- Companies
- Installers
- Cramlington
- Calmount Limited
Calmount Limited
- Company number
- 08887494
- Incorporated
- 11 Feb 201412 years trading
- Registered office
- 12 Easington Avenue, Cramlington, Northumberland, NE23 3HR
- Nature of business
- Other construction installation
Calmount Limited is a 12-year-old private limited company registered in Cramlington, company number 08887494, one of 10 installation companies (insulation, lifts, shutters and similar) in Cramlington. 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 £1,813 (-59.5%) on the year before, to £1,233.
- Net assets rose in 5 of 9 year-on-year comparisons on record.
- Current assets of £17K against £16K owed within a year: 1.1 times cover.
- No employees reported for the latest year (directors are often not counted as employees).
- 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 |
|---|---|---|---|---|---|
| 28 Feb 2025 | £1,233 | £7,501 | £17K | £16K | 0 |
| 29 Feb 2024 | £3,046 | £8,870 | £19K | £17K | 2 |
| 28 Feb 2023 | £4,618 | £10K | £20K | £17K | 2 |
| 28 Feb 2022 | £4,093 | £3,165 | £15K | £12K | 2 |
| 28 Feb 2021 | £5,612 | £9,582 | £21K | £16K | 2 |
| 29 Feb 2020 | £3,621 | £5,160 | £17K | £14K | 2 |
| 28 Feb 2019 | £4,391 | £3,415 | £16K | £13K | 2 |
| 28 Feb 2018 | £4,151 | £3,459 | £16K | £13K | 2 |
| 28 Feb 2017 | £336 | £4,648 | £16K | £17K | 2 |
| 29 Feb 2016 | £101 | £3,734 | £15K | £16K |
Where Calmount Limited is registered
The registered office is in Cramlington (NE23), in the Northumberland local authority area, North East. Show NE23 3HR on a map.
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- Lake Industrial MHT LtdInstallers
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- Cromex Developments LtdProperty developers
- Northern Heritage LtdProperty developers
- Trusted Hands Northeast LtdCleaning companies
- Calimer Engineering & Design LtdProperty developers
- Elite Access Systems LtdScaffolders
What happens if Calmount 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 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
- 08887494
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 11 February 2014 (12 years ago)
- Registered office
- 12 Easington Avenue, Cramlington, Northumberland, NE23 3HR
- Nature of business
- Other construction installation (SIC 43290)
- Year end
- 28 February (accounting reference date)
- Accounts type
- Total exemption (full)
- Last accounts made up to
- 28 February 2025
- Last confirmation statement
- 14 April 2026
Filing notes for installation companies (insulation, lifts, shutters and similar)
Installation companies (insulation, lifts, shutters, solar and similar) often buy stock and equipment up front, so stock at the year end and capital allowances both affect the tax bill.
Similar companies in Cramlington
Other active installation companies (insulation, lifts, shutters and similar) registered in Cramlington.
- CSD Technical Services Limited2015
- JDG Drylining Ltd2025
- Kennedy Offshore Welding Ltd2022
- Lake Industrial MHT Ltd2026
- Lifts-N-All Ltd2026
- LJC Projects Limited2011
- R&I Construction (North East) Limited2021
- Tyne Ceilings Ltd2024
All installation companies (insulation, lifts, shutters and similar) in Cramlington · All trades in Cramlington · Installers across the UK
Frequently asked questions
When are Calmount Limited's accounts due?
Calmount Limited's next accounts are due at Companies House by 30 November 2026 (in 49 days), covering the period to 28 February 2026.
When is Calmount Limited'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 Calmount Limited still trading?
Calmount 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 Calmount Limited do?
Calmount Limited is registered under Other construction installation (SIC 43290).
How old is Calmount Limited?
Calmount Limited was incorporated on 11 February 2014, 12 years ago.
What is the penalty if Calmount 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 Calmount 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.