- Companies
- Installers
- Slough
- J&G Sprinkler Protection Ltd
J&G Sprinkler Protection Ltd
- Company number
- 16491029
- Incorporated
- 2 Jun 20251 year trading
- Registered office
- 39 Windrush Avenue, Slough, SL3 8ER
- Nature of business
- Other construction installation; Other engineering activities
J&G Sprinkler Protection Ltd is a 1-year-old private limited company registered in Slough, company number 16491029, one of 73 installation companies (insulation, lifts, shutters and similar) in Slough. Its next accounts are due at Companies House on 31 December 2027, and the CT600 for the period to 31 March 2027 is due at HMRC on 31 March 2028.
Key dates
Worked out from the year end and filing history on the Companies House register.
Is this your company?
File the accounts to Companies House and the CT600 to HMRC yourself with A.X.E.L Filing. One set of questions, both filings, £49 flat. No accountant, no subscription.
File for J&G Sprinkler Protection LtdOr get a reminder before each deadline
Free. We email you 60, 30, 14, 7 and 1 days before the accounts, CT600 and confirmation statement are due. Unsubscribe in one click.
Financial snapshot, 2026
From the balance sheet at 31 March 2026, as filed at Companies House.
Who runs and owns J&G Sprinkler Protection Ltd
From the Companies House register. Individuals are shown by initials only; the full register is on Companies House.
Officers (3)
| Name | Role | Appointed |
|---|---|---|
| G*** G*** | Director | Jun 2025 |
| F*** D*** | Director | May 2026 |
| J*** D*** | Director | May 2026 |
Person with significant control
Where J&G Sprinkler Protection Ltd is registered
The registered office is in Slough (SL3), in the Slough local authority area, South East. Show SL3 8ER on a map.
Other trade companies in SL3
- Tac Design & Build LtdFinishing trades
- G&S Formwork LtdBuilders
- Klenzo LtdCleaning companies
- West London Crown Construction LtdBuilders
- Dahlia Investment Group LimitedProperty developers
- Ekon Electrics LtdElectricians
- R&G Maintenance LtdCleaning companies
- Cornerstone Homes & Estates LtdProperty developers
What happens if J&G Sprinkler Protection 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 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Jan 2028 to 31 Jan 2028 | £150 |
| 1 to 3 months late | 1 Feb 2028 to 31 Mar 2028 | £375 |
| 3 to 6 months late | 1 Apr 2028 to 30 Jun 2028 | £750 |
| More than 6 months late | From 1 Jul 2028 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Apr 2028 | £200 |
| 3 months late | 30 Jun 2028 | another £200 |
| 6 months late | 30 Sep 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 Mar 2029 | 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
- 16491029
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 2 June 2025 (1 year ago)
- Registered office
- 39 Windrush Avenue, Slough, SL3 8ER
- Nature of business
- Other construction installation (SIC 43290)
Other engineering activities (SIC 71129) - Year end
- 31 March (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 31 March 2026
- Last confirmation statement
- 1 June 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 Slough
Other active installation companies (insulation, lifts, shutters and similar) registered in Slough.
- JD Security and Cabling Ltd2025
- Josh Harwood Construction Ltd2022
- Kalsi Construction Ltd2011
- Klass Collective Limited2026
- Klass Marquees Group Ltd2026
- Klass Orangery Limited2026
- KSD Property Ltd2025
- McAuley Interiors Limited2017
All installation companies (insulation, lifts, shutters and similar) in Slough · All trades in Slough · Installers across the UK
Frequently asked questions
When are J&G Sprinkler Protection Ltd's accounts due?
J&G Sprinkler Protection Ltd's next accounts are due at Companies House by 31 December 2027 (in 444 days), covering the period to 31 March 2027.
When is J&G Sprinkler Protection Ltd's CT600 due?
The CT600 for the period to 31 March 2027 is due at HMRC by 31 March 2028, 12 months after the period end. The corporation tax itself is payable earlier, by 1 January 2028.
Is J&G Sprinkler Protection Ltd still trading?
J&G Sprinkler Protection 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 J&G Sprinkler Protection Ltd do?
J&G Sprinkler Protection Ltd is registered under Other construction installation (SIC 43290); Other engineering activities (SIC 71129).
How old is J&G Sprinkler Protection Ltd?
J&G Sprinkler Protection Ltd was incorporated on 2 June 2025, 1 year ago.
Who runs J&G Sprinkler Protection Ltd?
J&G Sprinkler Protection Ltd has 3 active directors, the longest-serving appointed in Jun 2025. Their names and service addresses are on the Companies House register.
Who owns J&G Sprinkler Protection Ltd?
One person or company has significant control of J&G Sprinkler Protection Ltd: an individual (owns 75% or more of the shares).
What is the penalty if J&G Sprinkler Protection 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 J&G Sprinkler Protection 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.