- Companies
- Installers
- Northampton
- Site Grid Energy Limited
Site Grid Energy Limited
- Company number
- 16540614
- Incorporated
- 25 Jun 20251 year trading
- Registered office
- 22-24 Harborough Road, Northampton, NN2 7AZ
- Nature of business
- Other construction installation
Site Grid Energy Limited is a 1-year-old private limited company registered in Northampton, company number 16540614, one of 122 installation companies (insulation, lifts, shutters and similar) in Northampton. Its next accounts are due at Companies House on 31 March 2028, and the CT600 for the period to 30 June 2027 is due at HMRC on 30 June 2028.
Key dates
Worked out from the year end and filing history on the Companies House register.
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Financial snapshot, 2026
From the balance sheet at 30 June 2026, as filed at Companies House.
Where Site Grid Energy Limited is registered
The registered office is in Northampton (NN2), in the West Northamptonshire local authority area, East Midlands. Show NN2 7AZ on a map.
Other trade companies in NN2
- Hafil Developments LtdProperty developers
- Mercia Grounds Maintenance LtdLandscapers and gardeners
- E&A Automotive LimitedMechanics and garages
- S & M Roofing and Cladding LtdInstallers
- Gke & Rail Construction LtdCivil engineering
- Craftmark Property Services LtdFinishing trades
- Built by Albuery LimitedProperty developers
- MRT Pro LtdSpecialist contractors
Shared registered office
52 companies on our pages use this registered office address. An address shared this widely is usually an accountant's office or a company formation agent's service address, not where the business trades from.
What happens if Site Grid Energy Limited 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 March 2028.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Apr 2028 to 30 Apr 2028 | £150 |
| 1 to 3 months late | 1 May 2028 to 30 Jun 2028 | £375 |
| 3 to 6 months late | 1 Jul 2028 to 30 Sep 2028 | £750 |
| More than 6 months late | From 1 Oct 2028 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Jul 2028 | £200 |
| 3 months late | 30 Sep 2028 | another £200 |
| 6 months late | 30 Dec 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 30 Jun 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
- 16540614
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 25 June 2025 (1 year ago)
- Registered office
- 22-24 Harborough Road, Northampton, NN2 7AZ
- Nature of business
- Other construction installation (SIC 43290)
- Year end
- 30 June (accounting reference date)
- Accounts type
- Total exemption (full)
- Last accounts made up to
- 30 June 2026
- Last confirmation statement
- 24 June 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 Northampton
Other active installation companies (insulation, lifts, shutters and similar) registered in Northampton.
- SJ Construction Northampton Ltd2024
- Smart Conservatory Solutions Ltd2015
- Smashgard Window Films Ltd2018
- Sostac & Co Facades Ltd2021
- Space Etcetera Ltd2025
- Spicer Installations Limited2006
- Stonehayes Bricklayers Ltd2025
- Storm Solutions Ltd2022
All installation companies (insulation, lifts, shutters and similar) in Northampton · All trades in Northampton · Installers across the UK
Frequently asked questions
When are Site Grid Energy Limited's accounts due?
Site Grid Energy Limited's next accounts are due at Companies House by 31 March 2028 (in 535 days), covering the period to 30 June 2027.
When is Site Grid Energy Limited's CT600 due?
The CT600 for the period to 30 June 2027 is due at HMRC by 30 June 2028, 12 months after the period end. The corporation tax itself is payable earlier, by 1 April 2028.
Is Site Grid Energy Limited still trading?
Site Grid Energy Limited 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 Site Grid Energy Limited do?
Site Grid Energy Limited is registered under Other construction installation (SIC 43290).
How old is Site Grid Energy Limited?
Site Grid Energy Limited was incorporated on 25 June 2025, 1 year ago.
What is the penalty if Site Grid Energy Limited 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 Site Grid Energy Limited 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.