- Company number
- 15916229
- Incorporated
- 25 Aug 20242 years trading
- Registered office
- Flat 2 Webheath, Netherwood Street, London, NW6 2JR
- Nature of business
- Construction of domestic buildings
GS Start Ltd is a 2-year-old private limited company registered in London, company number 15916229, one of 12,075 building contractors in London. Its next accounts are due at Companies House on 31 May 2027, and the CT600 for the period to 31 August 2026 is due at HMRC on 31 August 2027.
Key dates
Worked out from the year end and filing history on the Companies House register.
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Financial snapshot, 2025
From the balance sheet at 31 August 2025, as filed at Companies House.
Where GS Start Ltd is registered
The registered office is in London (NW6), in the Camden local authority area, London. Show NW6 2JR on a map.
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- Prime Build Roofing LimitedRoofers
- Mannyservices LtdFloor and wall tilers
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What happens if GS Start 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 May 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Jun 2027 to 30 Jun 2027 | £150 |
| 1 to 3 months late | 1 Jul 2027 to 31 Aug 2027 | £375 |
| 3 to 6 months late | 1 Sep 2027 to 30 Nov 2027 | £750 |
| More than 6 months late | From 1 Dec 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Sep 2027 | £200 |
| 3 months late | 30 Nov 2027 | another £200 |
| 6 months late | 29 Feb 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 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
- 15916229
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 25 August 2024 (2 years ago)
- Registered office
- Flat 2 Webheath, Netherwood Street, London, NW6 2JR
- Nature of business
- Construction of domestic buildings (SIC 41202)
- Year end
- 31 August (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 31 August 2025
- Last confirmation statement
- 1 September 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 London
Other active building contractors registered in London.
- GS3 Properties Ltd2026
- GS8 Construction Two Limited2023
- GSD Construction London Ltd2023
- GSH Services Ltd2020
- GSM Wick Limited2026
- GSMS Construction Ltd2022
- GST Contractors Ltd2015
- Gsta03 Ltd2026
All building contractors in London · All trades in London · Builders across the UK
Frequently asked questions
When are GS Start Ltd's accounts due?
GS Start Ltd's next accounts are due at Companies House by 31 May 2027 (in 230 days), covering the period to 31 August 2026.
When is GS Start Ltd's CT600 due?
The CT600 for the period to 31 August 2026 is due at HMRC by 31 August 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 June 2027.
Is GS Start Ltd still trading?
GS Start 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 GS Start Ltd do?
GS Start Ltd is registered under Construction of domestic buildings (SIC 41202).
How old is GS Start Ltd?
GS Start Ltd was incorporated on 25 August 2024, 2 years ago.
What is the penalty if GS Start 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 GS Start 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.