- Company number
- 12604110
- Incorporated
- 15 May 20206 years trading
- Registered office
- 12 Periwinkle Lane, Dunstable, LU6 3NP
- Nature of business
- Construction of domestic buildings; Other specialised construction activities n.e.c.; Sale of used cars and light motor vehicles; Maintenance and repair of motor vehicles
Expert Protection Firestopping Ltd is a 6-year-old private limited company registered in Dunstable, company number 12604110, one of 213 building contractors in Dunstable. Its next accounts are due at Companies House on 28 February 2027, and the CT600 for the period to 31 May 2026 is due at HMRC on 31 May 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 £36K (+33.1%) on the year before, to £145K.
- Net assets rose in 4 of 4 year-on-year comparisons on record.
- Current assets of £179K against £65K owed within a year: 2.7 times cover.
- 2 employees 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 May 2025 | £145K | £179K | £65K | 2 | |
| 31 May 2024 | £109K | £146K | £48K | 2 | |
| 31 May 2023 | £67K | £88K | £27K | 2 | |
| 31 May 2022 | £45K | £64K | £23K | 1 | |
| 31 May 2021 | £16K | £33K | £18K | 1 |
Where Expert Protection Firestopping Ltd is registered
The registered office is in Dunstable (LU6), in the Central Bedfordshire local authority area, East of England. Show LU6 3NP on a map.
Other trade companies in LU6
- Ovi's Pressure Wash LtdSpecialist contractors
- Emre Property Holdings LtdProperty developers
- Fremii Flooring Products LimitedFloor and wall tilers
- Hussain, Bros Builders LtdBuilders
- Chiltren Constructions LimitedProperty developers
- Sme Services LimitedElectricians
- Motohaven LtdMotor traders
- Total Property Care Herts,Beds,Bucks LtdCleaning companies
What happens if Expert Protection Firestopping 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 28 February 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Mar 2027 to 31 Mar 2027 | £150 |
| 1 to 3 months late | 1 Apr 2027 to 31 May 2027 | £375 |
| 3 to 6 months late | 1 Jun 2027 to 31 Aug 2027 | £750 |
| More than 6 months late | From 1 Sep 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Jun 2027 | £200 |
| 3 months late | 31 Aug 2027 | another £200 |
| 6 months late | 30 Nov 2027 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 May 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
- 12604110
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 15 May 2020 (6 years ago)
- Registered office
- 12 Periwinkle Lane, Dunstable, LU6 3NP
- Nature of business
- Construction of domestic buildings (SIC 41202)
Other specialised construction activities n.e.c. (SIC 43999)
Sale of used cars and light motor vehicles (SIC 45112)
Maintenance and repair of motor vehicles (SIC 45200) - Year end
- 31 May (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 31 May 2025
- Last confirmation statement
- 31 July 2026
Filing notes for building contractors
Building companies often run the Construction Industry Scheme as a contractor, a subcontractor or both. CIS deductions suffered during the year are set against the PAYE bill, and any unrecovered balance at the year end matters when the accounts are drawn up.
Similar companies in Dunstable
Other active building contractors registered in Dunstable.
- F Kelly Builders Ltd2026
- Fceconstructions Ltd2026
- Feel Good Houses Limited2016
- Felament Limited2023
- First Stop Construction Ltd2026
- Future Green Developments Limited2021
- FX17 Ltd2024
- G Mihalachi Ltd2013
All building contractors in Dunstable · All trades in Dunstable · Builders across the UK
Frequently asked questions
When are Expert Protection Firestopping Ltd's accounts due?
Expert Protection Firestopping Ltd's next accounts are due at Companies House by 28 February 2027 (in 138 days), covering the period to 31 May 2026.
When is Expert Protection Firestopping Ltd's CT600 due?
The CT600 for the period to 31 May 2026 is due at HMRC by 31 May 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 March 2027.
Is Expert Protection Firestopping Ltd still trading?
Expert Protection Firestopping 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 Expert Protection Firestopping Ltd do?
Expert Protection Firestopping Ltd is registered under Construction of domestic buildings (SIC 41202); Other specialised construction activities n.e.c. (SIC 43999); Sale of used cars and light motor vehicles (SIC 45112); Maintenance and repair of motor vehicles (SIC 45200).
How old is Expert Protection Firestopping Ltd?
Expert Protection Firestopping Ltd was incorporated on 15 May 2020, 6 years ago.
What is the penalty if Expert Protection Firestopping 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 Expert Protection Firestopping 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.