- Companies
- Joiners and carpenters
- Custom Installations and Maintenance Limited
Custom Installations and Maintenance Limited
- Company number
- SC306258
- Incorporated
- 2 Aug 200620 years trading
- Registered office
- 35 Clerwood Gardens, Edinburgh, EH12 8PX
- Nature of business
- Joinery installation
Custom Installations and Maintenance Limited is a 20-year-old private limited company, company number SC306258, one of the UK's joinery companies. Its next accounts are due at Companies House on 31 December 2026, and the CT600 for the period to 31 March 2026 is due at HMRC on 31 March 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 £418 (-3.1%) on the year before, to £13K.
- Net assets rose in 6 of 9 year-on-year comparisons on record.
- Current assets of £16K against £3,852 owed within a year: 4.2 times cover.
- 2 employees 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 Mar 2025 | £13K | £16K | £3,852 | 2 | |
| 31 Mar 2024 | £13K | £16K | £2,832 | 2 | |
| 31 Mar 2023 | £13K | £16K | £3,803 | 2 | |
| 31 Mar 2022 | -£2,430 | £1,840 | £4,453 | 2 | |
| 31 Mar 2021 | £9,018 | £15K | £1,400 | 2 | |
| 31 Mar 2020 | £8,270 | £14K | £6,730 | 2 | |
| 31 Mar 2019 | £14K | £30K | £18K | 2 | |
| 31 Mar 2018 | £8,732 | £277 | £277 | £4,880 | |
| 31 Mar 2017 | £7,653 | £22K | £15K | ||
| 31 Mar 2016 | £4,662 | £17K | £14K |
Who runs and owns Custom Installations and Maintenance Limited
From the Companies House register. Individuals are shown by initials only; the full register is on Companies House.
Officers (2)
| Name | Role | Appointed |
|---|---|---|
| S*** K*** | Director | Aug 2006 |
| L*** K*** | Secretary | Aug 2006 |
1 former officer
| Name | Role | Appointed | Left |
|---|---|---|---|
| L*** K*** | Director | Aug 2006 | Aug 2006 |
Person with significant control
Where Custom Installations and Maintenance Limited is registered
The registered office is in the EH12 postcode district, in the City of Edinburgh local authority area, Scotland. Show EH12 8PX on a map.
Other trade companies in EH12
- Edinburgh Autohub LtdMechanics and garages
- Mredl LimitedSpecialist contractors
- The Grange at Rosslynlee LtdProperty developers
- Varma Build LtdBuilders
- Rust & Restore LtdMotor traders
- Ecoss Landscaping LimitedGroundworks and demolition
- We Buy Any Taxi Ltd.Motor traders
- DHM Builder LtdFloor and wall tilers
What happens if Custom Installations and Maintenance Limited 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 December 2026.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Jan 2027 to 31 Jan 2027 | £150 |
| 1 to 3 months late | 1 Feb 2027 to 31 Mar 2027 | £375 |
| 3 to 6 months late | 1 Apr 2027 to 30 Jun 2027 | £750 |
| More than 6 months late | From 1 Jul 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Apr 2027 | £200 |
| 3 months late | 30 Jun 2027 | another £200 |
| 6 months late | 30 Sep 2027 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 Mar 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
- SC306258
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 2 August 2006 (20 years ago)
- Registered office
- 35 Clerwood Gardens, Edinburgh, EH12 8PX
- Nature of business
- Joinery installation (SIC 43320)
- Year end
- 31 March (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 31 March 2025
- Last confirmation statement
- 27 July 2026
Filing notes for joinery companies
Joinery companies can carry stock and work in progress at the year end, especially bespoke workshop work, and that figure moves the profit for the year.
Similar companies
Other active joinery companies.
Frequently asked questions
When are Custom Installations and Maintenance Limited's accounts due?
Custom Installations and Maintenance Limited's next accounts are due at Companies House by 31 December 2026 (in 80 days), covering the period to 31 March 2026.
When is Custom Installations and Maintenance Limited's CT600 due?
The CT600 for the period to 31 March 2026 is due at HMRC by 31 March 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 January 2027.
Is Custom Installations and Maintenance Limited still trading?
Custom Installations and Maintenance Limited 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 Custom Installations and Maintenance Limited do?
Custom Installations and Maintenance Limited is registered under Joinery installation (SIC 43320).
How old is Custom Installations and Maintenance Limited?
Custom Installations and Maintenance Limited was incorporated on 2 August 2006, 20 years ago.
Who runs Custom Installations and Maintenance Limited?
Custom Installations and Maintenance Limited has 1 active director, the longest-serving appointed in Aug 2006. Their names and service addresses are on the Companies House register.
Who owns Custom Installations and Maintenance Limited?
One person or company has significant control of Custom Installations and Maintenance Limited: an individual (has significant influence or control).
What is the penalty if Custom Installations and Maintenance Limited 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 Custom Installations and Maintenance Limited 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.