Planning applications in Harrow
The 249 most recently validated applications in the borough — what is proposed, where, and when a decision is due.
Every borough files its planning applications into a single London-wide index, which is where these come from. An application appearing here means it has been validated and is being considered — not that it has been approved, and not that it will be.
Reading the documents, or objecting
Everything below is a summary. The drawings, the officer's report and the objections already submitted all live on Harrow Council's planning portal, which is the only place you can comment. Search it by the reference number shown against each application — the format is 26/1234/HSE — or by postcode if you are checking a particular street.
Harrow 3
Lyon Road, HA1 2BU
Electronic Communications Notification: Installation of 3 no. tripods on new spanning steels, 4 no. 600mm transmission dishes, freestanding safety handrail, 4 no. equipment cabinets, steel grillage for cabinets with access step & self-closing gate and development ancillary thereto
24 August 2026Application Under ConsiderationDecision due 20 September 2026PL/2254/26
HA1 1QR
Redevelopment to provide part 2/part 3 storey building comprising of 9 terraced dwellinghouses (Class C3), parking, landscaping, bin and cycle stores, and all associated works (amended application form, documents and plans)
27 July 2026Application Under ConsiderationDecision due 21 September 2026PL/0945/25
Lyon Road, HA1 2BU
Electronic Communications Notification: Installation of 4no. corner tripod support poles, accommodating 12no. antenna in total; installation of 9no. associated equipment cabinets; Ancillary development relating to the installation of a base station
17 July 2026No Objection to Proposal (OBS only)Decision due 13 August 2026PL/1923/26
Rayners Lane 2
O/S 15A Village Way East, HA2 7LX
Electronic Communications Notification: Installation of 1 no. antenna at 6 metres height; 2 remote radio units and ancillary works
11 August 2026Application Under ConsiderationDecision due 7 September 2026PL/2142/26
O/S 414/416 Rayners Lane, HA5 5DY
Electronic communications notification: installation of 1 no. Omni Antenna at a height of 6 metres and; Ancillary works
11 August 2026Application Under ConsiderationDecision due 7 September 2026PL/2141/26
Elsewhere in the borough 244
CHARTLEY AVENUE, HA7 3RA
Single storey rear extension: 5.62 metres deep, 3.75 metres maximum height and 2.72 metres high to the eaves
3 September 2026Application Under ConsiderationDecision due 15 October 2026PL/2336/26
HA3 5AB
Change Of Use From Office (Class E) To 1 Self-Contained Flat on first floor (Class C3); (Prior Approval Of Transport & Highways Impacts Of The Development, Contamination Risks And Flooding Risks On The Site, and Impacts Of Noise From Commercial Premises On The Intended Occupiers Of The Development and provision of natural light in all habitable rooms)
3 September 2026Application Under ConsiderationDecision due 29 October 2026PL/2322/26
THE RIDGEWAY, HA2 7DD
Single storey front to side extension; Alterations to porch roof (Demolition of side extension)
3 September 2026Application Under ConsiderationDecision due 29 October 2026PL/2300/26
DERWENT AVENUE, HA5 4QH
Front porch, Bay window to ground floor front elevation, Relocation of entrance to front elevation; Single and two storey side extension; Installation of windows in both side elevations; Alterations to roof to raise height and create habitable floor; End gables; Front dormers; Rear dormer with Juliette balconies; Installation of roof lights in front roof slope; Installation of solar panels and roof light to roof; Alterations to roof of rear extension; External alterations
3 September 2026Application Under ConsiderationDecision due 29 October 2026PL/2318/26
VAUGHAN ROAD, HA1 4EF
Certificate of Lawful Existing Development: Change of use form single dwelling (Use Class C3) to House in Multiple Occupation for up to 6 people (Use Class C4)
3 September 2026Application Under ConsiderationDecision due 29 October 2026PL/2312/26
ALICIA GARDENS, HA3 8JB
Certificate of Lawful Proposed Development: Alterations to roof to form end gable and rear dormers; Installation of three roof lights in front roof slope (Demolition of side to rear dormer)
2 September 2026Application Under ConsiderationDecision due 28 October 2026PL/2320/26
DERWENT AVENUE, HA5 4QJ
Single storey rear extension: 4.50 metres deep, 3.00 metres maximum height and 2.80 metres high to the eaves
1 September 2026Application Under ConsiderationDecision due 13 October 2026PL/2315/26
HILLVIEW ROAD, HA5 4PE
Replace garage door with window in front elevation; Single storey rear extension (Demolition of rear extension and canopy to rear)
1 September 2026Application Under ConsiderationDecision due 27 October 2026PL/2283/26
KINGSHILL DRIVE, HA3 8QD
Single storey rear extension: 6.00 metres deep, 3.40 metres maximum height and 3.00 metres high to the eaves
1 September 2026Application Under ConsiderationDecision due 13 October 2026PL/2316/26
WOOD LANE
Listed Building Consent: Conversion of third floor penthouse flat into two, two-bedroom flats; with external alterations including adapting two dormer windows to create roof terrace access doors; rooflights, air vents, automatic opening vents, installation of two air source heat pumps, dry riser cabinet, cold roof vents.
