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Permitted25/P3624Submitted 8 months agoHeat pump

Northway Merton SM4 4HF

Installation of air source heat pump to rear of 38 Northway, adjacent to wall forming boundary with 36 Northway on ground level. Heat pump to be installed is a Vaillant aroTHERM Plus 5kW, dimensions H:765mm x W:1100mm x D:450mm. Planning permission is being sought, as there is an existing air-con unit already at the property, the existing air-con unit can be used for both cooling and heating.

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Progress

Submitted
22 Dec 2025
— completed
Validated
22 Dec 2025
— completed
Consultation
31 Jan 2026
— completed
Target date
16 Feb 2026
— completed
Decided
19 Feb 2026
— completed

Application details

Reference
25/P3624
Local authority
Merton
Postcode
SM4 4HF
Ward
Cannon Hill
Application type
Householder

Key dates

Submitted
22 Dec 2025
Validated
22 Dec 2025
Comments close
31 Jan 2026
Target decision
16 Feb 2026
Decided
19 Feb 2026

Estimated project value

£10k–£19k

Typical UK cost for this job type, at outer London rates (2026). Estimated from the proposal description — planning applications do not state build cost. Source: Checkatrade / GreenMatch 2026, excluding Boiler Upgrade Scheme grant.

Recently sold nearby

New owners, recently moved in. First work on a house usually follows within months of completing. 5 recent sales are listed below.

Homes here go for about £581,000 — the median of the last 7 market sales in SM4 4HF, £275,000 to £920,000.

Contains HM Land Registry data © Crown copyright and database right 2026. This data is licensed under the Open Government Licence v3.0. Sales are matched by postcode, not by property, so a sale listed here may be a neighbouring address. England and Wales only.

Planning constraints

No designations recorded at this location. This is not a formal search — always confirm with the local authority before relying on it.

Designations from planning.data.gov.uk, Open Government Licence v3.0. Indicative only — not a formal local authority search.

Nearby applications