- Companies
- Property developers
- Mold
- One Complete Installations Ltd
One Complete Installations Ltd
- Company number
- 10773966
- Incorporated
- 16 May 20179 years trading
- Registered office
- 51 Park Avenue, Mynydd Isa, Mold, CH7 6XR
- Nature of business
- Development of building projects
One Complete Installations Ltd is a 9-year-old private limited company registered in Mold, company number 10773966, one of 48 property development companies in Mold. Its next accounts are due at Companies House on 28 February 2027, and the CT600 for the period to 31 May 2026 is due at HMRC on 31 May 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 £264K (+46.5%) on the year before, to £833K.
- Net assets rose in 6 of 7 year-on-year comparisons on record.
- Current assets of £924K against £145K owed within a year: 6.4 times cover.
- 1 employee on average during the year.
- Balance sheets on record for 8 years, 2018 to 2025.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 31 May 2025 | £833K | £262K | £924K | £145K | 1 |
| 31 May 2024 | £569K | £128K | £652K | £135K | 1 |
| 31 May 2023 | £309K | £112K | £415K | £138K | 1 |
| 31 May 2022 | £90K | £74K | £223K | £53K | 1 |
| 31 May 2021 | £122K | £115K | £230K | £58K | 1 |
| 31 May 2020 | £75K | £53K | £99K | £17K | 1 |
| 31 May 2019 | £65K | £42K | £89K | £18K | |
| 31 May 2018 | -£13K | £1,358 | £1,606 |
Who runs and owns One Complete Installations Ltd
From the Companies House register. Individuals are shown by initials only; the full register is on Companies House.
Officer
| Name | Role | Appointed |
|---|---|---|
| C*** H*** | Director | May 2017 |
Person with significant control
Where One Complete Installations Ltd is registered
The registered office is in Mold (CH7), in the Flintshire local authority area, Wales. Show CH7 6XR on a map.
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- Gallagher Technical LtdCivil engineering
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What happens if One Complete Installations 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 28 February 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Mar 2027 to 31 Mar 2027 | £150 |
| 1 to 3 months late | 1 Apr 2027 to 31 May 2027 | £375 |
| 3 to 6 months late | 1 Jun 2027 to 31 Aug 2027 | £750 |
| More than 6 months late | From 1 Sep 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Jun 2027 | £200 |
| 3 months late | 31 Aug 2027 | another £200 |
| 6 months late | 30 Nov 2027 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 May 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
- 10773966
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 16 May 2017 (9 years ago)
- Registered office
- 51 Park Avenue, Mynydd Isa, Mold, CH7 6XR
- Nature of business
- Development of building projects (SIC 41100)
- Year end
- 31 May (accounting reference date)
- Accounts type
- Total exemption (full)
- Last accounts made up to
- 31 May 2025
- Last confirmation statement
- 12 May 2026
Filing notes for property development companies
Many property development companies are single-project vehicles. Stock of land and buildings sits on the balance sheet as work in progress until sale, and a company that has finished its project may become dormant rather than close.
Similar companies in Mold
Other active property development companies registered in Mold.
- Parkland Homes Ltd2019
- Paterson Macaulay & Owens Ltd2023
- Quirks Property Maintenance Ltd2015
- Red Jam Developments Limited2005
- Ringden Projects Limited2019
- Robinson Jones Construction Limited2014
- SF Project & Technical Services Ltd2015
- SNJ Consult Ltd2025
All property development companies in Mold · All trades in Mold · Property developers across the UK
Frequently asked questions
When are One Complete Installations Ltd's accounts due?
One Complete Installations Ltd's next accounts are due at Companies House by 28 February 2027 (in 139 days), covering the period to 31 May 2026.
When is One Complete Installations Ltd's CT600 due?
The CT600 for the period to 31 May 2026 is due at HMRC by 31 May 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 March 2027.
Is One Complete Installations Ltd still trading?
One Complete Installations 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 One Complete Installations Ltd do?
One Complete Installations Ltd is registered under Development of building projects (SIC 41100).
How old is One Complete Installations Ltd?
One Complete Installations Ltd was incorporated on 16 May 2017, 9 years ago.
Who runs One Complete Installations Ltd?
One Complete Installations Ltd has 1 active director, the longest-serving appointed in May 2017. Their names and service addresses are on the Companies House register.
Who owns One Complete Installations Ltd?
One person or company has significant control of One Complete Installations Ltd: an individual (owns 75% or more of the shares).
What is the penalty if One Complete Installations 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 One Complete Installations 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.