- Companies
- Property developers
- Seaham
- Coastal Joinery & Building Services Ltd
Coastal Joinery & Building Services Ltd
- Company number
- 11927428
- Incorporated
- 5 Apr 20197 years trading
- Registered office
- Unit 7A Cold Hesledon Industrial Estate, Cold Hesledon, Seaham, SR7 8ST
- Nature of business
- Development of building projects; Construction of commercial buildings; Construction of domestic buildings; Joinery installation
Coastal Joinery & Building Services Ltd is a 7-year-old private limited company registered in Seaham, company number 11927428, one of 9 property development companies in Seaham. 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 up £94K (+534.8%) on the year before, to £76K.
- Net assets rose in 5 of 7 year-on-year comparisons on record.
- Current assets of £262K against £159K owed within a year: 1.6 times cover.
- 8 employees on average, up from 4 the year before.
- Balance sheets on record for 8 years, 2020 to 2026.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 31 Mar 2026 | £76K | £262K | £159K | 8 | |
| 31 Mar 2025 | -£18K | 4 | |||
| 30 Apr 2024 | £6,483 | 0 | |||
| 31 Mar 2024 | £6,483 | 4 | |||
| 30 Apr 2023 | £1,460 | 4 | |||
| 30 Apr 2022 | £649 | £19K | £26K | £25K | 2 |
| 30 Apr 2021 | £208 | £1,251 | £1,043 | 2 | |
| 30 Apr 2020 | £2 | £2 |
Where Coastal Joinery & Building Services Ltd is registered
The registered office is in Seaham (SR7), in the County Durham local authority area, North East. Show SR7 8ST on a map.
Other trade companies in SR7
- Northeast Hygiene Solution LtdCleaning companies
- Wraccess LimitedElectricians
- GS Groundworks Ne LtdCivil engineering
- Alloy Wheel Studio LimitedMechanics and garages
- Leewoods Developments LtdProperty developers
- Parker Clarke Group LtdMachinery repair and installation
- Coast 2 Coast Builders LtdBuilders
- Technalight LtdElectricians
Also registered at this address
1 other company uses the same registered office as Coastal Joinery & Building Services Ltd.
- W W Brazell LimitedElectricians
What happens if Coastal Joinery & Building Services 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
- 11927428
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 5 April 2019 (7 years ago)
- Registered office
- Unit 7A Cold Hesledon Industrial Estate, Cold Hesledon, Seaham, SR7 8ST
- Nature of business
- Development of building projects (SIC 41100)
Construction of commercial buildings (SIC 41201)
Construction of domestic buildings (SIC 41202)
Joinery installation (SIC 43320) - Year end
- 31 March (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 31 March 2026
- Last confirmation statement
- 6 October 2025
Filing notes for property development companies
Many property development companies are single-project vehicles. Stock of land and buildings sits on the balance sheet as work in progress until sale, and a company that has finished its project may become dormant rather than close.
Similar companies in Seaham
Other active property development companies registered in Seaham.
- Halo's Luxury Homes & Architecture Vision Ltd2025
- High Fallowfield Land & Property Ltd2025
- Leewoods Developments Ltd2026
- M L Properties Limited2003
- Morton Construction Ltd2025
- Building Solutions (N.E.) Ltd2008
- Chase Construction & Commercial Management Ltd2026
- Coastal Facilities Management Ltd2024
All property development companies in Seaham · All trades in Seaham · Property developers across the UK
Frequently asked questions
When are Coastal Joinery & Building Services Ltd's accounts due?
Coastal Joinery & Building Services Ltd's next accounts are due at Companies House by 31 December 2027 (in 443 days), covering the period to 31 March 2027.
When is Coastal Joinery & Building Services 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 Coastal Joinery & Building Services Ltd still trading?
Coastal Joinery & Building Services 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 Coastal Joinery & Building Services Ltd do?
Coastal Joinery & Building Services Ltd is registered under Development of building projects (SIC 41100); Construction of commercial buildings (SIC 41201); Construction of domestic buildings (SIC 41202); Joinery installation (SIC 43320).
How old is Coastal Joinery & Building Services Ltd?
Coastal Joinery & Building Services Ltd was incorporated on 5 April 2019, 7 years ago.
What is the penalty if Coastal Joinery & Building Services 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 Coastal Joinery & Building Services 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.