- Company number
- 12482355
- Incorporated
- 25 Feb 20206 years trading
- Registered office
- 78 Wellington Road North, Wellington Road North, Hounslow, TW4 7AA
- Nature of business
- Construction of commercial buildings; Construction of domestic buildings; Maintenance and repair of motor vehicles; Renting and leasing of cars and light motor vehicles
Crystalite One Ltd is a 6-year-old private limited company registered in Hounslow, company number 12482355, one of 494 building contractors in Hounslow. Its next accounts are due at Companies House on 28 May 2027, and the CT600 for the period to 28 August 2026 is due at HMRC on 28 August 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 £43K (+409%) on the year before, to £53K.
- Net assets rose in 3 of 4 year-on-year comparisons on record.
- Current assets of £11K against £64K owed within a year: 0.2 times cover.
- 13 employees on average, up from 7 the year before.
- Balance sheets on record for 5 years, 2021 to 2025.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 28 Aug 2025 | £53K | £11K | £64K | 13 | |
| 28 Aug 2024 | £11K | £11K | £198 | 7 | |
| 28 Aug 2023 | £16K | £19K | £2,494 | 0 | |
| 28 Aug 2022 | £5,443 | £2,891 | £198 | 0 | |
| 28 Feb 2021 | £4,600 | £2,745 | £1,165 | 2 |
Where Crystalite One Ltd is registered
The registered office is in Hounslow (TW4), in the Hounslow local authority area, London. Show TW4 7AA on a map.
Other trade companies in TW4
- Muid LtdBuilders
- S.A Bike Mechanic LtdMotor traders
- Colaco Auto Repair LimitedMechanics and garages
- KS2 Solution LtdBuilders
- Morgan Ac Contractors LtdPlumbers and heating engineers
- Macvion UK LtdBuilders
- MS Motorcycles Rentals & Sales LtdMotor traders
- Infinite Build & Design LimitedProperty developers
What happens if Crystalite One 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 28 May 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 29 May 2027 to 28 Jun 2027 | £150 |
| 1 to 3 months late | 29 Jun 2027 to 28 Aug 2027 | £375 |
| 3 to 6 months late | 29 Aug 2027 to 28 Nov 2027 | £750 |
| More than 6 months late | From 29 Nov 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 29 Aug 2027 | £200 |
| 3 months late | 28 Nov 2027 | another £200 |
| 6 months late | 28 Feb 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 28 Aug 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
- 12482355
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 25 February 2020 (6 years ago)
- Registered office
- 78 Wellington Road North, Wellington Road North, Hounslow, TW4 7AA
- Nature of business
- Construction of commercial buildings (SIC 41201)
Construction of domestic buildings (SIC 41202)
Maintenance and repair of motor vehicles (SIC 45200)
Renting and leasing of cars and light motor vehicles (SIC 77110) - Year end
- 28 August (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 28 August 2025
- Last confirmation statement
- 13 August 2025
- Previous names
- Roadside Assist Limited (until 18 May 2026)
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 Hounslow
Other active building contractors registered in Hounslow.
- Da&G Limited2023
- Dalexcons Limited2024
- Dansmech Ltd2022
- Dany & Any Construct Ltd2024
- Davincy 99 Limited2026
- Ddy Ltd2026
- Deciti Properties Limited2025
- Delta Construction Limited UK Ltd2019
All building contractors in Hounslow · All trades in Hounslow · Builders across the UK
Frequently asked questions
When are Crystalite One Ltd's accounts due?
Crystalite One Ltd's next accounts are due at Companies House by 28 May 2027 (in 228 days), covering the period to 28 August 2026.
When is Crystalite One Ltd's CT600 due?
The CT600 for the period to 28 August 2026 is due at HMRC by 28 August 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 29 May 2027.
Is Crystalite One Ltd still trading?
Crystalite One Ltd is listed as active on the Companies House register (checked 12 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 Crystalite One Ltd do?
Crystalite One Ltd is registered under Construction of commercial buildings (SIC 41201); Construction of domestic buildings (SIC 41202); Maintenance and repair of motor vehicles (SIC 45200); Renting and leasing of cars and light motor vehicles (SIC 77110).
How old is Crystalite One Ltd?
Crystalite One Ltd was incorporated on 25 February 2020, 6 years ago.
What is the penalty if Crystalite One 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 Crystalite One Ltd on Companies House for filed documents, officers and the full history.
Based on the Companies House register (snapshot 1 Oct 2026, rechecked 12 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.