- Companies
- Machinery repair and installation
- Romsey
- Coil Maintenance Limited
Coil Maintenance Limited
- Company number
- 03958637
- Incorporated
- 28 Mar 200026 years trading
- Registered office
- Unit 1 Ash Hill Common, Sherfield English, Romsey, Hampshire, SO51 6FU
- Nature of business
- Repair of other equipment
Coil Maintenance Limited is a 26-year-old private limited company registered in Romsey, company number 03958637, one of 18 machinery repair and installation companies in Romsey. Its next accounts are due at Companies House on 30 April 2027, and the CT600 for the period to 31 July 2026 is due at HMRC on 31 July 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 £51K (-49.7%) on the year before, to £52K.
- Net assets rose in 5 of 9 year-on-year comparisons on record.
- Current assets of £307K against £281K owed within a year: 1.1 times cover.
- 4 employees on average during the year.
- Balance sheets on record for 10 years, 2017 to 2025.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 31 Jul 2025 | £52K | £307K | £281K | 4 | |
| 31 Jul 2024 | £104K | £364K | £300K | 4 | |
| 31 Jul 2023 | £282K | £515K | £298K | 4 | |
| 31 Jul 2022 | £132K | £253K | £153K | 4 | |
| 31 Jul 2021 | £124K | £329K | £217K | 5 | |
| 31 Jul 2020 | £98K | £299K | £217K | 5 | |
| 31 Jul 2019 | £159K | £324K | £185K | ||
| 31 Jul 2018 | £136K | £367K | £247K | ||
| 30 Jul 2018 | £136K | £367K | £247K | ||
| 31 Jul 2017 | £115K | £303K | £211K |
Where Coil Maintenance Limited is registered
The registered office is in Romsey (SO51), in the Wiltshire local authority area, South West. Show SO51 6FU on a map.
Other trade companies in SO51
- Automarketgroup LtdMotor traders
- Mitchells Magic LtdPainters and decorators
- Emmerdale Agriculture Online LtdLandscapers and gardeners
- McAy Sprays LtdPainters and decorators
- SB Maintenance LimitedFacilities management
- Oscar Landscaping and Building LimitedBuilders
- Haime Construction LimitedProperty developers
- Black Lake Operations LtdRoofers
Also registered at this address
9 other companies use the same registered office as Coil Maintenance Limited.
- 'Building' Integrated Developments LtdBuilders
- DCD Fencing LtdSpecialist contractors
- Ede Plumbing & Heating LtdPlumbers and heating engineers
- Ferguson Joinery LimitedSpecialist contractors
- Glebe Garage LtdMechanics and garages
- NRJ Electrical Solutions LimitedElectricians
- Roger Ward Building LtdBuilders
- Seans Floors LtdFloor and wall tilers
- SG Properties (London) LtdProperty developers
What happens if Coil 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 30 April 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 May 2027 to 31 May 2027 | £150 |
| 1 to 3 months late | 1 Jun 2027 to 31 Jul 2027 | £375 |
| 3 to 6 months late | 1 Aug 2027 to 31 Oct 2027 | £750 |
| More than 6 months late | From 1 Nov 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Aug 2027 | £200 |
| 3 months late | 31 Oct 2027 | another £200 |
| 6 months late | 31 Jan 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 Jul 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
- 03958637
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 28 March 2000 (26 years ago)
- Registered office
- Unit 1 Ash Hill Common, Sherfield English, Romsey, Hampshire, SO51 6FU
- Nature of business
- Repair of other equipment (SIC 33190)
- Year end
- 31 July (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 31 July 2025
- Last confirmation statement
- 28 March 2026
Filing notes for machinery repair and installation companies
Machinery repair and installation companies often carry parts stock and specialist tools, and many work on contracts that span the year end.
Similar companies in Romsey
Other active machinery repair and installation companies registered in Romsey.
- Drummond Heating Ltd.2011
- I Boat Valet Ltd2018
- Martock Diesel Services Limited2019
- MS Race Engineering Limited2012
- R S Design & Technology Ltd2011
- Sammy Peach Ltd2020
- SDM Fuel Solutions Limited2011
- Sparcraft Racing Limited1995
All machinery repair and installation companies in Romsey · All trades in Romsey · Machinery repair and installation across the UK
Frequently asked questions
When are Coil Maintenance Limited's accounts due?
Coil Maintenance Limited's next accounts are due at Companies House by 30 April 2027 (in 199 days), covering the period to 31 July 2026.
When is Coil Maintenance Limited's CT600 due?
The CT600 for the period to 31 July 2026 is due at HMRC by 31 July 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 May 2027.
Is Coil Maintenance Limited still trading?
Coil 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 Coil Maintenance Limited do?
Coil Maintenance Limited is registered under Repair of other equipment (SIC 33190).
How old is Coil Maintenance Limited?
Coil Maintenance Limited was incorporated on 28 March 2000, 26 years ago.
What is the penalty if Coil 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 Coil 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.