17 Priory Park, Blackheath, London, SE3 9UY Data via plota.co.uk

26/1956/HD - Householders Registered
Extensions & alterationsSolar & renewables

Proposal

Construction of an entrance canopy, replacement of door and bay window, a first floor front and rear extension and additional second floor accommodation. Replacement windows and doors, re-cladding of the property and a rear pergola structure. The proposals also include solar roof panels and air conditioning (re-consultation, amended red line boundary) Data via plota.co.uk

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View original council record ↗Last checked

Application progress

✓
Received
1 Jul 2026
✓
Validated
17 Jul 2026
✓
Consultation
25 Aug 2026
Decision
Expected by 11 Sept 2026

Under consideration

No decision has been issued yet. Plota predicted a decision soon after comments close on 16 Sept 2026; it is now day 83.

The consultation period closed on 16 Sept 2026.

Documents 30

Statements & assessments 3

PDF Heritage statement Document · 1 Jul 2026 View ↗ PDF Design and access statement Document · 1 Jul 2026 View ↗ PDF Flood risk assessment Document · 1 Jul 2026 View ↗

Plans & drawings 19

PDF Proposed site & ground floor plan Drawing · 16 Jul 2026 View ↗ PDF Existing part site + ground floor plan Drawing · 1 Jul 2026 View ↗ PDF Existing first floor plan Drawing · 1 Jul 2026 View ↗ PDF Proposed elevations Drawing · 1 Jul 2026 View ↗ PDF Proposed sections Drawing · 1 Jul 2026 View ↗ PDF Proposed south-street elevations Drawing · 1 Jul 2026 View ↗ PDF Proposed key details Drawing · 1 Jul 2026 View ↗ PDF Proposed second floor plan Drawing · 1 Jul 2026 View ↗ PDF Proposed roof plan Drawing · 1 Jul 2026 View ↗ PDF Part site + ground floor plan Drawing · 1 Jul 2026 View ↗ PDF Proposed site & location plan Drawing · 1 Jul 2026 View ↗ PDF Existing elevations Drawing · 1 Jul 2026 View ↗ PDF Existing sections Drawing · 1 Jul 2026 View ↗ PDF Existing second floor plan Drawing · 1 Jul 2026 View ↗ PDF Existing roof plan Drawing · 1 Jul 2026 View ↗ PDF Existing part site + ground floor plan Drawing · 1 Jul 2026 View ↗ PDF Existing site & location plan Drawing · 1 Jul 2026 View ↗ PDF Proposed art site + ground floor plan Drawing · 1 Jul 2026 View ↗ PDF Proposed first floor plan Drawing · 1 Jul 2026 View ↗

Application forms 1

PDF Application form redacted Application Form · 1 Jul 2026 View ↗

Other documents 7

PDF Letter re: solar panel Document · 20 Jul 2026 View ↗ PDF Solar panel details Document · 20 Jul 2026 View ↗ PDF Correspondance Correspondence · 20 Jul 2026 View ↗ PDF Covering letter Document · 16 Jul 2026 View ↗ PDF Details of heating & cooling system Document · 16 Jul 2026 View ↗ PDF Specification table Document · 16 Jul 2026 View ↗ PDF 5mxm m daikin specification Document · 1 Jul 2026 View ↗

All documents on the council site ↗

Site constraints 7

Grade II listed: Priory Lodge
List entry 1078917 · 23 m away · 2 more listed buildings within 150 m (2 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 ↗
Blackheath 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.
Council document ↗
Air quality management area: Greenwich AQMA
The council has declared the area as failing an air quality objective.
Schemes that add traffic, parking or combustion plant are assessed against the area's action plan and may need an air quality assessment.
Council record ↗
Also on the record
Radon affected area, class 2; Inside the Greenwich built-up area; Public transport access: PTAL 3 (moderate), TfL 2023, for the 100 m square; Priority habitat 38 m away: No main habitat but additional habitats present.
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 British Geological Survey and UK Health Security Agency (radon, contains BGS materials © UKRI), Transport for London (public transport access levels, Powered by TfL Open Data, OGL v3.0, contains OS data © Crown copyright and database right 2025) 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.

Sales history 1

Last sold for £2,135,000 in April 2020. Detached house, freehold.

2 April 2020£2,135,000

Sale prices from HM Land Registry's price paid record, matched to this application by its address.

