- Companies
- Electricians
- Rotherham
- P N Alarms Limited
P N Alarms Limited
- Company number
- 05828380
- Incorporated
- 25 May 200620 years trading
- Registered office
- 267 Wickersley Road, Rotherham, South Yorkshire, S60 4JS
- Nature of business
- Electrical installation
P N Alarms Limited is a 20-year-old private limited company registered in Rotherham, company number 05828380, one of 150 electrical contractors in Rotherham. Its next accounts are due at Companies House on 30 April 2027, and the CT600 for the period to 31 July 2026 is due at HMRC on 31 July 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 £8,865 (+2.4%) on the year before, to £372K.
- Net assets rose in 3 of 9 year-on-year comparisons on record.
- Current assets of £564K against £242K owed within a year: 2.3 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 |
|---|---|---|---|---|---|
| 31 Jul 2025 | £372K | £426K | £564K | £242K | 0 |
| 31 Jul 2024 | £363K | £322K | £497K | £231K | 13 |
| 31 Jul 2023 | £405K | £333K | £554K | £241K | 12 |
| 31 Jul 2022 | £417K | £300K | £514K | £228K | 12 |
| 31 Jul 2021 | £446K | £285K | £480K | £190K | 12 |
| 31 Jul 2020 | £454K | £361K | £548K | £210K | 12 |
| 31 Jul 2019 | £459K | £446K | £601K | £253K | |
| 31 Jul 2018 | £432K | £381K | £524K | £227K | |
| 31 Jul 2017 | £461K | £337K | £503K | £221K | |
| 31 Jul 2016 | £435K | £371K | £539K | £281K |
Where P N Alarms Limited is registered
The registered office is in Rotherham (S60), in the Rotherham local authority area, Yorkshire and The Humber. Show S60 4JS on a map.
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What happens if P N Alarms 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 April 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 May 2027 to 31 May 2027 | £150 |
| 1 to 3 months late | 1 Jun 2027 to 31 Jul 2027 | £375 |
| 3 to 6 months late | 1 Aug 2027 to 31 Oct 2027 | £750 |
| More than 6 months late | From 1 Nov 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Aug 2027 | £200 |
| 3 months late | 31 Oct 2027 | another £200 |
| 6 months late | 31 Jan 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 Jul 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
- 05828380
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 25 May 2006 (20 years ago)
- Registered office
- 267 Wickersley Road, Rotherham, South Yorkshire, S60 4JS
- Nature of business
- Electrical installation (SIC 43210)
- Year end
- 31 July (accounting reference date)
- Accounts type
- Total exemption (full)
- Last accounts made up to
- 31 July 2025
- Last confirmation statement
- 25 May 2026
Filing notes for electrical contractors
Electrical contracting companies are often a director plus a van and tools. Most fall within the micro-entity rules, so the accounts filed at Companies House are short, and the CT600 carries the tax detail.
Similar companies in Rotherham
Other active electrical contractors registered in Rotherham.
- P S Data Ltd2022
- Padgett Developments Limited2011
- Pegasus Renewables Ltd2024
- Primalink Telecoms Ltd2026
- QS Quiet Solutions Ltd2024
- R C Worthington Limited2010
- R J Humphreys Electrical Services Ltd2013
- RCP Electrical Ltd2020
All electrical contractors in Rotherham · All trades in Rotherham · Electricians across the UK
Frequently asked questions
When are P N Alarms Limited's accounts due?
P N Alarms Limited's next accounts are due at Companies House by 30 April 2027 (in 199 days), covering the period to 31 July 2026.
When is P N Alarms Limited's CT600 due?
The CT600 for the period to 31 July 2026 is due at HMRC by 31 July 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 May 2027.
Is P N Alarms Limited still trading?
P N Alarms 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 P N Alarms Limited do?
P N Alarms Limited is registered under Electrical installation (SIC 43210).
How old is P N Alarms Limited?
P N Alarms Limited was incorporated on 25 May 2006, 20 years ago.
What is the penalty if P N Alarms 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 P N Alarms 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.