K | £579K | £227K | 1 | |
| 31 Oct 2023 | £338K | £26K | £473K | £138K | 1 |
| 31 Oct 2022 | £290K | £379K | £439K | £153K | 1 |
| 31 Oct 2021 | £209K | £223K | £303K | £98K | 1 |
| 31 Oct 2020 | £187K | £205K | £285K | £98K | 1 |
| 31 Oct 2019 | £151K | £51K | £211K | £63K | 1 |
| 31 Oct 2018 | £121K | £56K | £305K | £190K | 1 |
| 31 Oct 2017 | £191K | £126K | £269K | £86K | 1 |
| 31 Oct 2016 | £139K | £1,149 | £271K | £136K |
Who runs and owns Iwik Construction Ltd
From the Companies House register. Individuals are shown by initials only; the full register is on Companies House.
Officer
| Name | Role | Appointed |
|---|---|---|
| D*** M*** | Director | Oct 2011 |
Person with significant control
Where Iwik Construction Ltd is registered
The registered office is in London (SW18), in the Wandsworth local authority area, London. Show SW18 4EJ on a map.
Other trade companies in SW18
- Altius 24CHT LimitedProperty developers
- Nexlink Technologies LtdElectricians
- Straightedge Builders LtdProperty developers
- Parsons Green Re Design & Build LimitedProperty developers
- Home Appliances Repair LimitedRepair services
- 34 & 34A Lambrook Terrace Freehold LtdProperty developers
- 30 Thorndean LtdProperty developers
- Fircroft Group LimitedProperty developers
Also registered at this address
14 other companies use the same registered office as Iwik Construction Ltd.
- Astragal Doors and Windows LtdGlaziers
- Atheneum Developments LtdSpecialist contractors
- Conlon Contracts LtdBuilders
- Garden Club London LimitedLandscapers and gardeners
- HWJ Developments LimitedProperty developers
- Jane Woods Design and Project Management LimitedFinishing trades
- JJS Mouldings LimitedRoofers
- Krissbo LimitedBuilders
- Polarac LtdPlumbers and heating engineers
- Pure Maintenance LimitedProperty developers
- Qualitas London LimitedBuilders
- Studdert Property LimitedProperty developers
- Trakehner LtdProperty developers
- Warm Design and Build LtdBuilders
What happens if Iwik 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 31 July 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Aug 2027 to 31 Aug 2027 | £150 |
| 1 to 3 months late | 1 Sep 2027 to 31 Oct 2027 | £375 |
| 3 to 6 months late | 1 Nov 2027 to 31 Jan 2028 | £750 |
| More than 6 months late | From 1 Feb 2028 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Nov 2027 | £200 |
| 3 months late | 31 Jan 2028 | another £200 |
| 6 months late | 30 Apr 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 Oct 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
- 07818709
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 21 October 2011 (14 years ago)
- Registered office
- 320 Garratt Lane, London, SW18 4EJ
- Nature of business
- Other specialised construction activities n.e.c. (SIC 43999)
- Year end
- 31 October (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 31 October 2025
- Last confirmation statement
- 21 October 2025
Filing notes for specialist construction companies
Specialist contractors often work under CIS for main contractors. Retentions held back by the customer still count towards turnover once the work is done.
Similar companies in London
Other active specialist construction companies registered in London.
- Izingari Ltd.2012
- Izodekor Ltd2020
- J A J Professional Paving Ltd2012
- J Austin Interiors Ltd2018
- J B Fire Systems Limited2003
- J Coffey Plumbing and Heating Limited2024
- J D Carpentry & Build Ltd2025
- J E Controls Limited2023
All specialist construction companies in London · All trades in London · Specialist contractors across the UK
Frequently asked questions
When are Iwik Construction Ltd's accounts due?
Iwik Construction Ltd's next accounts are due at Companies House by 31 July 2027 (in 292 days), covering the period to 31 October 2026.
When is Iwik Construction Ltd's CT600 due?
The CT600 for the period to 31 October 2026 is due at HMRC by 31 October 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 August 2027.
Is Iwik Construction Ltd still trading?
Iwik 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 Iwik Construction Ltd do?
Iwik Construction Ltd is registered under Other specialised construction activities n.e.c. (SIC 43999).
How old is Iwik Construction Ltd?
Iwik Construction Ltd was incorporated on 21 October 2011, 14 years ago.
Who runs Iwik Construction Ltd?
Iwik Construction Ltd has 1 active director, the longest-serving appointed in Oct 2011. Their names and service addresses are on the Companies House register.
Who owns Iwik Construction Ltd?
One person or company has significant control of Iwik Construction Ltd: an individual (owns 75% or more of the shares).
What is the penalty if Iwik 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 Iwik 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.