1 September 2026Application Under ConsiderationDecision due 27 October 2026PL/2202/26
VANCOUVER ROAD, HA8 5DG
Alterations to roof to form end gable and rear dormer; Roof lights in front roof slopes and window in gable end; Replacement window in first floor side elevation
28 August 2026Application Under ConsiderationDecision due 23 October 2026PL/2241/26
WELBECK ROAD, HA2 0RG
First floor side to rear extension; External alterations
28 August 2026Application Under ConsiderationDecision due 23 October 2026PL/2304/26
VERNON DRIVE, HA7 2BT
Conversion of garage to habitable room; Replace garage door with window in front elevation; Two storey side to rear extension; Alterations to roof to form end gable and rear dormer; Roof lights in front roof slope; Raised terrace to rear
28 August 2026Application Under ConsiderationDecision due 23 October 2026PL/2245/26
OLD FORGE CLOSE, HA7 3EB
Single storey front infill extension incorporating porch; Front entrance canopy; First floor front extension; Conversion of garage to habitable room; Replace garage door with window in front elevation; Single and two storey side extension; Single storey rear extension; Alterations and extension to roof to raise ridge height and create habitable floor; Roof lights in both side roof slopes; Installation of photvoltaic panels to side roof slopes; Excavation of rear garden and construction of patio; External steps to front and rear; External alterations (Demolition of porch canopy, side canopy and outbuilding at side)
27 August 2026Application Under ConsiderationDecision due 22 October 2026PL/2164/26
KENTON PARK ROAD, HA3 8TY
Single storey rear extension: 5.00 metres deep, 3.69 metres maximum height and 3.00 metres high to the eaves.
27 August 2026Application Under ConsiderationDecision due 8 October 2026PL/2294/26
PRIORY DRIVE, HA7 3HL
Demolition and redevelopment to provide new 2 storey dwelling with habitable roof space; Installation of solar panels to side roof slope; Raised patio to rear; Associated landscaping
27 August 2026Application Under ConsiderationDecision due 22 October 2026PL/2296/26
LOWLANDS ROAD, HA1 3AN
Single storey side to rear extension; external alterations
26 August 2026Application Under ConsiderationDecision due 21 October 2026PL/2273/26
WEST END AVENUE, HA5 1BH
Certificate of Lawful Development (Proposed): Alterations to roof to form side mansard with window; rear dormer with rooflight; rooflight in front roof slope; blocking up of ground floor rear door; relocation and resizing of the ground floor side window; blocking up of first floor side window; blocking up of rear ground floor door (demolition of side dormer and first floor platform)
26 August 2026Application Under ConsiderationDecision due 21 October 2026PL/2287/26
ALBURY DRIVE, HA5 3RF
Single storey front, side to rear extension; Replacement porch roof and window canopy; Raised patio to rear; Single storey outbuilding at rear for use as Gym/Storage (Demolition of detached garage at side and outbuilding at rear)
26 August 2026Application Under ConsiderationDecision due 21 October 2026PL/2212/26
KENMORE AVENUE, HA3 8PJ
Certificate of lawful development (proposed): Single storey outbuilding in rear garden
26 August 2026Application Under ConsiderationDecision due 21 October 2026PL/2194/26
Common questions
How do I object to a planning application in Harrow?
Comments go to Harrow Council's planning portal, not to us. Search the reference number shown against the application, open it, and use the comments tab. An objection carries weight when it argues planning grounds — overlooking, loss of light, parking, highway safety or the character of the area. Objections about a neighbour's conduct carry none.
How long do I have to comment on a planning application?
Normally 21 days from the date the application was validated, which is the first date listed against each application here. Late comments are sometimes still considered if a decision has not been issued, but there is no guarantee.
What do the planning reference suffixes mean?
HSE is a householder extension, FUL a full application, 191 or 192 a certificate that an existing or proposed use is lawful, and CON a discharge of conditions attached to a permission already granted. The number before the suffix is the year and the application sequence.
Does an application appearing here mean it has been approved?
No. An application listed here has been validated and is under consideration. The decision, when it comes, is published on the council portal against the same reference number.
Where this comes from
Source: the London Development Database, published by the Greater London Authority under the Open Government Licence v3.0. This page is generated from that index and refreshes through the day. Where an application names no locality it is listed under the borough rather than guessed at.