- Companies
- Finishing trades
- East Grinstead
- Quantum Builders Limited
Quantum Builders Limited
- Company number
- 05832743
- Incorporated
- 31 May 200620 years trading
- Registered office
- 8 ST. Edwards Close, East Grinstead, West Sussex, RH19 1JP
- Nature of business
- Other building completion and finishing
Quantum Builders Limited is a 20-year-old private limited company registered in East Grinstead, company number 05832743, one of 16 building finishing companies in East Grinstead. 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 down £77 (-14.5%) on the year before, to £454.
- Net assets rose in 4 of 9 year-on-year comparisons on record.
- Current assets of £24K against £15K owed within a year: 1.6 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 Jul 2025 | £454 | £1 | £24K | £15K | 1 |
| 31 Jul 2024 | £531 | £31 | £23K | £12K | 1 |
| 31 Jul 2023 | £247 | £4,053 | £29K | £16K | 1 |
| 31 Jul 2022 | £77 | £30 | £30K | £16K | 1 |
| 31 Jul 2021 | £142 | £30 | £24K | £8,081 | 1 |
| 31 Jul 2020 | £857 | £17K | £22K | £7,634 | 1 |
| 31 Jul 2019 | £98 | £508 | £6,060 | ||
| 31 Jul 2018 | £583 | £569 | £5,345 | ||
| 31 Jul 2017 | £7,938 | £4,078 | £1,734 | ||
| 31 Jul 2016 | £4,364 | £7,496 | £6,771 |
Where Quantum Builders Limited is registered
The registered office is in East Grinstead (RH19), in the Mid Sussex local authority area, South East. Show RH19 1JP on a map.
Other trade companies in RH19
- Be Happy Tint LtdGlaziers
- F Thompson & Son Static Caravans LtdMotor traders
- Airaxis LtdPlumbers and heating engineers
- Regional Windscreen LtdMotor traders
- Foremost Window Solutions LtdGlaziers
- Brilliant Air Conditioning LtdPlumbers and heating engineers
- Arnas Iscenko LtdBuilders
- L&D Controls LtdInstallers
What happens if Quantum Builders 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
- 05832743
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 31 May 2006 (20 years ago)
- Registered office
- 8 ST. Edwards Close, East Grinstead, West Sussex, RH19 1JP
- Nature of business
- Other building completion and finishing (SIC 43390)
- Year end
- 31 July (accounting reference date)
- Accounts type
- Total exemption (full)
- Last accounts made up to
- 31 July 2025
- Last confirmation statement
- 31 May 2026
Filing notes for building finishing companies
Finishing trade companies cover a wide range of work. Most are micro-entities with simple accounts and a straightforward CT600.
Similar companies in East Grinstead
Other active building finishing companies registered in East Grinstead.
- Reigate Contractors Ltd2024
- Richard Barnett Limited2002
- TK Build & Designs Limited2025
- A to Z Refurb Specialists Ltd2016
- Aa Graphic Installations Ltd2026
- Alex Nash Limited2013
- Amlybuild Limited2008
- East Grinstead Windows Ltd2015
All building finishing companies in East Grinstead · All trades in East Grinstead · Finishing trades across the UK
Frequently asked questions
When are Quantum Builders Limited's accounts due?
Quantum Builders 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 Quantum Builders 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 Quantum Builders Limited still trading?
Quantum Builders 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 Quantum Builders Limited do?
Quantum Builders Limited is registered under Other building completion and finishing (SIC 43390).
How old is Quantum Builders Limited?
Quantum Builders Limited was incorporated on 31 May 2006, 20 years ago.
What is the penalty if Quantum Builders 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 Quantum Builders 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.