Building

Floor area222 m² (2,390 sq ft)
Energy ratingC (71 out of 100), could reach B
PropertyDetached house, 7 habitable rooms
Built1950 to 1966
HeatingBoiler and radiators, mains gas
WallsCavity wall, as built, no insulation (assumed)

From the energy performance certificate lodged in November 2019, the latest held for this property. The building may have changed since. View the certificate

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Important details

Council
Greenwich
Application type
Householders
Postcode
SE3 9UY
Received
1 Jul 2026
Validated
17 Jul 2026
Ward
BLACKHEATH WESTCOMBE
Parish
Greenwich
Case officer
Show
Target decision
11 Sept 2026
Applicant
Show
Agent
Meme Architects LLP

Decision outlook

Day 83, past the statutory target. 96% of extensions in Greenwich are decided within thirteen weeks, which runs to 16 Oct 2026; extensions of time are common, and the council need not decide on the day. Last seen undecided on 7 Oct 2026.

Day 8327 days past the 56-day target
82%decided within 8 weeks
77%approved
832decided in the last year

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

Public comments

14comments received
7 objecting7 supporting

50% support · above the UK average of 16%

39 neighbours consulted · Last counted 7 Oct 2026

Read the comments on the council site ↗

Consultation & key dates

Alt. reference
PP-15047456
Planning Portal ref
PP-15047456
Consultation
25 Aug 2026
Comments by
16 Sept 2026
Statutory expiry
11 Sept 2026
Env. assessment
No

Historical activity at this location

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

This property

Previous applications at this address

2024 Approved
Statement of work: T1 Holm Oak - Rear RHB: To carefully section fell as close to ground l…
24/1988/TC
2023 Approved
T1 Quercus ilex - prune to maintain nice rounded shape by approx. 2 ft all round from 8 f…
23/0886/TC
2022 Approved
T1 Betula pendula - remove one secondary stem overhanging house and gutters.
22/3851/TC
2022 Approved
T1 Malus .spp - Fell and remove stump. Tree is being colonised by Armillaria (honey fungu…
22/3706/TC
2020 Approved
Front garden - T1 Robinia - fell to ground level due to formation of split at base of tru…
20/1619/TC
2020 Withdrawn
T86 - Catalpa : Remove split, eastern branch from upper crown T70 - Robinia : Reduce east…
20/0934/TC
Within ~100m

