- Companies
- Installers
- Surbiton
- GSW Construction & Engineering Ltd
GSW Construction & Engineering Ltd
- Company number
- 16378456
- Incorporated
- 10 Apr 20251 year trading
- Registered office
- 104 Tolworth Road, Surbiton, Surrey, KT6 7SR
- Nature of business
- Other construction installation; Other engineering activities
GSW Construction & Engineering Ltd is a 1-year-old private limited company registered in Surbiton, company number 16378456, one of 30 installation companies (insulation, lifts, shutters and similar) in Surbiton. Its next accounts are due at Companies House on 31 December 2026, and the CT600 for the period to 31 March 2026 is due at HMRC on 31 March 2027.
Key dates
This company has not filed accounts yet. First accounts are due 21 months after incorporation, and the first period can run longer than a year.
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Where GSW Construction & Engineering Ltd is registered
The registered office is in Surbiton (KT6), in the Kingston upon Thames local authority area, London. Show KT6 7SR on a map.
Other trade companies in KT6
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- Avus Estates (Thatcham) LimitedProperty developers
- Plant Profile LtdLandscapers and gardeners
- Elevonn Commercial Cleaning CV LtdCleaning companies
- Uniiq Property LtdProperty developers
- Allora Property Group LtdProperty developers
Also registered at this address
1 other company uses the same registered office as GSW Construction & Engineering Ltd.
- PG Access LtdScaffolders
What happens if GSW Construction & Engineering 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 December 2026.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Jan 2027 to 31 Jan 2027 | £150 |
| 1 to 3 months late | 1 Feb 2027 to 31 Mar 2027 | £375 |
| 3 to 6 months late | 1 Apr 2027 to 30 Jun 2027 | £750 |
| More than 6 months late | From 1 Jul 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Apr 2027 | £200 |
| 3 months late | 30 Jun 2027 | another £200 |
| 6 months late | 30 Sep 2027 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 Mar 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
- 16378456
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 10 April 2025 (1 year ago)
- Registered office
- 104 Tolworth Road, Surbiton, Surrey, KT6 7SR
- Nature of business
- Other construction installation (SIC 43290)
Other engineering activities (SIC 71129) - Year end
- 31 March (accounting reference date)
- Accounts type
- No accounts filed yet
- Last confirmation statement
- 9 April 2026
Filing notes for installation companies (insulation, lifts, shutters and similar)
Installation companies (insulation, lifts, shutters, solar and similar) often buy stock and equipment up front, so stock at the year end and capital allowances both affect the tax bill.
Similar companies in Surbiton
Other active installation companies (insulation, lifts, shutters and similar) registered in Surbiton.
- Infinitesoul 73 Ltd2022
- Jay-Mac Associates Ltd2025
- Ken 666 Ltd2022
- Kloyds Ltd2025
- Lewisford Construction Ltd2009
- Lithium M & E Limited2023
- Magic Windows Ltd2025
- N.A.N Installation Lifts UK Ltd2019
All installation companies (insulation, lifts, shutters and similar) in Surbiton · All trades in Surbiton · Installers across the UK
Frequently asked questions
When are GSW Construction & Engineering Ltd's accounts due?
GSW Construction & Engineering Ltd's next accounts are due at Companies House by 31 December 2026 (in 80 days), covering the period to 31 March 2026.
When is GSW Construction & Engineering Ltd's CT600 due?
The CT600 for the period to 31 March 2026 is due at HMRC by 31 March 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 January 2027.
Is GSW Construction & Engineering Ltd still trading?
GSW Construction & Engineering 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 GSW Construction & Engineering Ltd do?
GSW Construction & Engineering Ltd is registered under Other construction installation (SIC 43290); Other engineering activities (SIC 71129).
How old is GSW Construction & Engineering Ltd?
GSW Construction & Engineering Ltd was incorporated on 10 April 2025, 1 year ago.
What is the penalty if GSW Construction & Engineering 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 GSW Construction & Engineering 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.