Trinity Works Unit 1, 24 Trinity Street, Colchester CO1 1JN Data via plota.co.uk

261690 - Full (8 Week Determination) Application Valid
Extensions & alterationsSolar & renewablesCommercial premises

Proposal

Replacement of ground-floor glazing and installation of an air source heat pump. Data via plota.co.uk

Track application Save this application and get an email when its status or decision changes. Alerts nearby Get email alerts for new planning applications near this address.
View original council record ↗Last checked

Application progress

✓
Received
15 Sept 2026
Decision
Expected by 10 Nov 2026

This application is under consideration - no decision has been issued yet. Plota predicts a decision around 10 Nov 2026, from Colchester's recent extensions. Comments are open until 7 Oct 2026.

Comment on this application ↗

Documents

View the documents on the council's website ↗

Site constraints 6

Grade II listed: 22, Trinity Street
List entry 1337773 · 29 m away · 34 more listed buildings within 150 m (1 Grade I, 3 Grade II*, 30 Grade II)
Listed building consent is needed for work that affects the special interest of a listed building, inside or out, on top of planning permission. Setting can be a consideration for buildings nearby; there is no fixed radius.
Show the other 34 with distances
Historic England ↗
Colchester Area 1 conservation area
Demolition needs planning permission and permitted development is restricted.
The council must give weight to preserving or enhancing the area's character and appearance. Not every council has published its boundaries as open data.
Scheduled monument 45 m away: Town Wall
Its setting is a consideration for work nearby.
Nationally important archaeology protected by the Secretary of State. Work that affects the monument or its setting is rarely permitted.
Historic England ↗
Also on the record
Heritage at risk 65 m away: Former Church of Holy Trinity, Trinity Street; Inside the Colchester built-up area; Air quality management area 68 m away: Osborne Street & St John's Street.
Not affected
Outside flood zones 2 and 3 · Not green belt

Checked on 17 September 2026. Historic England, the Environment Agency, Natural England and council datasets, Open Government Licence. A boundary can run through a site and the council holds the definitive record: confirm with the council before relying on this.

Work with planning data?

Every application in Colchester - and every UK council - as a live feed, an API, or a bulk CSV export.

About Plota's data service

Other new applications on this street

26 Aug 2026Pending

Former, Holy Trinity Church, Trinity Street, Colchester

The restoration and relocation of graveyard monuments within the former churchya...

261571
20 Jul 2026Approved

Former, Holy Trinity Church, Trinity Street, Colchester CO1 1JN

Update to listed building approval ref: 252042 to reflect amendments required fo...

261277
10 Apr 2026Pending

Holy Trinity Church, Trinity Square, Trinity Street Colchester

Application to discharge condition 3 of planning permission 232565

260660

Nearby new applications

28 Sept 2026Pending

48 Castle Road, Colchester CO1 1UN

T1 - Plum - Formative prune.T2 - Apple - Formative prune

261747
1 Sept 2026Pending

Land to the rear of, 22 Mersea Road, Colchester Essex CO2 7EU

Construction of two storey one bedroom dwelling.

261602
24 Sept 2026Pending

16 High Street, Colchester CO1 1DA

Application for a Lawful Development Certificate for a Proposed installation of ...

261741
2 Jul 2026Pending

Barclays Bank Plc, 9 High Street, Colchester CO1 1DA

New Smart ATM and New tablet sign to be installed. Existing Aperture to be adapt...

261711
21 Sept 2026Pending

34 Priory Street, Colchester CO1 2QA

Application to discharge condition 3 (details of brickwork, mortar, bond and joi...

261725
8 Sept 2026Pending

St Mary's Business Centre, 29 Manor Road, Colchester CO3 3LX

Replacement of existing single glazed windows to east elevation with double glaz...

261655

Important details

Council
Colchester
Application type
Full (8 Week Determination)
Postcode
CO1 1JN
Received
15 Sept 2026
Validated
15 Sept 2026
Ward
Castle
Parish
Colchester
Case officer
Show
Target decision
10 Nov 2026
Applicant
Show

Decision outlook

Day 19 of the 56-day target. Colchester usually decides extensions by day 56.

Day 1937 days to the 56-day target
65%decided within 8 weeks
84%approved
426decided in the last year

Plota live figures for extensions decided by Colchester in the last twelve months, from validation. Colchester decision record →

Consultation & key dates

Comments by
7 Oct 2026

Historical activity at this location

25 nearby applications on record - archival context, not part of the live application.

