Chase Mill Winchester Road Bishops Waltham Southampton Hampshire SO32 1AH Data via plota.co.uk

26/01738/LIS - Listed Building Approved
Extensions & alterationsListed buildings

Proposal

Changes to the internal layout and installation of patio doors Data via plota.co.uk

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View original council record ↗Last checked

Application progress

✓
Received
21 Aug 2026
✓
Approved
29 Sept 2026

Approved on 29 Sept 2026 · Delegated Decision · Last checked 5 Oct 2026

Documents 18

Decision & officer reports 1

PDF Decision Notice Decision Notice · 29 Sept 2026 View ↗

Plans & drawings 12

PDF PROPOSED FLOOR & CEILING TREATMENT PLANS Drawing · 24 Sept 2026 View ↗ PDF DETAILS INTERNAL PARTITIONS Drawing · 24 Sept 2026 View ↗ PDF FLOOR ENHANCEMENT DETAILS Drawing · 24 Sept 2026 View ↗ PDF HA22-223-P007A EXISTING AND PROPOSED ELEVATIONS Drawing · 21 Aug 2026 View ↗ PDF HA22-223-P008B PROPOSED INTERNAL ELEVATIONS Drawing · 21 Aug 2026 View ↗ PDF HA22-223-P009B PROPOSED FLOOR PLAN Drawing · 21 Aug 2026 View ↗ PDF HA22-223-P300 RAILING DETAILS Drawing · 21 Aug 2026 View ↗ PDF HA22-223-S007 DOOR DETAIL 1 Drawing · 21 Aug 2026 View ↗ PDF HA22-223-S007 DOOR DETAIL 2 Drawing · 21 Aug 2026 View ↗ PDF PROPOSED CYCLE STORE BIN STORE AND BRIDGE DETAILS Drawing · 21 Aug 2026 View ↗ PDF REPLACEMENT WINDOW DETAILS Drawing · 21 Aug 2026 View ↗ PDF LOCATION PLAN Drawing · 21 Aug 2026 View ↗

Application forms 1

PDF APPLICATION FORM Application Form · 21 Aug 2026 View ↗

Consultation & comments 2

PDF WCC HISTORIC ENVIRONMENT Consultee Comment · 23 Sept 2026 View ↗
PDF Commenter’s name hidden Show Public Comment · 7 Sept 2026 View ↗

Other documents 2

PDF OFFICERS REPORT Report · 29 Sept 2026 View ↗ PDF COVERING LETTER Background Papers · 21 Aug 2026 View ↗

All documents on the council site ↗

Site constraints 11

Grade II listed: Waltham Chase Mill
List entry 1095696 · 3 m away · 2 more listed buildings within 150 m (1 Grade II*, 1 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 2 with distances
Historic England ↗
Nutrient neutrality catchment: Solent: Includes Chichester and Langstone Harbours SPA/Ramsar, Solent and Southampton Water SPA/Ramsar, Solent Maritime SAC, Portsmouth Harbour SPA/Ramsar
New homes and overnight accommodation must show nutrient neutrality before approval.
Natural England advice: extra wastewater in these catchments harms protected habitats, so schemes must offset their nutrient load, usually through credits.
In flood zones plus climate change
Inside the extent flood zones 2 and 3 could reach with climate change: the Central allowance for the 2080s on rivers, the Upper End allowance for sea level rise to 2125. From rivers. Defences are not counted.
The Environment Agency flood map for planning. Councils use it to decide when a flood risk assessment and the sequential test are needed. It is indicative and does not show whether a particular property will flood.
Flood map ↗
Local nature reserve 27 m away: The Moors, Bishops Waltham
Work nearby can need a habitats assessment.
Harm to a protected site is only accepted where there is no alternative and an overriding public interest.
Agricultural land, grade 4
Poor quality farmland, not best and most versatile. Source: the Predictive Agricultural Land Classification Map (Defra and Natural England, 2025; the Welsh Government's Predictive ALC Map 2 in Wales), a model rather than a site survey. Natural England's Provisional ALC map (1:250,000, 1970s) agrees.
Where development of farmland is needed, policy prefers poorer land over the best and most versatile (grades 1, 2 and 3a). Three sources: Natural England's post-1988 field surveys, which are definitive where they exist; the Defra predictive map for England (2025) and the Welsh Government predictive map, modelled from the soil map with 3a and 3b split; and the 1970s provisional map, which planners and other services still show, coarser and with grade 3 undivided. Where the provisional and predicted grades disagree, treat the predicted grade as the current estimate and expect an application to carry its own survey.
SSSI 27 m away: The Moors, Bishop's Waltham SSSI
Natural England may need consulting, depending on what is proposed.
Sites of special scientific interest are the best wildlife and geological sites in the country. Development likely to harm one is rarely permitted.
Habitat network: Network Enhancement Zone 1
Where habitat is joined up enough to work as a network. Context, not a constraint on its own.
National park 24 m away: South Downs
Outside the park; its setting can still be raised.
Landscape, scenic beauty and wildlife carry great weight, and major development is only allowed in exceptional circumstances.
Also on the record
Radon affected area, class 3; National infrastructure project 1684 m away: Hampshire Water Transfer and Water Recycling Project; Priority habitat 27 m away: Lowland meadows.
Not affected
Outside flood zones 2 and 3 · Not green belt · No scheduled monument at the site

Checked on 6 October 2026. Historic England, the Environment Agency, Natural England, the Planning Inspectorate, the British Geological Survey and UK Health Security Agency (radon, contains BGS materials © UKRI) 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.

