The Old Armoury 3 Museum Street Saffron Walden Essex CB10 1JN Data via plota.co.uk

UTT/26/2169/FUL - Fully Detailed Approved
Change of useExtensions & alterationsNew homesCommercial premises

Proposal

Change of use from Class E (offices) to Class C3 (residential) and proposed internal and external renovations and alterations Data via plota.co.uk

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View original council record ↗Last checked

Application progress

✓
Received
24 Aug 2026
✓
Consultation
25 Aug 2026
✓
Approved
6 Oct 2026

Approved on 6 Oct 2026 · Delegated Decision · Last checked 7 Oct 2026

Documents 22

Decision & officer reports 1

PDF ACFULZ - CONDITIONAL APPROVAL FUL Decision Notice · 6 Oct 2026 View ↗

Statements & assessments 4

PDF PS ECOLOGY - RESPONSE B900-AP Consultation Replies · 21 Sept 2026 View ↗ PDF HERITAGE, DESIGN AND ACCESS STATEMENT B610-Supporting information · 24 Aug 2026 View ↗ PDF BIODIVERSITY VALIDATION CHECKLIST B610-Supporting information · 24 Aug 2026 View ↗ PDF ECOLOGICAL SURVEY AND ASSESSMENT B610-Supporting information · 24 Aug 2026 View ↗

Plans & drawings 9

PDF REVISED BLOCK PLAN B020-Plan · 29 Sept 2026 View ↗ PDF REVISED PROPOSED ELEVATIONS B020-Plan · 29 Sept 2026 View ↗ PDF REVISED PROPOSED FLOOR PLAN B020-Plan · 29 Sept 2026 View ↗ PDF EXISTING FLOOR PLANS B020-Plan · 24 Aug 2026 View ↗ PDF EXISTING ELEVATIONS B020-Plan · 24 Aug 2026 View ↗ PDF SUPERSEDED PROPOSED ELEVATIONS B020-Plan · 24 Aug 2026 View ↗ PDF SUPERSEDED PROPOSED FLOOR PLANS B020-Plan · 24 Aug 2026 View ↗ PDF SUPERSEDED BLOCK PLAN B020-Plan · 24 Aug 2026 View ↗ PDF LOCATION PLAN B020-Plan · 24 Aug 2026 View ↗

Application forms 1

PDF APPLICATION FORM B610-Supporting information · 24 Aug 2026 View ↗

Consultation & comments 4

PDF ENVIRONMENTAL HEALTH - COMMENTS B900-AP Consultation Replies · 1 Oct 2026 View ↗ PDF SWTC - RESPONSE B900-AP Consultation Replies · 15 Sept 2026 View ↗ PDF ECC HIGHWAYS - RESPONSE B900-AP Consultation Replies · 10 Sept 2026 View ↗ PDF WARD MEMBER'S RESSPONSE B900-AP Consultation Replies · 25 Aug 2026 View ↗

Other documents 3

PDF OTHER B110-Officers Reports · 6 Oct 2026 View ↗ PDF CONSTR - CONSTRAINTS LIST Report · 25 Aug 2026 View ↗ PDF ACKAPP STANDARD ACKNOWLEDGEMENT Correspondence · 25 Aug 2026 View ↗

All documents on the council site ↗

Site constraints 5

Grade II listed: Conservative Club
List entry 1297736 · The pin is inside its outline · 118 more listed buildings within 150 m (5 Grade I, 12 Grade II*, 92 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 118 with distances
Historic England ↗
Saffron Walden 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 15 m away: Bury Hill: a motte and bailey castle west of Castle Lane
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
Registered park or garden 166 m away: Bridge End Gardens; Inside the Saffron Walden built-up area.
Not affected
Outside flood zones 2 and 3 · Not green belt

Checked on 7 October 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.

Building

Floor area103 m² (1,109 sq ft)
Energy ratingE (asset rating 113)
UseOffices and Workshop Businesses
HeatingHeating and Natural Ventilation

From the energy performance certificate lodged in November 2025, the latest held for this property. The building may have changed since. View the certificate

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Other new applications on this street

12 Oct 2026Pending

Saffron Walden Museum Museum Street Saffron Walden Essex CB10 1BN

Proposed works to 3 no. trees to allow for clear and safe access to fire exit st...

