- Company number
- 15004853
- Incorporated
- 14 Jul 20233 years trading
- Registered office
- Unit 5, Freehold Industrial Centre, Amberley Way, Hounslow, TW4 6BX
- Nature of business
- Construction of domestic buildings; Buying and selling of own real estate
SJ Constructions UK 1 Ltd is a 3-year-old private limited company registered in Hounslow, company number 15004853, one of 494 building contractors in Hounslow. 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.
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 SJ Constructions UK 1 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 £588 (+61.1%) on the year before, to £1,551.
- Current assets of £49K against £140 owed within a year: more than 10 times cover.
- No employees reported for the latest year (directors are often not counted as employees).
- Balance sheets on record for 2 years, 2024 to 2025.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 31 Jul 2025 | £1,551 | £49K | £140 | 0 | |
| 31 Jul 2024 | £963 | £49K | £225 | 0 |
Where SJ Constructions UK 1 Ltd is registered
The registered office is in Hounslow (TW4), in the Hounslow local authority area, London. Show TW4 6BX 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
Also registered at this address
17 other companies use the same registered office as SJ Constructions UK 1 Ltd.
- 12 Harrowdene LimitedBuilders
- 3Sixty Facilities LtdElectricians
- Bigworld LtdProperty developers
- Blockbase LtdBuilders
- Bronze Property Maintenance LtdBuilders
- G&E Roofing LtdBuilders
- Gatebridge Properties LtdProperty developers
- Gatebridge Property Maintenance LtdFinishing trades
- Goodson Group LtdFinishing trades
- GR8Ful LtdBuilders
- Harrow Property Investments LimitedBuilders
- Hyde Automotive LtdMechanics and garages
- RM Autos LtdMotor traders
- Shanti Constructions LtdBuilders
- Silver Property LtdBuilders
- Singh Property Investments LtdBuilders
- Your Own Builder LimitedBuilders
What happens if SJ Constructions UK 1 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 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
- 15004853
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 14 July 2023 (3 years ago)
- Registered office
- Unit 5, Freehold Industrial Centre, Amberley Way, Hounslow, TW4 6BX
- Nature of business
- Construction of domestic buildings (SIC 41202)
Buying and selling of own real estate (SIC 68100) - Year end
- 31 July (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 31 July 2025
- Last confirmation statement
- 6 July 2026
- Charges (mortgages)
- 3 outstanding of 3 registered
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.
- SKH Builders Ltd2015
- SKRR Ltd2025
- SM Builder London Ltd2023
- Sokhi Builders Limited2025
- Solid Construction Services Ltd2026
- Sood Property Ltd2021
- Spiro Buildings Ltd2023
- Spraymaster1 Limited2025
All building contractors in Hounslow · All trades in Hounslow · Builders across the UK
Frequently asked questions
When are SJ Constructions UK 1 Ltd's accounts due?
SJ Constructions UK 1 Ltd's next accounts are due at Companies House by 30 April 2027 (in 199 days), covering the period to 31 July 2026.
When is SJ Constructions UK 1 Ltd'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 SJ Constructions UK 1 Ltd still trading?
SJ Constructions UK 1 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 SJ Constructions UK 1 Ltd do?
SJ Constructions UK 1 Ltd is registered under Construction of domestic buildings (SIC 41202); Buying and selling of own real estate (SIC 68100).
How old is SJ Constructions UK 1 Ltd?
SJ Constructions UK 1 Ltd was incorporated on 14 July 2023, 3 years ago.
What is the penalty if SJ Constructions UK 1 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 SJ Constructions UK 1 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.