Within ~100m

Nearby activity

2025 Approved
Portal Precinct, Sir Isaacs Walk, Colchester CO1 1JJ
Replacement of existing doors and openings in three units with double doors giving a wide…
252639
2025 Approved
Former, Holy Trinity Church, Trinity Street, Colchester CO1 1JN
Repair and refurbishment of existing former church building previouslyused as commercial…
252041
2025
Harris Wood, 25 Sir Isaacs Walk, Colchester CO1 1JJ
1 no. fascia panel on front north facing elevation of commercial premises. Text will be L…
252455
2025 Approved
10 Trinity Street, Colchester CO1 1JN
Change of use from class E (currently a cafe) to C3 Dwelling house.
250607
2025 Approved
Holy Trinity Church, Trinity Street, Colchester CO1 1JN
The work consists of the first stage of external repairs comprising: strip and re-roof 3…
250384
2025
Headgate Buildings, Sir Isaacs Walk, Colchester CO1 1JJ
Change of use from Class E(e) Health & Medical Services to Class C3 Dwellinghouses (8 Apa…
251461
2025 Approved
20 Trinity Street, Colchester CO1 1JN
Proposed change of use from offices to residential use to allow for 3 bedroom dwelling (n…
250053
2025
Colchester Central Library, 21 Trinity Square, Colchester CO1 1JB
Essex County Council Consultation (CC/COL/26/25) for proposed replacement entrance lobby.
250835
2025 Withdrawn
20 Trinity Street, Colchester CO1 1JN
Proposed change of use from offices to residential use to allow for 3 bedroom dwelling. (…
250056
2024 Refused
11 Sir Isaacs Walk, Colchester Essex CO1 1JJ
Proposed resurface of car park from loose aggregate to block paving
242158
2024 Refused
11 Sir Isaacs Walk, Colchester Essex CO1 1JJ
Proposed resurface of car park from loose aggregate to block paving
242158
2024 Refused
11 The Limes, Sir Isaacs Walk, Colchester Essex CO1 1JJ
Construction of double garage to front of dwelling.
242058
2024 Refused
11 The Limes, Sir Isaacs Walk, Colchester Essex CO1 1JJ
Construction of double garage to front of dwelling.
242058
2024
21 Trinity Street, Colchester CO1 1JN
Pruning of willow tree (marked T1 in sketch) where branches are overhanging the adjoining…
242171
2024
21 Trinity Street, Colchester CO1 1JN
Pruning of willow tree (marked T1 in sketch) where branches are overhanging the adjoining…
242171
2024 Approved
12 Trinity Street, Colchester CO1 1JN
Paint Exterior: Externally repaint rendered part of front fa¦ade with breathable paint in…
241289
2024 Approved
12 Trinity Street, Colchester CO1 1JN
Paint Exterior: Externally repaint rendered part of front fa¦ade with breathable paint in…
241289
2024 Refused
Tribune House, 27 - 29 Sir Isaacs Walk, Colchester CO1 1JJ
Replacement of existing windows
241435
2024 Refused
Tribune House, 27 - 29 Sir Isaacs Walk, Colchester CO1 1JJ
Replacement of existing windows
241435
2024
11 Juniper House, Sir Isaacs Walk, Colchester Essex CO1 1JJ
T1 - Yew Tree Courtyard Front Garden, trim all round by up to 1m, to bring back into sphe…
241606
2020 Approved
3 Centurion House, St. Johns Street, Colchester CO2 7AH
White background projecting individuals letters saying 'Ebb & Flow' ingold. Below the pro…
200311
2019 Approved
3 Portal Precinct, Sir Isaacs Walk, Colchester CO1 1JJ
Change of use from A1 (Retail) to Sui-Generis (Non-Surgical Beauty Treatment Clinic) at g…
193138
2019 Approved
3 Portal Precinct, Sir Isaacs Walk, Colchester CO1 1JJ
Change of use from A1 (Retail) to Sui-Generis (Non-Surgical Beauty Treatment Clinic) at g…
193138
2019 Approved
HSBC, 26 High Street, Colchester CO1 1DQ
Replacement of existing ATM header signage to comply with new HSBC UK branding
193075
2019 Approved
HSBC, 26 High Street, Colchester CO1 1DQ
Replacement of existing ATM header signage to comply with new HSBC UK branding
193075
Colchester
Planning Authority Score
6.2/10
Average
#91 of 296 councils
Relevant to this application:
Householder decisions

Colchester is faster than most councils at deciding householder applications, ranking #43 out of 296. Only 27% of applications have the time limit extended, well below the 41% national average - the council usually decides on time. Colchester is also one of the strictest councils - it refuses more householder applications than almost any other, with only 84% approved vs 90% nationally.

One of the strictest councils
only 84% approved vs 90% nationally
These figures are council-wide context, not a prediction for this application. View full council performance
Colchester decision statistics
Based on MHCLG data, the year to March 2026
82%
Overall approval rate
Below avg (87%) #245 of 296
84%
Householder approved
Below avg (90%) #255 of 296
79%
Decided in 8 weeks
Above avg (63%) #43 of 296
27%
Extended time limit
Below avg (41%) #39 of 296
67%
Minor dwellings approved
69 decided (1-9 homes)
85%
Major dwellings approved
13 decided (10+ homes)
75%
Change of use approved
89 decided
1,074
Total decisions
188 refused in the year to March 2026
Source: MHCLG planning statistics · See full council rankings

Freehold boundary: © Crown copyright and database rights 2026, HM Land Registry. Polygons © Crown copyright and database rights 2026 Ordnance Survey 100026316. Conditions of use