UTT/26/2610/TCA

Nearby new applications

26 Oct 2026Pending

Gloriana 36 Audley Road Saffron Walden Essex CB11 3HD

Remove 1 no. Western red Cedar tree to near ground level

UTT/26/2690/TCA
23 Oct 2026Pending

Saffron Walden Library 2 King Street Saffron Walden Essex CB10 1ES

Replace existing single-glazed windows and doors with double-glazed units. Exist...

UTT/26/2704/LB
21 Oct 2026Pending

R A Butler School South Road Saffron Walden Essex CB11 3DG

Reduce crowns of 1 no. horse chestnut (T032) and 1 no. black pine (T050) by 1.5m...

UTT/26/2681/TPO
21 Oct 2026Pending

10 Park Lane Saffron Walden Essex CB10 1DA

Re-pollard 4 no. limes, reduce crown of 1 no. yew by 1 metre, coppice 1 no. amel...

UTT/26/2680/TCA
21 Oct 2026Pending

3 Common Hill Saffron Walden Essex CB10 1JG

Application for the discharge of condition 5 (Insulation Works), condition 6 (Pl...

UTT/26/2689/DOC
13 Oct 2026Pending

Boundary Wall Between King Edward Vi Almshouses And Bowling Green Abbey Lane Saffron Walden CB10 1DE

Stabilisation and restraint works to an existing flint boundary wall

UTT/26/1676/LB

Important details

Council
Uttlesford
Application type
Fully Detailed
Postcode
CB10 1JN
Received
24 Aug 2026
Validated
24 Aug 2026
Ward
Saffron Walden Castle
Parish
Saffron Walden
Case officer
Show
Target decision
19 Oct 2026
Decision
Approve with Conditions
Decision date
6 Oct 2026
Decision level
Delegated Decision
Applicant
Show
Agent
Kay Pilsbury Thomas Architects

How this decision compares

Decided in 43 days from validation, 11 days faster than Uttlesford's median of 54 for changes of use. Approved, as 71% of changes of use here are.

74%decided within 8 weeks
71%approved
6%go to committee

Plota live figures for changes of use decided by Uttlesford in the last twelve months, from validation. Uttlesford decision record →

Public comments

No public comments yet.

14 neighbours consulted · Last counted 7 Oct 2026

Read the comments on the council site ↗

Consultation & key dates

Alt. reference
PP-15086908
Planning Portal ref
PP-15086908
Neighbours
26 Aug 2026
Consultation
25 Aug 2026
Comments by
24 Sept 2026
Site or press notice
27 Aug 2026
Statutory expiry
19 Oct 2026
Env. assessment
No

