- Companies
- Electricians
- Barnsley
- Cortonwood Installation Services Ltd
Cortonwood Installation Services Ltd
- Company number
- 07634174
- Incorporated
- 13 May 201115 years trading
- Registered office
- 8 Westfield Road, Brampton, Barnsley, South Yorkshire, S73 0UA
- Nature of business
- Electrical installation
Cortonwood Installation Services Ltd is a 15-year-old private limited company registered in Barnsley, company number 07634174, one of 145 electrical contractors in Barnsley. Its next accounts are due at Companies House on 27 February 2027, and the CT600 for the period to 27 May 2026 is due at HMRC on 27 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 down £13K (-28.8%) on the year before, to £32K.
- Net assets rose in 5 of 9 year-on-year comparisons on record.
- Current assets of £130K against £92K owed within a year: 1.4 times cover.
- 1 employee on average during the year.
- 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 May 2025 | £32K | £5,811 | £130K | £92K | 1 |
| 31 May 2024 | £45K | £532 | £137K | £79K | 1 |
| 31 May 2023 | £22K | £58 | £122K | £81K | 1 |
| 31 May 2022 | £19K | £7 | £124K | £80K | 0 |
| 31 May 2021 | £48K | £26K | £151K | £79K | 1 |
| 31 May 2020 | £708 | £18K | £76K | £52K | 1 |
| 31 May 2019 | £1,920 | £49 | £33K | £33K | 1 |
| 31 May 2018 | £1,271 | £39 | £44K | £45K | 1 |
| 31 May 2017 | £777 | £1,529 | £42K | £43K | 1 |
| 31 May 2016 | £859 | £3,413 | £31K | £32K |
Where Cortonwood Installation Services Ltd is registered
The registered office is in Barnsley (S73), in the Rotherham local authority area, Yorkshire and The Humber. Show S73 0UA on a map.
Other trade companies in S73
- C&G Garage Doors LtdInstallers
- Woodland Joinery and Building LtdJoiners and carpenters
- GP Auto's Wombwell LtdMechanics and garages
- Wbceramics & Interiors LimitedJoiners and carpenters
- RS Electrical Services LtdElectricians
- Icon Pro Group LtdBuilders
- B&F Property Developments LimitedProperty developers
- Barlow Offshore Networks LtdCivil engineering
What happens if Cortonwood Installation Services 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 27 February 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 28 Feb 2027 to 27 Mar 2027 | £150 |
| 1 to 3 months late | 28 Mar 2027 to 27 May 2027 | £375 |
| 3 to 6 months late | 28 May 2027 to 27 Aug 2027 | £750 |
| More than 6 months late | From 28 Aug 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 28 May 2027 | £200 |
| 3 months late | 27 Aug 2027 | another £200 |
| 6 months late | 27 Nov 2027 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 27 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
- 07634174
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 13 May 2011 (15 years ago)
- Registered office
- 8 Westfield Road, Brampton, Barnsley, South Yorkshire, S73 0UA
- Nature of business
- Electrical installation (SIC 43210)
- Year end
- 27 May (accounting reference date)
- Accounts type
- Total exemption (full)
- Last accounts made up to
- 31 May 2025
- Last confirmation statement
- 13 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 Barnsley
Other active electrical contractors registered in Barnsley.
- Cte Contractors Limited2004
- D & J Brittain Ltd2009
- D W Hammond Electrical Ltd2021
- D.M Electric (Dearne) Ltd.2018
- D.R & Co. Electrical Ltd.2019
- Damascus Enterprises Ltd2025
- DND Installations Limited2022
- Dobing Electrical Limited2022
All electrical contractors in Barnsley · All trades in Barnsley · Electricians across the UK
Frequently asked questions
When are Cortonwood Installation Services Ltd's accounts due?
Cortonwood Installation Services Ltd's next accounts are due at Companies House by 27 February 2027 (in 137 days), covering the period to 27 May 2026.
When is Cortonwood Installation Services Ltd's CT600 due?
The CT600 for the period to 27 May 2026 is due at HMRC by 27 May 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 28 February 2027.
Is Cortonwood Installation Services Ltd still trading?
Cortonwood Installation Services 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 Cortonwood Installation Services Ltd do?
Cortonwood Installation Services Ltd is registered under Electrical installation (SIC 43210).
How old is Cortonwood Installation Services Ltd?
Cortonwood Installation Services Ltd was incorporated on 13 May 2011, 15 years ago.
What is the penalty if Cortonwood Installation Services 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 Cortonwood Installation Services 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.