- Company number
- 11592202
- Incorporated
- 27 Sep 20188 years trading
- Registered office
- 26 Leagrave Road, Luton, LU4 8HZ
- Nature of business
- Construction of domestic buildings; Electrical installation; Plumbing, heat and air-conditioning installation; Joinery installation
National Switch Limited is a 8-year-old private limited company registered in Luton, company number 11592202, one of 708 building contractors in Luton. 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 £1,997 (+8.5%) on the year before, to £26K.
- Net assets rose in 4 of 6 year-on-year comparisons on record.
- Current assets of £51K against £26K owed within a year: 2.0 times cover.
- 7 employees on average, up from 4 the year before.
- Balance sheets on record for 7 years, 2019 to 2025.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 31 Jul 2025 | £26K | £50K | £51K | £26K | 7 |
| 31 Jul 2024 | £24K | £33K | £34K | £11K | 4 |
| 31 Jul 2023 | £654 | £10K | £130 | £784 | 4 |
| 30 Sep 2022 | -£1,954 | £3,477 | £5,431 | 3 | |
| 30 Sep 2021 | £1,240 | £1,406 | £166 | 3 | |
| 30 Sep 2020 | £1 | £1 | 0 | ||
| 30 Sep 2019 | £1 | £1 |
Where National Switch Limited is registered
The registered office is in Luton (LU4), in the Luton local authority area, East of England. Show LU4 8HZ on a map.
Other trade companies in LU4
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- Surrey Design and Build LtdRoofers
- Lignora LtdFloor and wall tilers
- MK Services Pro LtdProperty developers
- Amp Vision Solutions LtdElectricians
- S R Auto Motors LimitedMotor traders
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- F Martini Building & Roofing LtdBuilders
Also registered at this address
1 other company uses the same registered office as National Switch Limited.
- Twentyfour-7 Heating & Plumbing LtdProperty developers
What happens if National Switch 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
- 11592202
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 27 September 2018 (8 years ago)
- Registered office
- 26 Leagrave Road, Luton, LU4 8HZ
- Nature of business
- Construction of domestic buildings (SIC 41202)
Electrical installation (SIC 43210)
Plumbing, heat and air-conditioning installation (SIC 43220)
Joinery installation (SIC 43320) - Year end
- 31 July (accounting reference date)
- Accounts type
- Unaudited abridged
- Last accounts made up to
- 31 July 2025
- Last confirmation statement
- 28 October 2025
Filing notes for building contractors
Building companies often run the Construction Industry Scheme as a contractor, a subcontractor or both. CIS deductions suffered during the year are set against the PAYE bill, and any unrecovered balance at the year end matters when the accounts are drawn up.
Similar companies in Luton
Other active building contractors registered in Luton.
- Nature Rooms Ltd2020
- Neps Construction(UK) Ltd2018
- Nestro Construction Ltd2026
- New Vision Developments Ltd2001
- NH Constructions Group Ltd2016
- Nico's Contractors Ltd2026
- NK Renovation Ltd2025
- No Limit Solution4U Limited2018
All building contractors in Luton · All trades in Luton · Builders across the UK
Frequently asked questions
When are National Switch Limited's accounts due?
National Switch Limited's next accounts are due at Companies House by 30 April 2027 (in 200 days), covering the period to 31 July 2026.
When is National Switch 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 National Switch Limited still trading?
National Switch 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 National Switch Limited do?
National Switch Limited is registered under Construction of domestic buildings (SIC 41202); Electrical installation (SIC 43210); Plumbing, heat and air-conditioning installation (SIC 43220); Joinery installation (SIC 43320).
How old is National Switch Limited?
National Switch Limited was incorporated on 27 September 2018, 8 years ago.
What is the penalty if National Switch 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 National Switch 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.