- Companies
- Electricians
- High Wycombe
- KSM Construction Ltd
KSM Construction Ltd
- Company number
- 08111725
- Incorporated
- 19 Jun 201214 years trading
- Registered office
- 91 Hatters Lane, High Wycombe, HP13 7NH
- Nature of business
- Electrical installation; Plastering; Painting; Other building completion and finishing
KSM Construction Ltd is a 14-year-old private limited company registered in High Wycombe, company number 08111725, one of 123 electrical contractors in High Wycombe. Its next accounts are due at Companies House on 31 March 2027, and the CT600 for the period to 30 June 2026 is due at HMRC on 30 June 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 £19K (+55.8%) on the year before, to -£15K.
- Net assets rose in 5 of 9 year-on-year comparisons on record.
- 2 employees 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 |
|---|---|---|---|---|---|
| 30 Jun 2025 | -£15K | £21K | £35K | 2 | |
| 30 Jun 2024 | -£34K | £5,384 | £5,384 | £19K | 2 |
| 30 Jun 2023 | -£29K | £12K | £13K | £25K | 2 |
| 30 Jun 2022 | -£1,179 | £15K | £16K | £2,528 | 2 |
| 30 Jun 2021 | -£1,972 | £12K | £12K | £739 | 2 |
| 30 Jun 2020 | £314 | £1,526 | £2,588 | £2,408 | 2 |
| 30 Jun 2019 | £1 | £6,312 | £7,442 | £7,620 | 2 |
| 30 Jun 2018 | -£2 | £5,065 | £11K | £12K | 2 |
| 30 Jun 2017 | £7,136 | £15K | £15K | £7,716 | 2 |
| 30 Jun 2016 | £6,582 | £1,473 | £13K | £6,869 |
Where KSM Construction Ltd is registered
The registered office is in High Wycombe (HP13), in the Buckinghamshire local authority area, South East. Show HP13 7NH on a map.
Other trade companies in HP13
- HP13 6Ad LimitedProperty developers
- Rath’S Auto Care LtdMechanics and garages
- Danny Cleaning Solutions LtdCleaning companies
- Spec Plumbing and Heating LtdPlumbers and heating engineers
- S W Classics LtdMotor traders
- Groundedcarpetco LtdFinishing trades
- Ape's Gutters LtdRoofers
- Britannia Property Management LtdProperty developers
What happens if KSM Construction 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 March 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Apr 2027 to 30 Apr 2027 | £150 |
| 1 to 3 months late | 1 May 2027 to 30 Jun 2027 | £375 |
| 3 to 6 months late | 1 Jul 2027 to 30 Sep 2027 | £750 |
| More than 6 months late | From 1 Oct 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Jul 2027 | £200 |
| 3 months late | 30 Sep 2027 | another £200 |
| 6 months late | 30 Dec 2027 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 30 Jun 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
- 08111725
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 19 June 2012 (14 years ago)
- Registered office
- 91 Hatters Lane, High Wycombe, HP13 7NH
- Nature of business
- Electrical installation (SIC 43210)
Plastering (SIC 43310)
Painting (SIC 43341)
Other building completion and finishing (SIC 43390) - Year end
- 30 June (accounting reference date)
- Accounts type
- Total exemption (full)
- Last accounts made up to
- 30 June 2025
- Last confirmation statement
- 3 August 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 High Wycombe
Other active electrical contractors registered in High Wycombe.
- L. Harvey & Son Limited1964
- Lectrical Solutions Limited2011
- Liam Ioan Electrical Ltd2025
- Lke Homes Ltd2025
- Louca Electrical Ltd2020
- Lumensy Ltd2019
- Luxecurrent Ltd2026
- M B Electrical (London) Ltd2004
All electrical contractors in High Wycombe · All trades in High Wycombe · Electricians across the UK
Frequently asked questions
When are KSM Construction Ltd's accounts due?
KSM Construction Ltd's next accounts are due at Companies House by 31 March 2027 (in 169 days), covering the period to 30 June 2026.
When is KSM Construction Ltd's CT600 due?
The CT600 for the period to 30 June 2026 is due at HMRC by 30 June 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 April 2027.
Is KSM Construction Ltd still trading?
KSM Construction 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 KSM Construction Ltd do?
KSM Construction Ltd is registered under Electrical installation (SIC 43210); Plastering (SIC 43310); Painting (SIC 43341); Other building completion and finishing (SIC 43390).
How old is KSM Construction Ltd?
KSM Construction Ltd was incorporated on 19 June 2012, 14 years ago.
What is the penalty if KSM Construction 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 KSM Construction 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.