- Companies
- Electricians
- Norwich
- KST Incorporated Ltd
KST Incorporated Ltd
- Company number
- 09039264
- Incorporated
- 14 May 201412 years trading
- Registered office
- 64-66 Westwick Street, Norwich, NR2 4SZ
- Nature of business
- Electrical installation; Plumbing, heat and air-conditioning installation; Other building completion and finishing
KST Incorporated Ltd is a 12-year-old private limited company registered in Norwich, company number 09039264, one of 266 electrical contractors in Norwich. 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 KST Incorporated 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.
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 £16K (+781.2%) on the year before, to £14K.
- Net assets rose in 3 of 9 year-on-year comparisons on record.
- Current assets of £20K against £8,020 owed within a year: 2.5 times cover.
- 1 employee on average during the year.
- Balance sheets on record for 10 years, 2017 to 2026.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 31 Mar 2026 | £14K | £1,129 | £20K | £8,020 | 1 |
| 31 Mar 2025 | -£2,021 | £113 | £5,388 | £11K | 1 |
| 31 Mar 2024 | -£6,903 | £6 | £4,769 | £16K | 1 |
| 31 Mar 2023 | -£5,583 | £1,902 | £14K | 1 | |
| 31 Mar 2022 | -£6,525 | £466 | £1,074 | £7,599 | 1 |
| 31 Mar 2021 | -£5,324 | £253 | £5,577 | 1 | |
| 31 Mar 2020 | -£2,026 | £2,026 | 1 | ||
| 31 Mar 2019 | -£2,026 | £2,026 | |||
| 31 Mar 2018 | -£2,026 | £2,026 | |||
| 31 Mar 2017 | -£2,026 | £651 | £2,677 |
Where KST Incorporated Ltd is registered
The registered office is in Norwich (NR2), in the Norwich local authority area, East of England. Show NR2 4SZ on a map.
Other trade companies in NR2
- Vincent Heating LtdPlumbers and heating engineers
- Green 2 Clean LtdCleaning companies
- CJC Construction Norwich LtdJoiners and carpenters
- Carrford LtdMotor traders
- Owf Brickwork LtdBuilders
- LB Norwich LtdScaffolders
- Owr Dev 1 LtdProperty developers
- Norfolk Plumbing and Heating LtdPlumbers and heating engineers
Shared registered office
42 companies on our pages use this registered office address. An address shared this widely is usually an accountant's office or a company formation agent's service address, not where the business trades from.
What happens if KST Incorporated 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
- 09039264
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 14 May 2014 (12 years ago)
- Registered office
- 64-66 Westwick Street, Norwich, NR2 4SZ
- Nature of business
- Electrical installation (SIC 43210)
Plumbing, heat and air-conditioning installation (SIC 43220)
Other building completion and finishing (SIC 43390) - Year end
- 31 March (accounting reference date)
- Accounts type
- Total exemption (full)
- Last accounts made up to
- 31 March 2026
- Last confirmation statement
- 20 April 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 Norwich
Other active electrical contractors registered in Norwich.
- L A K Electrical Services Limited2016
- L J M Electrical Norwich Ltd2021
- LB Power Solutions Ltd2023
- Lenwade Electrical Services Ltd2011
- Lighting Technologies (UK) Limited2012
- Lincoln Power Solutions Ltd2025
- LMB Electrical Ltd2023
- LMC Pump & Electrical Services Limited2025
All electrical contractors in Norwich · All trades in Norwich · Electricians across the UK
Frequently asked questions
When are KST Incorporated Ltd's accounts due?
KST Incorporated 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 KST Incorporated 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 KST Incorporated Ltd still trading?
KST Incorporated 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 KST Incorporated Ltd do?
KST Incorporated Ltd is registered under Electrical installation (SIC 43210); Plumbing, heat and air-conditioning installation (SIC 43220); Other building completion and finishing (SIC 43390).
How old is KST Incorporated Ltd?
KST Incorporated Ltd was incorporated on 14 May 2014, 12 years ago.
What is the penalty if KST Incorporated 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 KST Incorporated 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.