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Important details

Council
Winchester
Application type
Listed Building
Postcode
SO32 1AH
Received
21 Aug 2026
Validated
21 Aug 2026
Ward
BISHOPS WALTHAM
Parish
Bishops Waltham Parish Council
Case officer
Show
Target decision
16 Oct 2026
Decision
Application Permitted
Decision date
29 Sept 2026
Decision level
Delegated Decision
Applicant
Show
Agent
Halo Architects LTD

How this decision compares

Decided in 39 days from validation, 17 days faster than Winchester's median of 56 for extensions. Approved, as 97% of extensions here are.

53%decided within 8 weeks
97%approved
422decided in the last year

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

Consultation & key dates

Statutory expiry
16 Oct 2026
Env. assessment
No

Historical activity at this location

21 previous applications on record - archival context, not part of the live application.

This property

Previous applications at this address

2024 Approved
Application Reference Number: 19/01791/FUL19/01792/LIS Date of Decision: 05/05/2020Condit…
24/00975/FUL
2023 Approved
Internal alterations to introduce acoustic and fire protection at first and second floor…
23/01294/LIS
2023 Approved
Application to vary condition 4 of listed building consent 19/01792/LIS and Condition 3 o…
23/01300/FUL
2023 Approved
Discharge of condition 2 of planning application 19/01792/LIS
23/00842/DIC
2023 Approved
Internal alterations to introduce acoustic and fire protection at first and second floor…
23/01294/LIS
2023 Approved
Application to vary condition 4 of listed building consent 19/01792/LIS and Condition 3 o…
23/01300/FUL
2023 Approved
Discharge of condition 2 of planning application 19/01792/LIS
23/00842/DIC
Within ~100m

Nearby activity

2020 Withdrawn
Rose Petal Cottage Winchester Road Bishops Waltham SO32 1AH
Long terms use of land as C3 residential.
20/00729/LDP
2019 Approved
Chase Mill Winchester Road Bishops Waltham SO32 1AH
Change of use of 6No. offices to 6No. Residential C3 Flats Provision for secure cycles, a…
19/01792/LIS
2019 Approved
Chase Mill Winchester Road Bishops Waltham SO32 1AH
Change of use of 6No. offices to 6No. Residential C3 Flats Provision for secure cycles, a…
19/01792/LIS
2019 Approved
Chase Mill Winchester Road Bishops Waltham SO32 1AH
Change of use of 6No. offices to 6No. Residential C3 Flats Provision for secure cycles, a…
19/01791/FUL
2019 Approved
Chase Mill Winchester Road Bishops Waltham SO32 1AH
Change of use of 6No. offices to 6No. Residential C3 Flats Provision for secure cycles, a…
19/01791/FUL
2018 Approved
Chase Mill Winchester Road Bishops Waltham SO32 1AH
Proposed Car park and access track to rear of Chase Mill, plus removal of small fruit tre…
18/01968/LIS
2018 Approved
Chase Mill Winchester Road Bishops Waltham SO32 1AH
Proposed Car park and access track to rear of Chase Mill, plus removal of small fruit tre…
18/01968/LIS
2018 Approved
Chase Mill Winchester Road Bishops Waltham SO32 1AH
Proposed Car park and access track to rear of Chase Mill, plus removal of small fruit tre…
18/01967/FUL
2018 Approved
Chase Mill Winchester Road Bishops Waltham SO32 1AH
Proposed Car park and access track to rear of Chase Mill, plus removal of small fruit tre…
18/01967/FUL
2017 Approved
Chasemoor Farm Waltham Mill Winchester Road Bishops Waltham SO32 1AH
Use of land to station a mobile home/granny annexe for use incidental to the main dwelling
17/02607/LDP
2017 Refused
The Gallery Chase Mill Winchester Road Bishops Waltham Hampshire
Proposed New car park (2 spaces) for Dwelling at The Gallery, including: Retaining Wall…
17/02594/LIS
2017 Refused
The Gallery Chase Mill Winchester Road Bishops Waltham Hampshire
Proposed New car park (2 spaces) for Dwelling at The Gallery, including: Retaining Wall…
17/02593/FUL
2016 Approved
Sprayfine Ltd The Gallery Chase Mill Winchester Road Bishops Waltham Southampton Hampshire SO32 1AH
Change of use from B1 (office) to one bedroom residential property C3 (Dwelling)
16/01529/LIS
2016 Approved
Sprayfine Ltd The Gallery Chase Mill Winchester Road Bishops Waltham Southampton Hampshire SO32 1AH
Change of use from B1 (office) to one bedroom residential property C3 (Dwelling)
16/01528/FUL
Winchester
Planning Authority Score
4.5/10
Below average
#177 of 296 councils
Relevant to this application:
Other decisions

Winchester is slower than most councils at deciding householder applications, ranking #213 out of 296. 50% of applications have the time limit extended, above the 41% national average. Householder applications are slightly more likely to be approved here (97%) than the national average (90%).

Slower than most councils
for householder decisions
These figures are council-wide context, not a prediction for this application. View full council performance
Winchester decision statistics
Based on MHCLG data, the year to March 2026
93%
Overall approval rate
Above avg (87%) #72 of 296
97%
Householder approved
Above avg (90%) #47 of 296
55%
Decided in 8 weeks
Below avg (63%) #213 of 296
50%
Extended time limit
Above avg (41%) #230 of 296
70%
Minor dwellings approved
63 decided (1-9 homes)
92%
Major dwellings approved
12 decided (10+ homes)
88%
Change of use approved
32 decided
918
Total decisions
60 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