- Companies
- Installers
- Lytham St Annes
- Sem Construction NW Ltd
Sem Construction NW Ltd
- Company number
- 15564456
- Incorporated
- 15 Mar 20242 years trading
- Registered office
- 54 Wood Street, Lytham St Annes, FY8 1QG
- Nature of business
- Other construction installation
Sem Construction NW Ltd is a 2-year-old private limited company registered in Lytham St Annes, company number 15564456, one of 8 installation companies (insulation, lifts, shutters and similar) in Lytham St Annes. Its next accounts are due at Companies House on 31 December 2027, and the CT600 for the period to 31 March 2027 is due at HMRC on 31 March 2028.
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 £3,846 (-4.1%) on the year before, to £89K.
- Current assets of £18K against £44K owed within a year: 0.4 times cover.
- 2 employees on average during the year.
- Balance sheets on record for 2 years, 2025 to 2026.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 31 Mar 2026 | £89K | £18K | £44K | 2 | |
| 31 Mar 2025 | £93K | £36K | £0 | 2 |
Where Sem Construction NW Ltd is registered
The registered office is in Lytham St Annes (FY8), in the Fylde local authority area, North West. Show FY8 1QG on a map.
Other trade companies in FY8
- Blackpool & Fylde Property Maintenance LtdSpecialist contractors
- Oakfame Construction LtdBuilders
- Mle Maintenance LtdProperty developers
- F.F Electrical Engineering LimitedElectricians
- M Cunliffe Tiling LtdFloor and wall tilers
- CWL Roofing and Property Maintenance LtdRoofers
- Mark Shore Windows LimitedCleaning companies
- Bespoke Basin Co LtdFloor and wall tilers
Also registered at this address
23 other companies use the same registered office as Sem Construction NW Ltd.
- 24/7 Building Renovations & Property Maintenance NW LtdFinishing trades
- A-Z Electrical Contractors LtdElectricians
- A-Z Mechanical & Electrical Contractors LtdPlumbers and heating engineers
- Apex Mobile Locksmiths LtdMachinery repair and installation
- Clifford Plumbing & Heating LtdPlumbers and heating engineers
- Conservatory Roof Insulation LtdRoofers
- Countrywide Adventures LtdMotor traders
- Distinct Motors LtdMotor traders
- FF Flooring NW LtdSpecialist contractors
- Flawless Finishes NW LtdPlasterers
- Gulliver Builders Blackpool LtdFinishing trades
- Le Marco Developments LtdPlasterers
- Lytham Motor Company LtdMotor traders
- Mobile Autocare Solutions LtdMechanics and garages
- PJP Gardening Services LtdLandscapers and gardeners
- PJP Landscaping LtdLandscapers and gardeners
- PJP Maintenance Services LtdFinishing trades
- Premier Pit Stop LtdMechanics and garages
- PX Wheels LtdMachinery repair and installation
- Sem Joinery NW LtdInstallers
- Sem Roofing Contractors LtdInstallers
- Steve Mason Joinery & Building Contractor LtdFinishing trades
- Z&K Properties LtdFinishing trades
What happens if Sem Construction NW 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 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Jan 2028 to 31 Jan 2028 | £150 |
| 1 to 3 months late | 1 Feb 2028 to 31 Mar 2028 | £375 |
| 3 to 6 months late | 1 Apr 2028 to 30 Jun 2028 | £750 |
| More than 6 months late | From 1 Jul 2028 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Apr 2028 | £200 |
| 3 months late | 30 Jun 2028 | another £200 |
| 6 months late | 30 Sep 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 Mar 2029 | 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
- 15564456
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 15 March 2024 (2 years ago)
- Registered office
- 54 Wood Street, Lytham St Annes, FY8 1QG
- Nature of business
- Other construction installation (SIC 43290)
- Year end
- 31 March (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 31 March 2026
- Last confirmation statement
- 13 November 2025
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 Lytham St Annes
Other active installation companies (insulation, lifts, shutters and similar) registered in Lytham St Annes.
- Sem Joinery NW Ltd2024
- Sem Roofing Contractors Ltd2024
- Abs Northwest Ltd2019
- Adsm International Limited2015
- Cartmell Construction Limited1999
- Lakeland Verandahs Limited2008
- Lyndon Subcontractors Limited2016
All installation companies (insulation, lifts, shutters and similar) in Lytham St Annes · All trades in Lytham St Annes · Installers across the UK
Frequently asked questions
When are Sem Construction NW Ltd's accounts due?
Sem Construction NW Ltd's next accounts are due at Companies House by 31 December 2027 (in 445 days), covering the period to 31 March 2027.
When is Sem Construction NW Ltd's CT600 due?
The CT600 for the period to 31 March 2027 is due at HMRC by 31 March 2028, 12 months after the period end. The corporation tax itself is payable earlier, by 1 January 2028.
Is Sem Construction NW Ltd still trading?
Sem Construction NW 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 Sem Construction NW Ltd do?
Sem Construction NW Ltd is registered under Other construction installation (SIC 43290).
How old is Sem Construction NW Ltd?
Sem Construction NW Ltd was incorporated on 15 March 2024, 2 years ago.
What is the penalty if Sem Construction NW 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 Sem Construction NW 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.