Historical activity at this location

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

Within ~100m

Nearby activity

2025 Refused
6 Market Place Saffron Walden Essex CB10 1HR
Removal of existing signage and graphics and installation of new image replacements
UTT/25/1393/LB
2025 Refused
6 Market Place Saffron Walden Essex CB10 1HR
Removal of existing signage and graphics and replacing with signage and graphics. 7no. fa…
UTT/25/1301/AV
2025 Approved
Land To The Rear Of 5 Museum Street Saffron Walden Essex
1no. Elderfloweer- fell
UTT/25/2403/TCA
2025
3 Market Hill Saffron Walden Essex CB10 1HQ
Internal works to fit out a vacant retail unit in line with Joules brand - new decoration…
UTT/25/1474/LB
2025
3 Market Hill Saffron Walden Essex CB10 1HQ
Internal works to fit out a vacant retail unit in line with Joules brand - new decoration…
UTT/25/1473/FUL
2025
3 Market Hill Saffron Walden Essex CB10 1HQ
2no. new sign written signs on existing fascia panels
UTT/25/1468/AV
2025
Saffron Walden Museum Museum Street Saffron Walden Essex CB10 1BN
1no. sycamore- reduced in height by 3-4 meters, reduce remaining crown to balance shape…
UTT/25/0794/TCA
2024
Saffron Walden Museum Museum Street Saffron Walden Essex CB10 1BN
Proposed works to total of 18 no. trees of various species as per the submitted schedule…
UTT/24/2840/TCA
2024
Saffron Walden Museum Museum Street Saffron Walden Essex CB10 1BN
Proposed works to total of 18 no. trees of various species as per the submitted schedule…
UTT/24/2840/TCA
2024
29 And 31 Church Street And 17 Market Hill Saffron Walden Essex CB10 1JW
Alteration and repair to two first floor flats, including reinstating separation between…
UTT/24/2483/LB
2024
29 And 31 Church Street And 17 Market Hill Saffron Walden Essex CB10 1JW
Alteration and repair to two first floor flats, including reinstating separation between…
UTT/24/2483/LB
2024 Refused
Winstanley House 4 Market Hill Saffron Walden Essex CB10 1HQ
Repairs to floor structures, recovering of tiled roof surfaces and replacement of front d…
UTT/24/0242/LB
2024 Refused
Winstanley House 4 Market Hill Saffron Walden Essex CB10 1HQ
Repairs to floor structures, recovering of tiled roof surfaces and replacement of front d…
UTT/24/0242/LB
2023 Approved
Tennis Courts Museum Street Saffron Walden Essex CB10 1BN
Replacement shed
UTT/23/2806/FUL
2023 Approved
Tennis Courts Museum Street Saffron Walden Essex CB10 1BN
Replacement shed
UTT/23/2806/FUL
2023 Approved
8 Museum Street Saffron Walden Essex CB10 1BN
Replacement windows with double glazed units in the same style - further to UTT/21/2470/LB
UTT/23/2313/LB
2023 Approved
8 Museum Street Saffron Walden Essex CB10 1BN
Replacement windows with double glazed units in the same style - further to UTT/21/2470/LB
UTT/23/2313/LB
2023 Withdrawn
Winstanley House 4 Market Hill Saffron Walden Essex CB10 1HQ
Proposed repair works to floors and roof.
UTT/23/1095/LB
2023 Withdrawn
Winstanley House 4 Market Hill Saffron Walden Essex CB10 1HQ
Proposed repair works to floors and roof.
UTT/23/1095/LB
2023 Approved
3 The Maynards Museum Street Saffron Walden Essex CB10 1JF
1no. conifer and leylandi hedge- reduce by 3-4ft
UTT/23/1447/TCA
2019 Refused
34 Church Street Saffron Walden Essex CB10 1JQ
Proposed replacement of 2 existing wooden sash windows to the front of the property
UTT/19/0216/CLPLB
2019 Refused
34 Church Street Saffron Walden Essex CB10 1JQ
Proposed replacement of 2 existing wooden sash windows to the front of the property
UTT/19/0216/CLPLB
2018 Approved
12 Market Hill Saffron Walden CB10 1HQ
Removal of modern external staircase, reinstatement of internal stairs, reconstruction of…
UTT/18/2997/LB
2018 Approved
20 & 20A Church Street Saffron Walden Essex CB10 1JW
Refurbishment and alterations to 20A Church Street (retail use) to bring back into use ar…
UTT/18/0033/FUL
2018 Approved
20 & 20A Church Street Saffron Walden CB10 1JW
Alterations to 20 Church Street (residential use) to provide improved accommodation and b…
UTT/18/0008/LB
Uttlesford
Planning Authority Score
6.2/10
Average
#95 of 296 councils
Relevant to this application:
Change of use

Uttlesford is faster than most councils at deciding householder applications, ranking #31 out of 296. Only 25% of applications have the time limit extended, well below the 41% national average - the council usually decides on time. Uttlesford is also one of the strictest councils - it refuses more householder applications than almost any other, with only 82% approved vs 90% nationally.

One of the strictest councils
only 82% approved vs 90% nationally
These figures are council-wide context, not a prediction for this application. View full council performance
Uttlesford decision statistics
Based on MHCLG data, the year to March 2026
77%
Overall approval rate
Below avg (87%) #280 of 296
82%
Householder approved
Below avg (90%) #272 of 296
82%
Decided in 8 weeks
Above avg (63%) #31 of 296
25%
Extended time limit
Below avg (41%) #33 of 296
71%
Minor dwellings approved
276 decided (1-9 homes)
87%
Major dwellings approved
23 decided (10+ homes)
64%
Change of use approved
28 decided
1,247
Total decisions
288 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

Energy performance: Energy performance certificates from the Energy Performance of Buildings Register, Ministry of Housing, Communities and Local Government. Contains public sector information licensed under the Open Government Licence v3.0. © Crown copyright 2026.