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- Activ Insulation Ltd
Company profile · Installers
Activ Insulation Ltd
Activ Insulation Ltd is a 6-year-old private limited company registered in Cambridge, company number 12496363, one of 66 installation companies (insulation, lifts, shutters and similar) in Cambridge. 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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Activ Insulation Ltd over the years
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 £16K (+5.7%) on the year before, to £300K.
- Net assets rose in 4 of 4 year-on-year comparisons on record.
- Current assets of £331K against £32K owed within a year: more than 10 times cover.
- 1 employee on average during the year.
- Balance sheets on record for 5 years, 2021 to 2025.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 31 Mar 2025 | £300K | £331K | £32K | 1 | |
| 31 Mar 2024 | £284K | £427K | £145K | 1 | |
| 31 Mar 2023 | £143K | £173K | £32K | 1 | |
| 31 Mar 2022 | £110K | £112K | £4,995 | 1 | |
| 31 Mar 2021 | £55K | £95K | £29K | 1 |
Where Activ Insulation Ltd is registered
The registered office is in Cambridge (CB23), in the South Cambridgeshire local authority area, East of England. Show CB23 4NE on a map.
Other trade companies in CB23
- Hayberry Developments LtdProperty developers
- L & A's Care LimitedCleaning companies
- Colton Brickwork LimitedInstallers
- Xpray Group LtdCleaning companies
- Precision Vehicle Solutions LtdMechanics and garages
- Kayb Paint Work LtdPainters and decorators
- Planted Spaces LtdLandscapers and gardeners
- Georgi Garage LtdMechanics and garages
What happens if Activ Insulation 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 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
- 12496363
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 4 March 2020 (6 years ago)
- Registered office
- 5 Hunting Grove, Boxworth, Cambridge, CB23 4NE
- Nature of business
- Other construction installation (SIC 43290)
- Year end
- 31 March (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 31 March 2025
- Last confirmation statement
- 3 March 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 Cambridge
Other active installation companies (insulation, lifts, shutters and similar) registered in Cambridge.
- Ademnat Ltd2022
- Arbantia Limited2007
- Atlas Insulation Products Limited2015
- Avenue Driveways Ltd2022
- Birch's Groundworks Limited2025
- Bluepoint Technologies Limited2008
- Broadgate Fencing Limited2024
- C M Bricklaying & Building Services Ltd2022
All installation companies (insulation, lifts, shutters and similar) in Cambridge · All trades in Cambridge · Installers across the UK
Frequently asked questions
When are Activ Insulation Ltd's accounts due?
Activ Insulation Ltd's next accounts are due at Companies House by 31 December 2026 (in 80 days), covering the period to 31 March 2026.
When is Activ Insulation Ltd'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 Activ Insulation Ltd still trading?
Activ Insulation 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 Activ Insulation Ltd do?
Activ Insulation Ltd is registered under Other construction installation (SIC 43290).
How old is Activ Insulation Ltd?
Activ Insulation Ltd was incorporated on 4 March 2020, 6 years ago.
What is the penalty if Activ Insulation 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 Activ Insulation 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.