- Companies
- Specialist contractors
- Dereham
- Tetra Firestopping Limited
Tetra Firestopping Limited
- Company number
- 12253129
- Incorporated
- 9 Oct 20197 years trading
- Registered office
- The White House, High Street, Dereham, Norfolk, NR19 1DR
- Nature of business
- Other specialised construction activities n.e.c.
Tetra Firestopping Limited is a 7-year-old private limited company registered in Dereham, company number 12253129, one of 27 specialist construction companies in Dereham. Its next accounts are due at Companies House on 31 July 2027, and the CT600 for the period to 31 October 2026 is due at HMRC on 31 October 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 £32K (+13.4%) on the year before, to £269K.
- Net assets rose in 4 of 5 year-on-year comparisons on record.
- Current assets of £410K against £137K owed within a year: 3.0 times cover.
- 3 employees on average, up from 1 the year before.
- Balance sheets on record for 6 years, 2020 to 2025.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 31 Oct 2025 | £269K | £410K | £137K | 3 | |
| 31 Oct 2024 | £238K | £327K | £125K | 1 | |
| 31 Oct 2023 | £177K | £253K | £97K | 1 | |
| 31 Oct 2022 | £38K | £99K | £67K | 1 | |
| 31 Oct 2021 | £38K | £99K | £69K | 0 | |
| 31 Oct 2020 | £69K | £100K | £42K | 0 |
Who runs and owns Tetra Firestopping Limited
From the Companies House register. Individuals are shown by initials only; the full register is on Companies House.
Officer
| Name | Role | Appointed |
|---|---|---|
| C*** G*** | Director | Oct 2019 |
2 former officers
| Name | Role | Appointed | Left |
|---|---|---|---|
| P*** G*** | Director | Oct 2019 | Nov 2019 |
| M*** G*** | Director | Oct 2019 | Nov 2019 |
Person with significant control
Where Tetra Firestopping Limited is registered
The registered office is in Dereham (NR19), in the Breckland local authority area, East of England. Show NR19 1DR on a map.
Other trade companies in NR19
- Bure Power LtdCivil engineering
- A&R Drylining LimitedCivil engineering
- Mac Carpentry & Bespoke Joinery LtdFinishing trades
- Randalls Gardening & Landscaping LimitedLandscapers and gardeners
- Randall Brothers LimitedInstallers
- Randalls Grounds Maintenance LimitedLandscapers and gardeners
- M & M Commercials LtdMechanics and garages
- Gutter Pro LimitedCleaning companies
Also registered at this address
8 other companies use the same registered office as Tetra Firestopping Limited.
- Elliott and Harding LtdPlumbers and heating engineers
- Greenacre Electrical LtdElectricians
- Lloyd Bowles LimitedJoiners and carpenters
- LNS Interiors LimitedInstallers
- Ma Autocool LimitedMechanics and garages
- Norfolk Dry Wall (Essex) LimitedInstallers
- Norfolk Dry Wall LimitedInstallers
- Render Restoration LtdInstallers
What happens if Tetra Firestopping 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 July 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Aug 2027 to 31 Aug 2027 | £150 |
| 1 to 3 months late | 1 Sep 2027 to 31 Oct 2027 | £375 |
| 3 to 6 months late | 1 Nov 2027 to 31 Jan 2028 | £750 |
| More than 6 months late | From 1 Feb 2028 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Nov 2027 | £200 |
| 3 months late | 31 Jan 2028 | another £200 |
| 6 months late | 30 Apr 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 Oct 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
- 12253129
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 9 October 2019 (7 years ago)
- Registered office
- The White House, High Street, Dereham, Norfolk, NR19 1DR
- Nature of business
- Other specialised construction activities n.e.c. (SIC 43999)
- Year end
- 31 October (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 31 October 2025
- Last confirmation statement
- 8 October 2025
- Previous names
- NDW Fire Stopping Limited (until 27 Nov 2019)
Filing notes for specialist construction companies
Specialist contractors often work under CIS for main contractors. Retentions held back by the customer still count towards turnover once the work is done.
Similar companies in Dereham
Other active specialist construction companies registered in Dereham.
- TJB Carpentry Ltd2016
- TR Packer Ltd2010
- A P Gooch Limited2008
- Adm Surfacing Ltd2026
- Akc Streetworks Ltd2014
- Asphalt Supervision Services Limited2000
- Aubrey Hawkins Limited2011
- Brighter Views Ltd2020
All specialist construction companies in Dereham · All trades in Dereham · Specialist contractors across the UK
Frequently asked questions
When are Tetra Firestopping Limited's accounts due?
Tetra Firestopping Limited's next accounts are due at Companies House by 31 July 2027 (in 291 days), covering the period to 31 October 2026.
When is Tetra Firestopping Limited's CT600 due?
The CT600 for the period to 31 October 2026 is due at HMRC by 31 October 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 August 2027.
Is Tetra Firestopping Limited still trading?
Tetra Firestopping 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 Tetra Firestopping Limited do?
Tetra Firestopping Limited is registered under Other specialised construction activities n.e.c. (SIC 43999).
How old is Tetra Firestopping Limited?
Tetra Firestopping Limited was incorporated on 9 October 2019, 7 years ago.
Who runs Tetra Firestopping Limited?
Tetra Firestopping Limited has 1 active director, the longest-serving appointed in Oct 2019. Their names and service addresses are on the Companies House register.
Who owns Tetra Firestopping Limited?
One person or company has significant control of Tetra Firestopping Limited: an individual (owns 25% to 50% of the shares).
What is the penalty if Tetra Firestopping 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 Tetra Firestopping 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.