Nearby activity

2025 Approved
BLOCK AT, 9-12 THE PRIORY, BLACKHEATH, SE3 9XA
Robinia (no.4261) - Fell to ground level. Following results and recommendation from the r…
25/4269/TC
2024 Approved
9 PRIORY PARK, BLACKHEATH, LONDON, SE3 9UY
T1 Sorbus - reduce in height by 2m and laterals to match. Tree is approximately 7m in hei…
24/4022/TC
2024 Approved
THE PRIORY, BLACKHEATH, LONDON, SE3 9XA
Please refer to attached tree safety survey report. including removal of smoke tree 0857…
24/3745/TC
2024 Approved
COMMUNAL GROUNDS, THE PRIORY, BLACKHEATH, SE3 9XA
T1. Mixed Trees - Rear of 5 ? 8. Prune lateral growth encroaching on the building as requ…
24/3862/TC
2024 Approved
7 PRIORY PARK, BLACKHEATH, LONDON, SE3 9UY
Ornamental Weeping Silver Pear Tree - Pyrus salicifolia 'Pendula - Fell. The tree is lean…
24/2392/TC
2024 Approved
COMMUNAL GROUNDS, THE PRIORY, BLACKHEATH, SE3 9XA
T2. Hazel - Adjacent No.6 Priory Park - Cut back to boundary. T3. Lime - Remove epicormic…
24/2132/TC
2024 Withdrawn
BLOCK AT, 35-42 THE PRIORY, BLACKHEATH, SE3 9UZ
T55 - Eucalyptus: Remove tree Reason - please see statement letter provided by attachment
24/0064/TC
2023 Approved
THE PRIORY, BLACKHEATH, LONDON, SE3 9XA
1 Japanese Maple: Opp13-16. Fell. 3 Judas Tree: Adj to nos. 1-4, overhanging parking area…
23/2547/TC
2023 Approved
17 PRIORY PARK, BLACKHEATH, LONDON, SE3 9UY - overhang from 51 Lee Road
T1 & T2 Ash - remove lowest limbs overhanging the garden (two of which have been pruned p…
23/1372/TC
2022 Approved
7 PRIORY PARK, BLACKHEATH, LONDON, SE3 9UY
FELL CYPRESS TREE IN FRONT GARDEN UNSUITABLE POSITION FOR SIZE AND SHAPE OF GARDEN AND CL…
22/2322/TC
2021 Approved
OPPOSITE 17 PRIORY PARK, BLACKHEATH, LONDON, SE3 9UY
Priory Park Opposite 19 T517 Turkish hazel (Corylus colurna) Crown lift to 3m above groun…
21/4368/TC
2021 Approved
9 PRIORY PARK, BLACKHEATH, LONDON, SE3 9UY
Front Garden - Rowan 30% crown reduction due to excessive shading.
21/3547/TC
2021 Approved
PRIORY LODGE, 15 PRIORY PARK, BLACKHEATH, LONDON, SE3 9UY
T1 - Cedar - In late 2020 the tree lost a couple of very large limbs through storm damage…
21/2747/TC
2021 Approved
THE PRIORY, BLACKHEATH, LONDON, SE3 9UZ
Item 2: Elder - Prune to give 1.5m clearance from roof. Item 3: Ash and Judas - Prune to…
21/0114/TC
2020 Approved
ADJ TO BLOCK AT, 35-42 THE PRIORY, BLACKHEATH, SE3 9UZ
Robinia - Remove partially failed limb. Reduce remaining crown by 3-4 metres to shape and…
20/3201/TC
2020 Approved
BLOCK AT, 13-22 THE PRIORY, BLACKHEATH, SE3 9XA
Ash - Cut away from building. Reduce by approximately 3metres. Oak - Crown raise by appro…
20/2970/TC
2020 Approved
17 THE PRIORY, BLACKHEATH, LONDON, SE3 9XA
Oak - Reduce branch touching nearby property by up to 2.5 metres. Reason for application…
20/1923/TC
2020 Approved
1 PRIORY LODGE, 15 PRIORY PARK, BLACKHEATH, LONDON, SE3 9UY
T1 Silver Birch - crown reduction to control the spread of growth overhanging No.17 Prior…
20/1658/TC
2019 Approved
6 PRIORY PARK, BLACKHEATH, LONDON, SE3 9UY
LH rear garden in neighbouring flats T1 - Beech Remove 1 x lowest limb over hanging the r…
19/2379/TC
2019 Approved
4 PRIORY LODGE, 15 PRIORY PARK, BLACKHEATH, LONDON, SE3 9UY
Construction of garden summerhouse.
19/1457/F
2018 Approved
11 PRIORY PARK, BLACKHEATH, LONDON, SE3 9UY
Fell Holly and Conifer trees growing within hedges on the boundary of 9 & 13 - see attach…
18/4391/TC
2017 Approved
1 PRIORY LODGE, 15 PRIORY PARK, BLACKHEATH, LONDON, SE3 9UY
Magnolia grandiflora - crown reduce by 30%
17/3773/TC
2017 Approved
FLAT 1 PRIORY LODGE, 15 PRIORY PARK, BLACKHEATH, LONDON, SE3 9UY
Construction of timber outbuilding in rear garden.
17/2707/L
2017 Approved
FLAT 1 PRIORY LODGE, 15 PRIORY PARK, BLACKHEATH, LONDON, SE3 9UY
Construction of timber outbuilding in rear garden.
17/2463/F
2017 Approved
THE PRIORY, BLACKHEATH, LONDON, SE3 9XA
Fell - Cornus spp T20 Potential damage to garage block. Risk of direct damage by increase…
17/0756/TC
Greenwich
Planning Authority Score
5.4/10
Average
#123 of 296 councils
Relevant to this application:
Householder decisions

Greenwich is faster than most councils at deciding householder applications, ranking #76 out of 296. Only 29% of applications have the time limit extended, well below the 41% national average - the council usually decides on time. Greenwich is also one of the strictest councils - it refuses more householder applications than almost any other, with only 78% approved vs 90% nationally.

One of the strictest councils
only 78% approved vs 90% nationally
These figures are council-wide context, not a prediction for this application. View full council performance
Greenwich decision statistics
Based on MHCLG data, the year to March 2026
77%
Overall approval rate
Below avg (87%) #278 of 296
78%
Householder approved
Below avg (90%) #287 of 296
75%
Decided in 8 weeks
Above avg (63%) #76 of 296
29%
Extended time limit
Below avg (41%) #49 of 296
60%
Minor dwellings approved
114 decided (1-9 homes)
100%
Major dwellings approved
13 decided (10+ homes)
66%
Change of use approved
195 decided
1,468
Total decisions
331 refused in the year to March 2026
Source: MHCLG planning statistics · See full council rankings

Sale prices: Contains HM Land Registry data © Crown copyright and database right 2026. This data is licensed under the Open Government Licence v3.0.

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.