- Companies
- Specialist contractors
- Luton
- RZ Builders Ltd
RZ Builders Ltd
- Company number
- 14594191
- Incorporated
- 16 Jan 20233 years trading
- Registered office
- Suite 9, 74 George Street, Luton, LU1 2BD
- Nature of business
- Other specialised construction activities n.e.c.
RZ Builders Ltd is a 3-year-old private limited company registered in Luton, company number 14594191, one of 195 specialist construction companies in Luton. Its next accounts are due at Companies House on 31 October 2027, and the CT600 for the period to 31 January 2027 is due at HMRC on 31 January 2028.
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 £3,281 (+83.1%) on the year before, to -£669.
- Current assets of £3,870 against £4,539 owed within a year: 0.9 times cover.
- No employees reported for the latest year (directors are often not counted as employees).
- Balance sheets on record for 3 years, 2024 to 2026.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 31 Jan 2026 | -£669 | £3,870 | £4,539 | 0 | |
| 31 Jan 2025 | -£3,950 | £0 | £0 | 0 | |
| 31 Jan 2024 | £1,009 | £6,030 | £237 | 0 |
Where RZ Builders Ltd is registered
The registered office is in Luton (LU1), in the Luton local authority area, East of England. Show LU1 2BD on a map.
Other trade companies in LU1
- Metalia Plastering LtdPlasterers
- Luton Bodyworks LtdMechanics and garages
- Speedyone LtdGroundworks and demolition
- Varion Construction LtdProperty developers
- Bromhams LtdMotor traders
- Vertex Home Improvements LtdRoofers
- Skillede LtdElectricians
- Avram Cleaning LtdCleaning companies
Also registered at this address
1 other company uses the same registered office as RZ Builders Ltd.
- Ywc Construction LtdBuilders
What happens if RZ Builders 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 October 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Nov 2027 to 30 Nov 2027 | £150 |
| 1 to 3 months late | 1 Dec 2027 to 31 Jan 2028 | £375 |
| 3 to 6 months late | 1 Feb 2028 to 30 Apr 2028 | £750 |
| More than 6 months late | From 1 May 2028 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Feb 2028 | £200 |
| 3 months late | 30 Apr 2028 | another £200 |
| 6 months late | 31 Jul 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 Jan 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
- 14594191
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 16 January 2023 (3 years ago)
- Registered office
- Suite 9, 74 George Street, Luton, LU1 2BD
- Nature of business
- Other specialised construction activities n.e.c. (SIC 43999)
- Year end
- 31 January (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 31 January 2026
- Last confirmation statement
- 21 June 2026
Filing notes for specialist construction companies
Specialist contractors often work under CIS for main contractors. Retentions held back by the customer still count towards turnover once the work is done.
Similar companies in Luton
Other active specialist construction companies registered in Luton.
- S Habib Construction Ltd2024
- Sa Property Contracts Limited2024
- Sabios Services Ltd2019
- Safecert Skills Ltd2024
- Sahil Construction Ltd2006
- Sarah Bman Ltd2026
- SGM Stags Ltd2011
- Shaan Construction Ltd2016
All specialist construction companies in Luton · All trades in Luton · Specialist contractors across the UK
Frequently asked questions
When are RZ Builders Ltd's accounts due?
RZ Builders Ltd's next accounts are due at Companies House by 31 October 2027 (in 383 days), covering the period to 31 January 2027.
When is RZ Builders Ltd's CT600 due?
The CT600 for the period to 31 January 2027 is due at HMRC by 31 January 2028, 12 months after the period end. The corporation tax itself is payable earlier, by 1 November 2027.
Is RZ Builders Ltd still trading?
RZ Builders 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 RZ Builders Ltd do?
RZ Builders Ltd is registered under Other specialised construction activities n.e.c. (SIC 43999).
How old is RZ Builders Ltd?
RZ Builders Ltd was incorporated on 16 January 2023, 3 years ago.
What is the penalty if RZ Builders 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 RZ Builders 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.